Home

User`s Manual MC774

1. is active PowerPhase ui pij rz gt L 16 Active PowerPhaseiz 2 r7 en L 17 Active PowerPhaseis 3 T7 oaa en 18 Active Power Total P rz fome L 15 Reactive Power Phase i aj r7 en 20 Reactive PowerPhasetz 02 i7 oaa en m Reactive Power Phase 13 a3 T7 oae en s 22 Reactive Power Total a ere L 23 Apparent Power Phase ti si 16 en 24 apparent PowerPhaseuz 82 oaa en m 25 ApparentPowerPhasel 53 me oae en sn 26 Apparent Power Totals Ti6 27 Power Factor Phase ipi af 28 Power Factor Phase 2 PF2 riz 29 Power Factor Phase s pr n7 30 Power FactorTotal PR n 3L L 31 cae mDP F Phaeipprij nz pete xi EE L 32 CAP IND P F Phase2 rz 1 coe si for 1 IND L 33 CaP IND P F Phase3 pri
2. 1 coe si 300 for 1 IND L 34 caP IND e E Toar er nz _ bata 1 cnp 1 300 for 1 IND L s i enge between vrana nz noo 3e j2 ngebetweenuzsndz 100 x10 37 13 angle between U3 andis 100 3s Power Angle Total atanz Pt qy 200 1007 L 39 jiztglebetweenUranduz uz x10 40 j23 anglebetweenU2andus rz Bata 100 x10 ai itenge between anau 100 x10 E ems mm _ a3 Uunbalace 100 a uri e 1005 200 as iz Tip ata 1005 as is Tap rie 1005 ar uiru ne YJ ata 1005 3190 L as uzrup ata 1005 200 L as usups ris 1005 3190 se uizmpx 00 124 Quality Analayser MC774 Iskra 51 U23THD
3. X 280 or X 27X X Example of settings with linear and bent characteristic Y Y O Xoyc 9 XsVe Xs e Xoy 0 X X Limit of the output range Average interval for analog output Defines the average interval for measurements on the analog output Available settings are from 1 period 0 02 sec by 50 Hz up to 128 periods 2 56 sec by 50 Hz Analogue input module Three types of analogue inputs are suitable for acquisition of low voltage DC signals from different sensors According to application requirements it is possible to order current voltage or resistance temperature analogue input They all use the same output terminals MiQen software allows setting an appropriate calculation factor exponent and required unit for representation of primary measured value temperature pressure flux Signals from Analogue input can also be stored in built in memory of a device They can also be included in alarm function see chapter Alarms DC current range Range setting allows bipolar 20 mA max input value DC voltage range Range setting allows bipolar 10 V max input value Resistance temperature range Range setting allows 20000 or 200 max input value It is also possible to choose temperature sensor PT100 or PT1000 with direct translation into temperature 200 C to 850 C Since only two wire connection is possible it is recommended that wire resistance is also
4. 30488 T17 O PowerAngleatan2 Pt at 30002 J T7 O AngeU1 U2 3015 TI7 O AngeU2 U3 n 30146 T7 AngeU3 U1 30117 T7 AngeUn U1 30487 T177 O Voltage unbalance Uu 1301076 Ti6 Voltage unb zerosequenceUo 30177 TS Tho 3088 T6 THDD 3089 J T6 ToB 30190 J T6 O 3082 4 T6 Thou 3083 T6 3084 T6 Thoun 0 3085 T6 THDU23 3086 amp amp T6 THDUST 30187 T6 Internal Temperature 30181 T2 O 111 Quality Analayser MC774 i amp jlskra Register table for the actual measurements cont MODBUS Parameter Register Start Max Demand Since Last RESET MD Real Power P positive 30542 MD Real Power P negative 30548 3 Dynamic Demand Values MD Real Power P positive 30510 Actual counter is calculated Cnt x 10 exponent MD Current I3 0530 112 Quality Analayser MC774 i amp lskra Register table for the
5. Jode Bac c x3 d 8 04 g Ld 22 amp Retesh Addiess 33 Tr Goto Device 33 IP Address 10120 4 118 Port 10001 Modbus TCP 0 Measurements 7 0 Serial number MC004488 3 Phase measurements Li 12 jfi L3 Total Others Devices Volage 20821 V 22761 V 22673 V u 22750V Cureri 145 73 19717 A 23306 A 575 97 9191 98 Real Power 32 96 Kw 4453 kW 50 59 kW 12820 kW Inc 55 9 oy Reactive Power 4 35 453 1523 2411 kv Settings Apparent Power 33 25 KVA 44 87 kVA 52 83 kVA 130 98 Power Factor 0 9314 Ind 0 3947 Ind 0 9575 Ind 0 9788 Ind Power Angle 282 055 1640 1055 THD Up 188 187 179 es THD4 1219 987 583 X Phase to phase measurements 1 12 12 13 3 1 Total Others Phase to phase vokage amey wav 35v Upp 39408 V a Ange 12018 11331 119 87 Uu 0 00 x 2 THD Ugp 1905 172 181 Analysis o EM Energy countess Counter E1 Exp Courter E2 Exp Counter imp Courter E4 Imp Active tariff Total 1 726 219 60 kwh 294 607 13 kvath 0 22 kWh 50 941 87 kvath 1 172621955Kwh 29460710kvmh 5094184kvah a 2 kvath 0 00 kWh 0 00 kvath 0 00 kWh 0 01 Exemple Online measurements in tabelaric form Measurements online Online measurements are available on d
6. Running MD value T Peak MD value Operation of thermal MD function Fixed window A fixed window is a mode that calculates average value over a fixed time period Time constant can be set from 1 to 255 min Time into period as displayed in MiQen help tip actively shows the remaining time until the end of the period in which current MD and maximal MD from the last reset are calculated When displays for Ot L C St 11 12 and I3 are updated a new period and measurement of new average values are started TIME INTO PERIOD then shows of X min where X is Time Constant A new period also starts after a longer interruption of power supply more than 1 s If time constant is set to one of the values of 2 3 4 5 6 10 12 15 20 30 or 60 minutes TIME INTO PERIOD is set to such value that one of the following intervals will be terminated at a full hour In other cases of time constants TIME INTO PERIOD is set to Figure above shows display of MD measurement for current I1 Running MD is displayed 0 mA max value of MD since last reset is displayed and its time of occurrence Example Mode Fixed window Time constant 8 min Running MD and maximal MD Reset at O min 2 Xm OO m m mm prr i D 3 o gt i E fo hee se ee eS T I T 1 T 1 1 1 T T 1 0 1 2 3 4 5 6 7 8 9 10 11
7. j 32 bitvalu MOD 20000 Total Energy Counter Cost T17 Data 82 bit value 0020000_ Aktiv Tariff fata Internal Temperature 7 Data 10 900 PO 125 Quality Analayser MC774 allskra Object Response Object paserpien Function Function Qualifier Number Number Codes dec Codes hex Codes dec Codes hex 40 e _ 40 2j16bitAnalogoutputstatus 1 000106 129 00 01 Points for object 40 OjAndogouputi Tata 0 l Anmdogoupu2 n 0j ___ 2j Anmdogouput3 n faa 0 P38 Analogoutput4 n faa 0 J Aj SltA Andogoutput TC ata Jof y 5jSletA Amdogouput2 T1 of J 6jSletA Andogouput3 T1 of ___ 7j SletA Andogouput4 T1 0 8 SletB Andogouputi Dea Op 5 9j SletB Anaogouput2 T1 Cd ata 0 5 0 0 10jSletB Anaogouput3 T1 of 5 0 tt SlotB Analogoutput4 m d OP Object Number Number Codes dec Codes hex Codes dec Codes hex ___ 50 Oj rTimeandDate absolutetime Points for object 50 OjTimeandDae T Time Object Number Number Code
8. Voltage negative sequence unbalance u2 Voltage zero sequence unbalance uo Voltage flicker Pst Pit Frequency actual f Frequency 10 s average Nominal frequency range 0 18 kVA IEC61557 12 0 001 to 12 5 Arms In 1Aor5A In 1Aor 5A In 1Aor5A Umeas 10 600 V Ugin 120 230V 18 1000 V 10 600 V iy 10 600 V iy 0 2 Pst 10 Pst 50 60Hz 50 60 Hz 16 400 Hz IEC61557 12 IEC61557 12 IEC61000 4 30 IEC61557 12 IEC61000 4 30 IEC61557 12 IEC61000 4 30 IEC61557 12 IEC61000 4 30 IEC61000 4 15 IEC61000 4 30 IEC61557 12 IEC61000 4 30 IEC61557 12 IEC61000 4 30 0 25 0 0 1 0 2 2 5 2 0 2 Class A Class A Class A Class A Class F1 2 0 1 0 2 0 5 Class A 0 02 Class A 0 02 Class A IEC61557 12 0 02 98 Quality Analayser MC774 Measured values Measuring Range Direct connection Voltage swells Usu Volatge dips Udip Voltage interruptions Uin 100 120 Ujin 5 100 96 Uan 0 5 Ug 10 200 of IEC61000 4 2 Class 3 Up to 4kHz 10 200 of IEC61000 4 2 Class 3 Up to 4kHz 637 Voltage harmonics Uh Un Voltage interharmonics 10 200 of IEC61000 4 2 Class 3 Accuracy class 0 IEC61557 12 IEC61000 4 30 IEC61557 12 IEC61000 4 30 IEC61557 12 IEC61000 4 30 IEC61557 12 IEC61000 4 7 IEC61000 4 30 IEC61557 12 IEC61000 4 7 IEC61000 4 30 IEC61000 4 7 IEC61000
9. e __ Data 1006 100 52 U31THD e Data 1006 1006 MAXDEMANDSINCELASTREET 53 Active Power Total Pt positive T16 Data t fet 54 Active Power Total Pt negative ue Data Pt tpt 55 Reactive Power Total Qt L me ata f pt_ fert S6 ReactivePowerTotallQ C me j Data t 57 Apparent Power Total S me j Data Pt fert fata fein __ SPI fata tin en POP fata in DYNAMICDEMANDVALUES bf 61 Active Power Total Pt positive T16 Data Pt Jet Active Power Total Pt negative T16 f t Reactive Power Total Qt L TG baa f t Reactive Power Total Qt C TG bata t Apparent Power Total S Te baa f t PtP fata n jen HB ST n ENERGY o poo o poo poo oo LLL EnergyCounterl Af ata 32 bit value MOD 20000 Energy Counter Tf ata 32 bit value MOD 20000 Energy Counter3 32 bit value MOD 20000 Energy Counter4 Af ata Td 32 bit value MOD 20000 Energy Counter 1 Cost T17 ata 32 bit value MOD 20000 EnergyCounter2Cost_ Data 32 bit value MOD 20000 Energy Counter 3 Cost T17 32 bitvalue MOD 20000 EnergyCounter4Cost_
10. Connection 3b 1W3 Three phase three wire connection with balanced load 11 Quality Analayser MC774 12 Quality Analayser MC774 6 Connection 2W3 Three phase three wire connection with unbalanced load Connection 4b 1W4 Three phase four wire connection with balanced load Connection 4u 3W4 Three phase four wire connection with unbalanced load PLEASE NOTE Examples of connections are given for device with built in two input output modules and RS232 RS485 communication Connection does not depend on a number of built in modules and communication and is shown on the device s label 13 Quality Analayser MC774 6 Connection of input output modules for 774 Check the module features that are specified on the label before connecting module contacts Wrong connection can cause damage or destruction of module and or device amp PLEASE NOTE Examples of connections are given for device with built in two input output modules and RS232 RS485 communication Connection does not depend on a number of built in modules and communication and is shown on the devices label Connect module contacts as specified on the label Examples of labels are given below and describe modules built in the device Information on electrical properties of modules is given in a chapter 1 0 modules I O module 1 and 2 terminal numbers 15 20 output o
11. CTPrimay T4 2 4016 vTsecondary fta mv e 40148 Current ape 10000 for 100 200 00 range 96 40149 10000 100 100 00 iid ipic RI OR gt SOM nominal value 118 Quality Analayser MC774 i amp lskra Data types decoding Unsigned Value 16 bit Signed Value 16 bit bits 15 bits 13 bits 31 bits 23 bits 31 bits 23 bits 31 bits 23 bits 15 bits 31 bits 23 bits 15 bits 07 Signed Long Value 32 bit Example 123456789 075B CD 15 16 Short Unsigned float 16 bit Decade Exponent Unsigned 2 bit Binary Unsigned Value 14 bit Example 10000 102 A710 16 Unsigned Measurement 32 bit Decade Exponent Signed 8 bit Binary Unsigned Value 24 bit Example 123456 10 3 FDO1 E240 16 Signed Measurement 32 bit Decade Exponent Signed 8 bit Binary Signed value 24 bit Example 123456 10 3 FDFE 10 0 16 Power Factor 32 bit Sign Import Export 00 FF Sign Inductive Capacitive 00 FF Unsigned Value 16 bit 4 decimal places Example 0 9876 CAP OOFF 2694 16 Time 32 bit 1 100s 00 99 BCD Seconds 00 59 BCD Minutes 00 59 BCD Hours OO 24 BCD Example 15 42 03 75 7503 4215 16 119 Quality Analayser MC774 i amp lskra Data types decoding cont T T T Date 32 bit bits 31 24 Day of month 01
12. In case when only one resistance temperature analogue input is used the other must be short circuited Auxiliary I O module A and B output options 8 x Relay output 230 V DC AC 100 mA S 2 35 3 50 4 79 5 75 6 75 7 7 8 tl HIN HIN HIN ce cl T pc 40 _ 43 44 45 46 47 48 Auxiliary I O module A and B input options I O A 8 x Digital input 230 V DC AC 20 C 1 2 3 4 5 6 7 8 130 31 32 33 34 35 36 37 38 Digital output relay module with eight digital outputs enables alarm functionality Digital input module with eight digital inputs enables reception of digital signals 15 Quality Analayser MC774 i amp jlskra Synchronisation module C Synchronisation module is equipped with support for two different synchronisation methods IRIG B and GPS modem When modulated IRIG B signal is used it should be connected to BNC terminal When level shift IRIG B signal is used it should be connected to 1PPS terminal In case of GPS modem 1pps signal should be connected to 1PPS terminal and serial RS232 signal should be connected to RS232 terminals When IRIG B modulated or level shift or 1PPS signal is used for time synchronisation serial communication interface RS232 or RS485 can be used as a devices secondary communication port COM2 PLEASE NOTE Communication port on Module C is primarily dedicated to receiv
13. Goto Device 33 COM3 Modbus Setting 115200 None 8 2 kay Settings MC774 Serial number M4000018 Read at 10 09 34 _ a wc Setting Value Devices GB General Output parameter Total Active Power P K Connection ane cmd LES Communication usu sone c a D E1 Push Data Clients aas c n Col TCP Link 1 m a PLI Settings zo TCP Link 2 USB Display 1 amp Security TN Energy eg Y PTITITA Measurements Counter 1 s el NL i Counter 2 gt p i 2 Counter 3 e 2 G ed Counter 4 e 2 Analysis Eg Tariff Clock ortis Holidays Inputs amp Outputs d r gt 23 1 amp nalogue output hull e 2 amp nalogue output 3 5 352552438 Uparades 3 Analogue output Mimi 4 amp nalogue output 4 Analogue output E B 4 Analogue output W C Synchronisation COM2 a g Alarms Alarm Group 1 Alarm Group 2 Alarm Group 3 Alarm Group 4 3 Memory Recorder 4 4 0 Password 2 26 Quality Analayser 774 i amp lskra MiQen programming and monitoring software MiQen version 2 0 or higher is required for programming and monitoring MC774Quality Analyser Software installation is stored on a CD as a part of consignment or it can be downloaded from www iskrasistemi si amp PLEASE NOTE MiQen has very intuitive help system
14. Nominal frequency range can be selected from a set of predefined values A valid frequency measurement is within the range of nominal frequency 32 Hz This setting is used for alarms and recorders only Max demand current for TDD A Select maximum current CT or fuse rating at a point of instrument connection for proper TDD calculation TDD is unlike THD a measure of harmonics relative to fixed value of max demand current Therefore TDD is a demand independent measure of current harmonics 38 Quality Analayser MC774 i amp jlskra Wrong connection warning If all phase currents active powers do not have same sign some are positive and some negative and or if phase voltages and phase currents are mixed the warning will be activated if this setting is set to YES This warning is seen only on remote display Energy flow direction This setting allows manual change of energy flow direction IMPORT to EXPORT or vice versa in readings tab It has no influence on readings sent to communication or to memory CT connection If this setting is set to REVERSED it has the same influence as if CT s would be reversely connected All power readings will also change its sign This setting is useful to correct wrong CT connections LCD navigation MC774 Main menu Settings Measurements General Settings Date amp Time Resets SD card Communication Info LCD Installation Security 14 11 2012 16 53 36 Energy Inputs Outpu
15. Al C Synchrorssation Detais Pushing pernod Each recocd ge aime A D Alam Group 1 Details Pushing time delay No delay nalysis Alam Group 2 Group 3 sil A Alarm Group 4 1 Memory Upgrades GB Recorder 82 Recorder B T Recordes C Recodes D Ly Power supply qualty s Frequency variations ER Voltage variations Voltage changes Voltage events i Monitoring Mode gly Harmonics amp THD Defines the standard foe power supply quality analysis Intethaimorics a Reset General settings General PQ settings are basic parameters that influence other settings Monitoring mode Monitoring mode can be set to EN50160 Monitoring according to EN 50160 enabled Weekly reports are issued according to set parameters No monitoring Weekly reports for network compliance with the standard are disabled Electro energetic system Requirements for PQ monitoring differ regarding type of a monitored public distribution system Therefore it is essential o choose proper type This setting influences some of the predefined limit lines according to relevant standard EN 50160 Measuring instrument can monitor PQ within following systems e Low Voltage grid connected system e Medium Voltage grid connected system e Low Voltage islanded system e Medium Voltage isladed system PLEASE NOTE Choosing one of listed distribution systems automatically sets PQ characteristics according to requir
16. All functions and settings are described in Info window on the bottom of MiQen window Devices management wp 1 LEA het a aH LE E IL eg Emanaa mrovr Jaume amt Lasma rong kh 5 call i MiQen Device Management window With MiQen it is very easy to manage devices If dealing with the same device that has been accessed before it can be easily selected from a favourite s line IN MN EEUU 2 Desipe 933 CONG TISZO0 Nene E 2 Dmaca 8 3 COME Samir 115328 oad Deke 33 COMME Medias Sette 115200 None E 2 Camrrnipnieation port Searching Part CONT This way is Communication port set automatically as it was during last access To communicate with new device following steps should be fallowed Connect a device to a communication interface Depending on type of communication interface connect a device Directly to a PC using RS232 cable To comm adapter RS485 RS232 suggested adapter is ISKRA MI485 Directly to a PC using USB cable Network connection using Ethernet cable Set Communication port parameters Under Communication port current communication parameters are displayed To change those parameters click on WD oco button A Communication port window opens with different communication interfaces Donwmurecstion port Modus Eharm UGE 1A LPA Corermurecaticr pari rova Bis per gecond
17. It is especially used for identification of the device on which measurements are performed Average interval The averaging interval defines a refresh rate of measurements on display communication It is used also as averaging interval for minimum and maximum values stored in recorder and actual alarm value calculation for alarm triggering Interval can be set from 8 periods to 256 periods Default value is 64 periods e Shorter average interval means better resolution in minimum and maximum value in to recorded period detection and faster alarm response Also data presented in display will refresh faster e Longer average interval means lower minimum and maximum value in recorded period detection and slower alarm response alarm response can be delayed also with Compare time delay setting See chapter Alarms Also data on display will refresh slower 31 Quality Analayser MC774 6 Average interval for measurements The averaging interval defines a refresh rate of measurements on display communication and analogue outputs It also defines response time for alarms set to Normal response see chapter Alarms Shorter average interval means better resolution in minimum and maximum value in to recorded period detection and faster alarm response Also data presented in display will refresh faster Longer average interval means lower minimum and maximum value in recorded period detection and slower alarm response alarm respons
18. n index of sample in period T phase desgnatan Total active power t total power 1 2 3 phase designation Reoctive power sign Q reactive power by phases power angle Apparent power by phases U phase voltage kh phase current Toto apparent power S apparent power by phases Reactive power by phases 5 apparent power by phases F active power by phases Reactive power by phases displacement method anumber of samples in a period n sample number 0 N f phase desenaton Toto renctive power O reactive power by phases Toto power angle P total active power O total reactive power Distortion factor P total active power 5 total apparent power Distortion factor P phase active power 5 phase apparent power THD TDD I THD F 100 1 zi EL I IDD a 100 U ITHO Y 12 TED Er Uu U THO 175 100 Us 1 Current factors CFI 100 Y xar K aaa J 2 Flickers Pes B P F ys B B H E B P 5 B 2 R P 3 B B R B 3 0 28F 0 088 3 105 7 zu EI Bx i l Energy Price in tanff Price 107 one 0314P 00525B 0 0657 i amp lskra k value of first harmonic n number of harmonic current TOD value of max load current fixed user defined value n number of harmonic Phase THD value of first ha
19. serial number MCIT45 38 Sofware version 0 67 When devices are connected to a network and a certain device is required it is possible to browse a network for devices For this purpose choose Scan the network when device is connected to a RS485 bus Browse ethernet devices when device is connected to the Ethernet Searching Ar Scan the network Browse ethernet devices Device settings Programming devices can be performed ONLINE when device is connected to aux power supply and is communicating with MiQen When device is not connected it is possible to adjust settings OFFLINE ONLINE programming After communication with a device is established choose icon Settings from a list of MiQen functions on a left side MiQen Device Setting window oo A fie Tose nry ges3 Oy am i D 7 4 41 fum What do yov want t do Fa Ro inp Choose Read settings button to display all devices settings and begin adjusting them according to project requirement PLEASE NOTE 28 Quality Analayser MC774 6 When finished programming changes should be confirmed by pressing Download settings button MiQen menu bar 1 or with mouse right click menu PLEASE NOTE When finished programming all settings can be saved in a setting file msf file This way it is possible to archive settings in combination with a date It is also possible to u
20. 115200 Party Fora Dots bis ire bis F Cmca Choose correct communication interface Modbus Ethernet or USB and set correct communication parameters PLEASE NOTE When device is connected to a PC through USB communication for the first time a user is prompted to install a driver The driver is provided on the CD enclosed in the original shipment package or it can be downloaded from the Iskra Sistemi d d 27 Quality Analayser MC774 i amp jlskra web page www iskrasistemi si With this driver installed USB is redirected to a serial port which should be selected when using MiQen setting software For more information regarding parameters for serial USB and Ethernet communication see chapters Serial Communication USB communication and Ethernet communication Set device Modbus address number Each device connected to a network has its unique Modbus address number In order co communicate with that device an appropriate address number should be set MiQen 2 1 Setting Studio File Toot View ETA Ej Refresh Address 33 Factory default Modbus address for all devices is 33 Therefore it is required to change Modbus address number of devices if they are connected in the network so each device will have its unique address number Start communicating with a device Click on REFRESH button and devices information will be displayed Selected device Address 33 MC 74
21. 12 13 14 15 16 17 18 19 20 Time min Input value Running MD value Peak MD value Operation of Fixed window MD function 34 Quality Analayser MC774 i amp jlskra A mode of sliding windows enables multiple calculations of average in a period and thus more frequent refreshing of measuring results Average value over a complete period is displayed A running MD is updated every sub period for average of previous sub periods A number of sub periods can be set from 2 to 15 A time constant can be set from 1 to 255 minutes A new period also starts after a longer interruption of power supply more than 1 s If time constant is set to one of the values of 2 3 4 5 6 10 12 15 20 30 or 60 minutes TIME INTO PERIOD is set to such value that one of the following intervals will be terminated at a full hour In other cases of time constants TIME INTO PERIOD is set to O Example Mode Sliding windows Time constant 2 min No of sub periods 4 Running MD and maximal MD Reset at O min A complete period lasts for 8 minutes and consists of 4 sub periods that are 2 minutes long A running MD and a maximal MD are reset at 0 min Time into period is data for a sub period so that the values for a running MD and a maximal MD are refreshed every two minutes After 4 sub periods 1 complete period the oldest sub period is eliminated when a new one is added so that average a window always covers the last
22. 20 max 1000 mA lt 100 mQ 100 mA 24V 0 20 mA 0 5 of range 1500 Linear Quadratic 5 12096 of nominal output depends on set general average interval 0 1s 5s 1 96 p p GPS or IRIG B TTL TTL level 45V 100 mA 103 Quality Analayser MC774 Iskra Time code telegram RS232 GPS DC level shif IRIG B AM analog input IRIG B AM modulated Carrier frequency 1 kHz Input impedance 600 Ohms Amplitude 2 5VP Pmin 8VP Pmax Modulation ration 3 1 6 1 104 Quality Analayser MC774 i amp lskra 2 DC current Nominal input range 1 20 0 20 mA 20 input input resistance 200 accuracy 0 5 of range temperature drift 0 0196 conversion resolution 16 bit sigma delta internally referenced Analogue input mode Single ended DC voltage Nominal input range1 10 0 10 V 20 input input resistance 100 kO accuracy 0 5 of range temperature drift 0 0196 conversion resolution 16 bit sigma delta internally referenced Analogue input mode Single ended Resistance Nominal input range low 0 200 max 400 PT100 200 C 850 C Input module Nominal input range high 0 2 max 4 PT1000 200 C 850 C connection 2 wire accuracy 0 5 of range conversion resolution 16 bit sigma delta internally referenced Analogue input mode Single ended Low or high input range and primary input value resistance or temperature are
23. 31 BCD 10 bits 4 23 16 Month of year 01 12 BCD bits 15 00 Year unsigned integer 1998 4095 Example 10 SEP 2000 1009 07D0 16 ms 00 Bempes sssm Example 123 45 3039 16 Example 123 45 CFC7 16 IEEE 754 Floating Point Single Precision Value 32bit bits 31 Sign Bit 1 bit T float bits 4 31 Exponent Field 8 bit bits 31 Significand 23 bit Example 123 45 stored as 123 45000 42F6 E666 16 Text 6 characters 2 characters for 16 bit register T Str16 Text 16 characters 2 characters for 16 bit register T Str40 Text 40 characters 2 characters for 16 bit register T Str8 EE Text 8 characters 2 characters for 16 bit register 120 Quality Analayser MC774 i amp jlskra APPENDIX B DNP3 communication protocol Communication protocols Modbus and DNP3 protocol are enabled via RS232 and RS485 or Ethernet communication Both communication protocols are supported on all communication ports of the device The response is the same type as the request DNP3 DNP3 protocol enables operation of a device on DNP3 networks For device with serial communication the DNP3 protocol enables point to point for example device to PC communication via RS232 communication and multi drop communication via RS485 Device automatically responses to MODBUS or DNP3 request amp PLEASE NOTE For the latest and complete DNP3 table please visit Iskra Sistemi web page DNP 3 0 Issu
24. 7 are used for passing between displays as show in example below Example for 4u connection mode 629 Main menu gt Measurements gt Present values gt Voltage 0 37 1 0 5102 1 0 9101 tT 0 1 0 vat 0 11 4 0 1o ward Present values PLEASE NOTE Since measurement support depends on connection mode some display groups can be combined in to one within Measurements menu PLEASE NOTE Display of present values depends on connection mode Therefore display organisation slightly differs from one connection mode to another All measuring instruments may not support all the measurements Overview of supportive instruments you can see Selection of available measurement quantities Voltage The device measurements e effective rms value of all phase voltages U1 U2 U3 phase to phase voltages U12 U23 U31 and neutral to earth voltage Un e Average phase voltage U and average phase to phase voltage U e Negative and zero sequence unbalance ratio Uu Uo e Phase and phase to phase voltage angles 1 3 12 13 23 e Signalling phase and phase to phase voltages Us1 3 Us12 Us13 Us23 e DCcomponent of phase and phase to phase voltages including neutral line All voltage measurements are available on communication and standard or customized displays on LCD aN Device warns if input signal is too large In this case signal representation is not correc
25. Defines if data is storing to selected memory partition Quality details state Defines if data is storing to selected memory partition 64 Quality Analayser MC774 i amp lskra Recorder C D mode Defines function mode for the recorder Trend recorder A B Separately for each of the recorders settings can be set Trend recorder A B C D General purpose recorder consists from 4 partitions A B C and D General purpose recorder does not include alarm recorder or PQ reports and details recorder Separately for each of four partitions following settings can be set Recorded quantites For each of measurement which is to be recorded it is possible to set a required quantity and its type within storage interval min max avg 7 2 MiQen 2 1 Setting Studio File Tools View Help Bac d 65D FB Refresh Address 33 Communication error W Goto CM Settings C Program Files 386 MiQen 2 1 Param MC774 g 9 x Display Setting alue Devices amp Securty Storage rterval min 10 MD Time constant 1 8 min 15 Fx MD Time constant 9 16 min 15 Counter 2 e Counter 3 Push data to link No pushing Settings Counter 4 Pushing period Each record Ta Tartt Clock Pushing time delay No delay Holidays Voltage U1 Average JA Inputs amp Outputs 3 1 Relay output 3 Recorded parameter Measurements WF 2 Relay output 4 Recorded parameter ee
26. MODBUS port Device allows multiple connections to this port User defined port Any port number is allowed except reserved ports Table 7 Only a single connection is allowed to this port When this port is used all other connections including connection to port 502 are disabled This is a terminal type of connection Terminal type of connection is used when due to a performed function other connections are not allowed This is the case when firmware update is performed In other cases it is advised to use port 502 When port 502 is used a remote application s can access device regardless the setting for Local Port in a device This setting is applicable only when terminal access is required Reserved TCP Port numbers Important port numbers Function 41 Quality Analayser MC774 i amp lskra 1 1024 9999 30718 33333 Reserved numbers 502 Standard MODBUS port fixed 33333 UDP port used for Device Discovery Service PORT 502 MC774 Quality Analyser Multiple connections to a device are possible when port 502 special MODBUS port is used Port 502 Is standardized port to communicate with the device via MODBUS TCP communication protocol and is fixed Communication via this port allows multiple connections to the device Communication over this port does not block any other traffic Port 33333 This UDP port is reserved for Discovery Service a service run by MiQen software to discover devices connected in to
27. Reports and Report Details When PUSH communication mode is active reports about quality and report details for each parameter can be sent pushed to a predefined location inside local or wide area network Settings allow choosing an appropriate destination for data to be sent time interval of sent data and a delay time for sending data if they cannot be sent immediately due to restrictions in network For more information about PUSH Communication mode EN 50160 parameters settings Power Quality indices as defined by EN 50160 Phenomena PQ Parameters Frequency variations Frequency distortion Voltage variations Voltage fluctuation 69 Quality Analayser MC774 i amp lskra Voltage unbalance Voltage changes Rapid voltage changes Flicker Voltage events Voltage dips Voltage interruptions Voltage swells Harmonics amp THD THD Harmonics Inter harmonics Signalling voltage Standard EN 50160 describes in details parameters and corresponding limit lines for monitoring whereas distribution system voltage operates in accordance with mentioned standard Settings of limit lines and required percentage of appropriate indices resembles requirements of standard EN 50160 When monitoring according to this standard is required there is no need to make changes to PQ parameters settings More detailed description of certain parameter monitoring procedures is in a chapter Measurments There are some parameters which are i
28. a MD thermal function and a condition for alarm switch on are defined for every individual alarm MC350 TH also supports storing of alarms in internal memory New values of alarms are calculated in percentage at modification of connection settings Alarm statistics reset Device evident all triggered alarms and stores it in internal RAM Statistic is valid since last power supply On and could be reset with MiQen help tip software See chapter Reset operations This setting is only for resetting online alarms statistics displayed in MiQen help tip software 61 Quality Analayser MC774 6 7 Wien 2 cs o File Tools View md c c i Refresh Address 33 Measurements MC774 Simulation tU1 2000V 9 11 gt 1 200 25 26 27 28 2 30 31 o 32 Measurements Analysis 123456758 9 1011 12 1314 15 16 17 18 19 20 21 22 23 24 25 26 27 28 293031 32 Alerts stetsiics since 4 1 2013 2224 Alarm No A HH Table view f Graphic view Recorder Upgrades Alarms statistics for showing graphical representation of frequency of alarms occurrence MD Time constant min Sets a thermal mode maximum demands time constant for the alarm group When monitoring certain quantity it is possible to monitor its actual value or its max demand value If latter is chosen then a time constant for calculation of thermal mode max demand value should be set Th
29. adjusted to meet all required purposes e Shape of output signal linear Quadratic e Number of break points for zoom function up to 6 e Start and End output value For better visualisation of set output signal parameters graphical presentation of transfer function is displayed Analogue output Each of up to four analog outputs is fully programmable and can be set to any of 6 full scale ranges Within each of those 6 ranges other required output ranges can be set For example 4 20 mA range can be set when 20 mA full scale range is selected Settings 1 Analogue output E Output signal 2 Actual value Linear Parameter Current 11 Output range 20 m 20 m amp Signal Form Linear Quadratic mA 20 000 5 0000 Remove Predefined profiles Output parameter Set the measured parameter to be transformed onto the analog output Output range Defines analog output full scale ranges DC current output DC voltage output 1 0 1 mA 1 0 1V b 0 5 mA 10 0 10 mA 10 0 10V 20 0 20 Output range 55 Quality Analayser MC774 6 Defines the shape and up to 5 break points of an analog output For intrinsic error for analog outputs with bent or linear zoom characteristic multiply accuracy class with correction factor c Correction factor c the highest value applies f X x x b number of break points 1 to C c l 5
30. alarm output module AO Analogue output module DI Digital input module PI Pulse input module Al Analogue input module 4 Quality Analayser MC774 is Ilskra WO Status watchdog module for supervision of proper operation List of common abbreviations and expressions 5 Quality Analayser MC774 6 Purpose and use of the device MC774 Quality Analyser performs measurements in compliance with regulatory requested standard EN 61000 4 30 and evaluates recorded parameters for analysis according to parameters defined in European supply quality standard EN 50160 2011 Moreover device stores measurements and quality reports in internal memory for further analysis over recorded measurements From multiple devices installed on different locations user can gain the overall picture of system behaviour This can be achieved with regard to its accurate internal real time clock and wide range of synchronization sources support which assure accurate time stamped measurements from dislocated units All required measurements weekly PQ reports and alarms can also be stored locally in an internal memory Stored data can be then transferred to a memory card or accessed through communication for post analysis The internal memory capacity enables storing of more than 170 000 variations of the measurements from the standard values which enables finding eventual reasons for the problems in network Limits and required quality in a mon
31. amp Iskra User s Manual Quality Analyser MC774 6 SECURITY ADVICE AND WARNINGS Please read this chapter carefully and examine the equipment carefully for potential damages which might arise during transport and to become familiar with it before continue to install energize and work with a measuring instrument This chapter deals with important information and warnings that should be considered for safe installation and handling with a device in order to assure its correct use and continuous operation Everyone using the product should become familiar with the contents of chapter Security Advices and Warnings If equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired amp PLEASE NOTE By qualified personnel only ISKRA Company assumes no responsibility in connection with installation This booklet contains instructions for installation and use of measuring instrument Installation and use of a device also includes handling with dangerous currents and voltages therefore should be installed operated serviced and maintained and use of the product If there is any doubt regarding installation and use of the system in which the device is used for measuring or supervision please contact a person who is responsible for installation of such system Installation and use of devices also includes work with dangerous currents and voltages therefore
32. and saved under the correct name Automenu txt and without content Example DATA L SETTING L UPGRADE L Automenu txt MC003973 Ly MC003974 Ly 09424 Ly MC003973 MSF MC774 1 MSF MC774 2 MSF MC750 1 MSF MC760 FL2 06050301 MMC 06050301 MMC 06070301 MMC 06060301 MMC 06070301 MMC 74 Quality Analayser MC774 i amp jlskra Handling memory card Quality Analyser is on the front panel equipped with a slot for a Memory card Slot is protected with a protection cover that can be simply removed before inserting the card The protection cover shall be fixed back after work is done While memory card activity LED is blinking it should not be pulled out of the slot Save data Sections For each section define whether it is included for a record in a file Date Since the last transfer all available data from the last official reading with a password is included For the Last week and the Last month all data of the last complete unit a week a month with the beginning in the first day at 00 00 is included The selected date defines a day with the beginning at 00 00 from which further on to the current time of data transfer When all data is selected all data for an individual section that are stored in the memory up to the moment when reading is started are transferred Official reading If official reading is selected date of reading is stored in device and is applied at the next off
33. aux Power supply and I O modules Short installation manual This document and settings software MiQen can also be found on our web page http www iskra eu CAUTION Please examine the equipment carefully for potential damages which might arise during transport Description of the Quality Analyser MC774 Quality Analyser is a comprehensive device intended for permanent monitoring of power quality from its production especially renewable transmission distribution to final consumers who are most affected by insufficient quality of voltage It is mostly applicable in medium and low voltage markets Lack of information about supplied quality of voltage can lead to unexplained production problems and malfunction or even damage to equipment used in production process Therefore this device can be used for utility purposes evaluation against standards as well as for industial purposes e g for monitoring supplied power quality Appearance 1 Graphical LCD 2 Navigation keyboard 3 Aslot with a cover for memory card 4 General operation LED indicators card com alarm 5 1 0 status LED indicators Graphical LCD A graphical LCD with back light is used for high resolution of displayed measuring quantities and for a display of selected functions when setting the device Navigation keyboard The OK key is used for confirming the settings selecting and exiting the display Direction keys are used for shifting betwe
34. communication stop bits Default value is 2 This setting is available only when RS232 RS485 communication is built in IP Address Set correct IP address of the device Default setting is 0 0 0 0 and represents DHCP addressing This setting is available only when Ethernet communication is built in TCP Port Set TCP communication Port Default value is 10001 This setting is available only when Ethernet communication is built in Subnet mask Set network subnet mask Default value is 255 255 255 0 This setting is available only when Ethernet communication is built in 23 Quality Analayser MC774 6 LCD Navigation Notification icons HC774 Quality Analyzer Com 4 5 A 04 89 2812 s 3d 14h 197 Main menu emory She Low supply Main menu 419188976 4154 64688 c 2nd 195 1 P6256 32H ariff input Selected 1 Navigation keys and LCD enable application and basic instrument settings During the operation some icons can be displayed in upper part of LCD The significance of icons from right to left is explained in the table below Meaning The first level L1 can be unlocked Device can be wrongly connected at 4u connection Energy flow direction is different by phases A built in battery for RTC shall be replaced The device supply is too low 24 Quality Analayser MC774 Device is locked with a password of the second level L2 A battery
35. each alarm is shown e Group association e Group Alarm conditions e Momentary alarm state e Number of alarm events since last reset 90 Quality Analayser MC774 i amp lskra Demonstration measurements Demo cycling Regarding the period that is defined in settings measurement screen cycling is started until any key is pressed Main menu Measurements Demo cycling OK Harmonic analysis MC774 Measurements Measurements Present values Settings Min Max values Resets Alarms SD card Info Graphs FFT Installation Power supply quality 14 11 2012 16 53 36 Demo cycling lt Main menu Harmonic analysis is an important part of monitoring Frequency converters inverters electronic motor drives LED halogen and other modern lamps All this cause harmonic distortion of supply voltage and can influence other sensitive equipment to malfunction or even damage In particular vulnerable are distribution level compensation devices whose capacitor banks act like a drain for higher harmonics and amplify their influence Higher harmonic currents flowing through capacitors can cause overheating and by that shortening their lifetime or even explosions Monitoring harmonic distortion is therefore important not only to prevent malfunction of household equipment and to prolong operation of motors but also to prevent serious damage to distribution equipment and to people working close to compensation devices Due to impo
36. is required Available settings e All settings are available A Backup Password gt BP A backup password gt BP is used if passwords at levels 1 gt PL1 and 2 gt PL2 have been forgotten and it is different for each device depending on a serial number of the device The BP password is available in the user support department in ISKRA SISTEMI d d and is entered instead of the password PL1 or and PL2 Do not forget to state the device serial number when contacting the personnel in ISKRA SISTEMI d d 48 Quality Analayser MC774 i amp jlskra Password locks time min Defines the time in minutes for the instrument to activate password protection Enter value O if you want to use manual password activation Password setting A password consists of four letters taken from the British alphabet from A to Z When setting a password only the letter being set is visible while others are hidden A password of the first gt PL1 and the second PL2 level is entered and time of automatic activation is set Password modification A password is optionally modified however only that password can be modified to which the access is unlocked at the moment Password disabling A password is disabled by setting the AAAA password amp PLEASE NOTE A factory set password is AAAA at both access levels gt L1 and L2 This password does not limit access Password and language Language change is possible without password inp
37. j output fotage U 5 Recorded parameter 4 Pulse output vL ks 5 Recorded parameter Average TM WP 1 8x Digtal input I Mec parameter Analysis JW E 8x Relay output poenae Memory recording YW IC Synchronisation COM2 Alarms 9 Recorded parameter y Alam Group 1 10 Recorded parameter we Group 2 11 Recorded parameter Upgrades Alam Group 3 12 Recorded parameter d Alarm Group 4 13 Recorded parameter 3 Memory Fio di ananas aha fm Recorder A 7 t rio du a cl Stored parameter settings Storage interval min Which type of parameter should be stored each interval avg min max actual is defined in settings for each individual parameter described later in this chapter Value A type of a selected quantity within set monitoring interval can be set to different conditions Minimum and Maximum value represents minimum or maximum of recorded averaged values within selected storage interval Note that min max value is not a single period value but an average 0 1 s to 5 s see chapter General settings Average interval Minimum MD and Maximum MD value represents calculation of a MD value with applied thermal function Thermal function time constant is described above MD Time constant It applies only to recorders A and B Average value represents calculated average value within selected storage interval Actual value represe
38. module with 2 tariff inputs only With the combination of 2 tariff inputs maximal 4 tariffs can be selected Active tariff selection table Active tariff Signal presence on tariff input Input T1 Input T2 Tariff 1 0 0 Tariff 2 1 0 Tariff 3 0 1 Tariff 4 1 1 57 Quality Analayser MC774 6 Bistable alarm output module A Bistable alarm module is a relay type The only difference between relay alarm output and bistable relay alarm output is that it keeps the condition at output in case of device power failure Alarm Output If Digital output is defined as an Alarm output its activity trigger is connected to Alarm groups Multiple alarm groups can be attached to it and different signal shapes can be defined For more information on how to define alarm groups see chapter Alarms Main menu gt Settings gt Inputs Outputs gt 1 0 1 2 3 4 gt Settings of alarm output Two parameters should be defined for each alarm output The source for assigned alarm alarm group 1 2 or both Type of output signal when alarm is detected Output signal types Normal relay is closed as long as condition for the alarm is fulfilled Normal inverse A relay is open as long as condition for the alarm is fulfilled After that relay goes to closed state Latched A relay is closed when condition for the alarm is fulfilled and remains closed until it is manually reset Latched inverse A relay is op
39. o 1163 Harmonic Abs 131895 J T6 O 11 63 Harmonic Phase Angle 318956 J T7 12 Harmonic Data 121 Harmonic Abs 3189 PT 121 Harmonic Phase Angle 31900 dT 12 Harmonicsfrom2to62 o y 2023 2024 I3 Harmonic Data 2025 32026 2027 2028 32151 32152 116 Quality Analayser MC774 i amp lskra Register table for the actual measurements cont MODBUS Parameter Register le ii Phase voltage interharmonic data U1 Interharmonic Data 1 Interharmonic Abs 0132155 J TS 2 InterharmonicAbs 6 1321056 Jne U2 Interharmonic Data Base for calculation 1 Interharmonic Abs 32173 Ti6 2 InterharmonicAbs 82174 T6 U3 Interharmonic Data Base for calculation 1 Interharmonic Abs 321301 TS 2 InterharmonicAbs 132192 J T6 All other MODBUS regiters are a subject to change For the latest MODBUS register defenitions go to ISKRA web page www iskra eu 117 Quality Analayser MC774 i amp lskra Register table for the basic settings Pass Connection 40143 1 No mode 1 2 1 lib 1b Single Phase Phase 3b 3 phase 3 wire balanced 3 4b 3 phase 4 wire balanced 3u 3 phase 3 wire 4 unbalanced 4u 3 phase 4 wire 5 unbalanced 40144 cTSecondary 40145
40. output All alarms are reset 72 Quality Analayser MC774 Iskra LCD navigation Reset energy counter LCD navigation 09 Main menu gt Resets gt Energy counters gt Energy counter E1 E2 E3 E4 Reset energy counter Cost LCD navigation Lu 2 9 Main menu gt Resets gt Energy counters All Cost counters Cost counter E1 E2 E3 E4 Reset MD values LCD navigation e 620 Main menu gt Resets gt MD values Yes No Reset last period LCD navigation 620 Main menu gt Resets gt Last period MD gt Yes No Synchronize MD LCD navigation 92 9 Main menu gt Resets gt Synchronize MD Reset Min Max values LCD navigation lt Main menu gt Resets gt Min Max values gt Yes No Settings and memory card Measuring centre is provided with a built in slot for a full size SD memory card that is used for measurements transfer from internal memory device setting and software upgrading The memory card shall be formatted with the FAT16 file system Directory structure on a memory card A structure of directories is defined and enables correct data handling via a memory card The memory card shall contain the following directories and files e DATA e SETTING e UPGRADE e File Automenu txt option DATA Records from the internal memory are collected in the DATA directory To upload data of several devices to the memory card each device checks and if necessary creates
41. protocol MODBUS DNP3 Industrial protocol for data transmission Memory card Multimedia memory card Type MMC and SD supported MiQen Setting Software for Iskra SISTEMI instruments PA total Power Angle calculated from total active and apparent power Angle between fundamental phase voltage and phase current PF Power factor calculated from apparent and active power affected by pur harmonics THD U I Total harmonic distortion MD Max Demand Measurement of average values in time interval FFT graphs Graphical display of presence of harmonics Sine voltage with frequency equal to integer multiple of basic Harmonic voltage harmonic 8 q Id amp frequency InterHarmonic voltage Sine voltage with frequency NOT equal to integer multiple of basic interharmonic frequency Voltage fluctuation causes changes of luminous intensity of lamps Flicker which causes the so called flicker RTC Real Time Clock Defines a number of periods for measuring calculation on the basis of Sample factor measured frequency M Average interval Defines frequency of refreshing displayed measurements Percentage specifies increase or decrease of a measurement from a Hysteresis 96 M aH TE y 6 certain limit after exceeding it IRIG B Serial Inter range instrumentation group time code GPS Satellite navigation and time synchronisation system PO Pulse output module TI Tariff input module RO Relay output module BO Bistable
42. resetting stored Min Max values It can be set to Manual User resets min max values with keypad or setting software see chapter Reset Automatic e Daily every day at 00 00 e Weekly on Monday at 00 00 e Monthly the first day in a month at 00 00 e Yearly the first day in a year 1 1 at 00 00 Starting current for PF and PA mA All measuring inputs are influenced by noise of various frequencies It is more or less constant and its influence to the accuracy is increased by decreasing measuring signals It is present also when measuring signals are not present or are very low It causes very sporadic measurements This setting defines the lowest current that allows regular calculation of Power Factor PF and Power Angle PA The value for starting current should be set according to conditions in a system level of noise random current fluctuation a Starting current for all powers mA Noise is limited with a starting current also at measurements and calculations of powers The value for starting current should be set according to conditions in a system level of noise random current fluctuation Starting voltage for SYNC Device needs to synchronize its sampling with measuring signals period to accurately determine its frequency For that purpose input signal has to large enough to be distinguished from a noise If all phase voltages are smaller than this noise limit setting instrument uses current inputs for synchro
43. set when long leads are used Alarm output module Alarm output module is a relay switch Its main purpose is to be used as an alarm output but can also be used as a pulse or general purpose digital output PLEASE NOTE A parallel RC filter with time constant of at least 250 us 2 250 us should be used in case of a sensitive pulse counter RC filter attenuates relay transient signals For description of output functionality see chapter Functions of Digital output modules General purpose digital output This functionality allows user to enable disable digital output by software settings for example from SCADA system 56 Quality Analayser MC774 i amp lskra For this operation MODBUS registers need to be accessed by means of software By modifying appropriate MODBUS registers from SCADA digital output can be set or reset For corresponding MODBUS registers and their values see table below MODBUS registers and their values for remotely driving digital outputs MODULE NUMBER MODBUS REGISTER REGISTER VALUE Module 1 if installed 40722 4 OFF 4 OFF Module 3 if installed 40728 4 OFF Module 4 if installed 40731 3 ON 4 OFF Pulse output module Pulse output is a solid state opto coupler open collector switch Its main purpose is pulse output for selected energy counter but can also be used as an alarm or general purpose digital output Calculation of recommended pulse parameters Numbe
44. set by the MiQen setting software 105 Quality Analayser MC774 Safety Safety Test voltage EMC Protection protection class II In compliance with EN 61010 1 2010 600 V rms installation category II 300 V rms installation category III Pollution degree 2 Uaux against SELV circuits 3 51 kV rms Other circuits to functional earth 2 21 kV rms Directive on electromagnetic compatibility 2004 108 EC In compliance with EN 61326 1 2006 for industrial environment In compliance with EN 60529 1997 A1 2000 Front side with protection cover for memory slot IP40 Rear side with protection cover IP20 i amp jlskra 106 Quality Analayser MC774 Operating conditions i amp lskra Operating conditions which have been tested for proper operation of a device within specified accuracy are in accordance with requirements in standards IEC61557 12 IEC61326 1 IEC61000 4 30 and IEC61000 4 7 Ambient conditions Influence of Auxiliary Supply Influence of EMC Ambient temperature Storage temperature range Ambient humidity Max storage and transport humidity Voltage and Current max temperature influence limit Voltage and Current max aux supply change influence limit IEC61557 12 Common mode input voltage rejection IEC61557 12 External A C field IEC61326 1 Electrostatic discharges IEC61326 1 Electromagnetic RF fields IEC61326 1 Conducted disturbances IEC61326 1 K55 temper
45. supported measurements and alarms can be seen in real time in a tabelaric or graphical form F Retesh Adde 33 We Goto Device 33 IP Address 10 120 4118 Port 10001 Modbus TCP Serial number MCOO4468 49 Phase mea s 2 Others E Devices Voltage 2082 22781 V 206 urez7sov fi 14573 A 19737 233 5 597 aia 32 95 kw 44 63 kW 128200 inc 559 C Reactive Powe akw kw va zamke Settings ent Power 33 25 kVA 44 87 2 _130 98KVA 0 9314 Ind 0 3947 Ind 0 3788 Ind 282 055 s 1055 188 187 1219 387 Phase to phase measurements 1 12 12 13 Others Phase to phase vokage 396 18 V 39331 V 93 76 Upp 39408 V 12019 11981 gn Uu 000 180 172 CounterE1 Exp Courter E2 Exp ComterE3 mp Counter E4 fimp Active tarif 172621960 0wWh 29460713 kvah 022 kWh 50941 87 kvath p 132521955kWh 29480710kvah 5094196 Kah v 0 00 kwh 0 00 kwh 0 00 kvath Upsrades Mean Hamonic Up Homerics Upp Hamorics 1 uslty Alams LE Table view UM Graphic view Measurements D D 12 00 Yesterday 21 952 MWh Online measurements in graphical form phaser diagram and daily total active power consumption histogram Different measuring data can be accessed by means of tabs Measurements Min Max in the lower part of MiQen window 29 Quality Analays
46. to synchronise RTC of the device and to maintain its accuracy for correct aggregation intervals and time stamps of recorded events appearing in monitored electro distribution network Different types of RTC synchronisation are possible IRIG B modulated 1 kHz modulation with 1ms resolution IRIG B unmodulated level shift 1PPS RS232 Date amp Time telegram from GPS PLEASE NOTE For safety purposes it is important that all three wires Line Neutral and Protective Earth are firmly connected They should be connected only to the designated terminals as shown on the label above as well as on the front foil GPS time synchronization 1pps and serial RS232 communication with NMEA 0183 sentence support GPS interface is designed as 5 pole pluggable terminal 5V for receiver supply 1pps input and standard RS232 communication interface Proposed GPS receiver is GARMIN GPS18x 19 Quality Analayser MC774 6 IRIG time code B IRIG B Unmodulated DC 5V level shift and modulated 1 kHz serial coded format with support for 1pps day of year current year and straight seconds of day as described in standard IRIG 200 04 Supported serial time code formats are IRIG BOO7 and IRIG B127 Interface for modulated IRIG B is designed as BNC F terminal with 600 Ohm input impedance Interface for unmodulated IRIG B is designed as pluggable terminal see table 3 Network time protocol NTP Synchronization via
47. total power angle It represents angle between first base voltage harmonic and first base current harmonic for each individual phase Total power angle is calculated from total active and reactive power see equation for Total power angle chapter Equations A symbol for a coil positive sign represents inductive load and a symbol for a capacitor negative sign represents capacitive load For correct display of PF via analogue output and application of the alarm ePF extended power factor is applied It illustrates power factor with one value as described in the table below For a display on LCD both of them have equal display function between 1 and 1 with the icon for inductive or capacitive load Presentation of extended PF ePF Load C L Angle 180 90 90 180 179 99 1 0 0 1 ePF 1 0 2 3 Example of analogue output for PF and ePF Main menu Measurements Present values PF amp Power angle Frequency Network frequency is calculated from time periods of measured voltage Instrument uses synchronisation method which is highly immune to harmonic disturbances Device always synchronises to a phase voltage U1 If signal on that phase is too low it re synchronises to next phase If all phase voltages are low e g short circuit device synchronises to phase currents If there is no signal present on any voltage or current channels device shows frequency 0 Hz A
48. using service USB communication power supply and measuring voltages need to be disconnected Enthernet communication Ethernet communication is used for connection of device to the Ethernet network for remote operation Each device has its own MAC address that at some cases needs to be provided and is printed on the label on the device Device Address Device Address Device address is important when user is trying to connect to device via MiQen software Usable range of addresses is from 1 to 247 Default address number is 33 Not important when Ethernet communication is used IP Address Communication interface should have a unique IP address in the Ethernet network Two modes for assigning IP are possible Fixed IP address In most installations a fixed IP address is required A system provider usually defines IP addresses An IP address should be within a valid IP range unique for your network and in the same subnetwork as your PC DHCP Automatic dynamic method of assigning IP addressed DHCP is used in most networks If you are not sure if DHPC is used in your network check it at your system provider IP Hostname It is the nickname that is given to a device Hostnames may be simple names consisting of a single word or phase or they may be structured The setting is used in automatic DHCP mode only Local port When using Ethernet communication device has opened two local ports Fixed port number 502 which is a standard
49. 00 1000 WO Status watchdog module for supervision of proper operation General software Features Default optional Setup wizard e Wrong connection warning Custom screen settings 3 user defined screens on LCD Demonstration screen cycling 8 Quality Analayser MC774 i amp lskra Programmable refresh time MODBUS and DNP3 communication protocols Tariff clock MD calculation TF FW SW Wide frequency measurement range 16 400 Hz Programmable alarms 32 alarms Alarms recording Measurements recording 128 quantities Measurements graphs time FFT Evaluation of voltage quality in compliance with EN 50160 Real time clock synchronisation GPS IRIG B NTP 9 Quality Analayser MC774 i amp jlskra CONNECTION This chapter deals with the instructions for measuring instrument connection Both the use and connection of the device includes handling with dangerous currents and voltages Connection shall therefore be performed ONLY a by a qualified person using an appropriate equipment Iskra Sistemi d d does not take any responsibility regarding the use and connection If any doubt occurs regarding connection and use in the system which device is intended for please contact a person who is responsible for such installations A person qualified for installation and connection of a device should be familiar with all necessary precaution measures described in this document prior to its connection Before use Before us
50. 2 RS485 Type of connection Network Network Terminals RJ 45 USB B Screw terminals Insulation In accordance with EN 61010 1 2010 standard Transfer mode Asynchronous Protocol MODBUS RTU DNP3 auto detect Transfer rate 10 100Mb s 2 400 to 115 200 bit s 101 Quality Analayser MC774 i amp lskra Modules MC774 Digital input module Main module 1 2 Purpose Tariff input Pulse input General purpose digital input Tariff input No of inputs per module 2 Rated voltage 5 48 V AC DC 110 2096 V AC DC 230 20 V AC DC Depends on a built in hardware Frequency range 45 65 Hz Pulse input No of inputs per module 2 Rated voltage 5 48 V DC 12096 Max Current 8 mA at 48 V DC 20 Min pulse width 0 5 ms Min pulse period 2 ms SET voltage 40 120 of rated voltage RESET voltage 10 6 of rated voltage General purpose digital input No of inputs per module 2 Voltage 5 48 V AC DC 110 2096 V AC DC 230 20 V AC DC Depends on built in hardware Auxiliary module A B Purpose General purpose digital input No of inputs per module 8 Voltage 5 48 V AC DC 110 2096 V AC DC 230 20 V AC DC Depends on built in hardware Digital output module Main module 1 2 Type Relay switch No of outputs per module 2 Purpose Alarm output General purpose digital output Rated voltage 230 VAC DC 2096 max Max switching current 1000 mA Contact r
51. 4 30 2 1 cyc Class A 0 2 1 Class 1 Class 0 3 Class Class A 0 15 Class Class A Class Class A THDI Up to 4kHz IEC61557 12 Current harmonics Up to 4kHz 637 IEC61557 12 Up to 3kHz IEC61000 4 30 Class A Ums Signalling voltage synchronised Real time clock RTC unsynchronised IEC61000 4 30 Class A 1 sec day i amp lskra 1 Accurate measurements of neutral current meas at lower frequencies 16Hz 30Hz are possible up to 6Arms 2 Voltage unbalance is measured as amplitude and phase unbalance 3 Test specifications for flickermeter according to standard IEC61000 4 15 2010 4 When measuring THD user can set how it is calculated as a of fundamental or as a from RMS value 99 Quality Analayser MC774 Inputs MC774 Voltage input Current input Frequency Supply Number of channels Sampling rate Min voltage for sync Nominal value Uy Max measured value cont Max allowed value Consumption Input impedance 4 1 31 kHz Du 500 Vin 866 Vi 600 Vi 1000 Vi 1 2 x Uy permanently 2xUy 10s lt U 4 2 per phase 4 2 MO per phase 1 Ath 1 4 channel is used for measuring U EARTH NEUTRAL Number of channels Sampling rate Nominal value In Max measured value Max allowed value thermal Consumption Nominal frequency fn Measuring range Standard high Nominal voltage AC
52. 4 sub periods Measured value L 12 13 14 15 16 17 18 19 2 Time min 9 10 11 0 1 2 3 4 5 6 7 Input value Running MD value Peak MD value Operation of Sliding window MD function MD Time constant min The instrument provides maximum demand values based on a thermal function Thermal function time constant can be selected via keyboard or via communication Thermal function A thermal function assures exponent thermal characteristic based on simulation of bimetal meters Maximal values and time of their occurrence are stored in device A time constant t c can be set from 1 to 255 minutes and is 6 time thermal time constant t c 6 thermal time constant Example Mode Thermal function Time constant 8 min Current MD and maximal MD Reset at O min 35 Quality Analayser MC774 i amp lskra Thermal function Measured value 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time min Present MD MD peak Input Maximum demand reset mode This setting defines a mode of resetting Max demand values It can be set to Manual User resets max demand value with keypad or setting software see chapter Reset Automatic e Daily every day at 00 00 e Weekly on Monday at 00 00 e Monthly the first day in a month at 00 00 e Yearly the first day in a year 1 1 at 00 00 Min Max reset mode This setting defines a mode of
53. Configurable Count gt 12 Never Pulse On Never Pulse Off Bl Never Latch On Bl Never Latch Off Bl Never Always Bl Sometimes Configurable Always Sometimes Configurable Always Sometimes Configurable Always Sometimes Configurable Always PI Sometimes PI Configurable Never Queue Always Bl Sometimes Configurable Clear Queue Reports Binary Input Change Events when no specific Variation requested Never Only non time tagged Configurable Sends Unsolicited Responses Never Configurable Only certain Objects Sometimes ENABLE DISABLE UNSOLICITED Function codes supported Default Counter Object Variation No Counters Reported Configurable Default Object 30 Default Variation 4 Point by point list attached Sends Multi Fragment Responses Never Always Bl Sometimes Pl Configurable Reports time tagged Binary Input Change Events when no specific Variation requested Never Binary Input Change With Relative Time Configurable Sends Static Data in Unsolicited Responses Never When Device Restarts When Status Flags Change No other options are permitted Counters Roll Over at No Counters Reported Configurable 16 Bits 32 Bits Other Value 20000 Point by point list attached 122 Quality Analayser MC774 Iskra Object Request Response Function Qualifier Function Qualifier Number Number Codes dec Codes hex Codes dec Codes h
54. Device uses measuring technique of real effective rms value that assures exact measurements with the presence of high harmonics up to 63rd harmonic see chapter Calculation of harmonics Main menu Measurements Present values THD Harmonic distortion MC774 Device calculates different harmonic distortion parameters is calculated for phase currents phase voltages and phase to phase voltages and is expressed as percent of high harmonic components regarding to fundamental harmonic is calculated for phase currents only MC774 K factor is calculated for phase currents only MC774 Device uses measuring technique of real effective rms value that assures exact measurements with the presence of high harmonics up to 63rd harmonic see chapter Calculation of harmonics Main menu Measurements Present values THD Customized screens Here 4 different customised screens are shown First three screens show 3 different user defined values Fourth screen displays 5 different values as a combination of 3 values of first screen and first 2 values of second screen See chapter Settings of customized screens Main menu Measurements Present values Custom When due to mode of connection unsupported measurement is selected for customized screen an undefined value is displayed 87 Quality Analayser MC774 i amp lskra Overview It combines several measurements on each display as the followin
55. Ethernet requires access to a NTP server PLEASE NOTE NTP can usually maintain time to within tens of milliseconds over the public Internet but the accuracy depends on infrastructure properties asymmetry in outgoing and incoming communication delay affects systematic bias It is recommended that dedicated network rather than public network is used for synchronisation purposes RTC synchronisation is essential part of Class A instrument If no proper RTC synchronisation is provided device operates as Class S instrument Survey of synchronisation connection Terminals Connector type BNC for modulated IRIG B and Pluggable screw terminals for level shift IRIG B GPS modem or serial RS232 or RS485 53 54 55 5657 58 59 9999900 Position Data direction Description BNC 600 Ohm input impedance standard Coaxial cable 55 Ohm recommended connector 1PPS GPS or A 53 Synchronisation pulse IRIG B level shift p To From A RS485 a B RS485 Data reception Rx L9 5 m AUX voltage 5 supply for GPS modem When IRIG B or 1PPS signal is used for time synchronisation serial communication interface RS232 or RS485 can be used as a devices secondary communication port COM2 Screw terminal More information regarding use of Synchronisation module C is in a chapter Synchronisation module C and Serial communication via Synchronisation module C COM2 Conne
56. K Not complete Monit 01 2013 28 12 2012 4 1 2013 OK Not complete Monit 4 Flickers Pit 21 12 2012 28 12 2012 28 12 2012 Devices Everts 4 Chose fe ss ase Sethngs 71 fe 2 537 02 00 00 Settings 3 5 34 02000 3 7 88 02 00 00 Measurements Monitoring parameters EN 50160 Measurements Compliance L1 System L2 L3 MubPhase Requred Quality Analysis OK 100 00 99 5 Monitonnc 100 00 lt 100 X Monitoring lt Vokage Variations 1 OF 100 00 100 00 100 00 95 Monitoring x p Vokage Vanations 2 Ok 100 00 lt 100 00 lt 100 00 lt 100 onitonng N amp 7 Vokage Unbalances DK 100 00 X 95 itoring penoa Upgrades T t t 5x Rapid vokage changes OK 3 20 Monitoring period 5 may J HecorderA J Recor lich 3 39 9 J Into only 214 Flickers Pit OK sex ax 9752 95 5 Monitoring period 31 Vokage Dips Fald 5 6555 50 Year 30 Vokage Swells Faled amp 0 amp 0 6553 50 Year 110 Short Interruptions Faled 1 0 65535 1100 11 Long Interruptions Faded S 5 5 0 655 10 Year THD s OK 100005 100005 1000 95 Moritoting period Harmonics Ok 100 00 100 00 lt 100 00 95 Monitoring period S ents Signaling voltage Ok 100 00 100 00 100 00 199 X 29 Show events Flagged data can be included or excluded from a PQ report Sending
57. Measurement methods differ for normal operation quantities where values are averaged and aggregated according to aggregation requirements of IEC 61000 4 30 standard Class A and voltage events where half period values are evaluated again according to Class A standard Online measurements Online measurements are available on display or can be monitored with setting and monitoring software MiQen Readings on display are performed continuously with refresh time dependent on set average interval whereas rate of readings monitored with MiQen is fixed and refreshed approx each second For better overview over numerous readings they are divided into several groups which contain basic measurements min and max values alarms harmonics and parameters presented groups depend on measurements and function supported in selected device 76 Quality Analayser MC774 i amp lskra Each group can represent data in visually favoured graphical form or detailed tabelaric form Latter allows freezing readings and or copying data into various report generation software tools Device 33 IP Address 10120 4 118 Port 10001 Modbus TCP MC760 Serial number MC004483 D D i i i i 00 12 00 14 00 16 00 18 00 2000 22 00 2400 Today Yesterday 21 952 MWh Measurements Min Max Harmonics Up ijj Table view 0 Graphic view 2 1 Fi MiQen Setting Studio
58. Nominal frequency Nominal voltage DC Consumption max all 1 0 Power on transient current Optional low Nominal voltage AC Nominal frequency Nominal voltage DC Consumption max all 1 0 Power on transient current 4 31 kHz 1 5A 12 5 A sinusoidal 15 A cont lt 300 A 1s lt 1 x 0 010 per phase 50 60 Hz 16 400 Hz CAT III 300V 80 276 V 40 65 Hz 70 300 V lt 8VA 20A 1 ms CAT III 300V 48 77 V 40 65 Hz 19 70 V lt 8VA lt 20A 1 ms i amp lskra 100 Quality Analayser MC774 Iskra Connection MC774 Permitted conductor cross sections Terminals Max conductor cross sections Voltage inputs 4 2 5 with terminal 4 mm solid wire Current inputs 4 lt 6mm one conductor with insulation Supply 3 2 5 mm with pin terminal 4 mm solid wire Modules 1 2 2 x 3 2 5 with pin terminal 4 mm solid wire Modules A B 2x9 2 5 with pin terminal 4 mm solid wire Module C 1 x 7 2 5 with pin terminal 4 mm solid wire t Insulation for current connection wire should be at least PVC with 4kV dielectric strength and at least 475 C working temperature 100 short time 1 min It is imperative that terminal 12 which represents fourth voltage measurement channel is connected to earth pole ONLY This terminal should be connected to EARTH potential at all times Communication MC774 Ethernet USB RS23
59. P IRIG B they have priority to synchronise RTC By using time synchronisation with push functionality device does not meet requirements for Class A measuring device and can be used only as a Class S measuring device Data transmission Every transmission from master side device must be acknowledged from client side server to verify successful data transmission In case client fails to receive acknowledgment after predefined response time see Ethernet communication on page Napaka Zaznamek ni definiran it will retry to send it in next time interval This repeating of sending data will last until master responses to sent data After that client will send all available data from the moment it lost response from the master It is possible for PULL and PUSH communication mode to be active at the same time Both communication modes can be handled at the same time if PULL communication is made over COM2 or over Ethernet module through port reserved for 45 Quality Analayser 774 i amp jlskra communication over MODBUS communication protocol port 502 see chapter Fthernet communication on page Napaka Zaznamek ni definiran Supported quantities and settings Sending data in PUSH communication mode is closely related with storing measurements in a recorder Device can sent to the selected server s a block of measure quantities that are stored in memory For each memory division recorders A to D alarms recorder and quality report
60. Q U xI 490 With this method reactive power energy represents only true reactive component of apparent power energy LCD navigation MC774 Measurements General Date amp Time Resets Connection SD card Communication Info LCD Installation Security 14 11 2012 16 53 36 Energy Inputs Outputs lt Main menu Average interval ee Main menu Settings General Average interval Language 0 Main menu gt Settings gt General gt Language Currency 93 9 Main menu gt Settings gt General gt Currency Temperture unit STO am Main menu gt Settings gt General gt Temperature unit Date format Z9 Main menu gt Settings gt Date amp Time gt Date format Date and time 3 9 Main menu gt Settings gt Date amp Time gt Date Time Auto Summer Winter time 37 Quality Analayser MC774 i amp lskra 93 9 Main menu gt Settings gt Date amp Time gt Automatic S W time Maximum demand calculation MD mode 93 9 Main menu gt Settings gt General gt MD mode MD time const MD time constant min STO e lain menu gt Settings gt General gt MD time constant Min Max reset mode STO e Main menu gt Settings gt General gt Min Max reset mode Connection Settings of connections shall reflect actual state otherwise measurements could not be valid Conn
61. Relay output MM 3 Watchdog output Analysis 0B 4 Relay output ij Recorder A state P I Rx Fita cupit Defines if data is storing to selected memory partition Recorder D mode Standard recorder dr Enabling or disabling data storage Download changes to the device and open Memory info form and Format tab Choose memory partitions required to be cleared and click format button After partitions are cleared set Recorder state setting back to active It is strongly advised to download recorder data before applying any changes to recorder or changes of settings for energy type of connection current and voltage transformer settings and used current and voltage ranges These changes might have impact on recorded history so data might no longer be valid Conformity of voltage with EN 50160 standard The EN 50160 standard deals with voltage characteristics of electricity supplied by public distribution systems It specifies the limits or values of voltage characteristics in normal operation within public low or middle voltage system network Fallowing this definition the measuring instrument is adapted for monitoring voltage characteristics of a distribution systems according to EN 50160 standard Together with setting and monitoring software MiQen voltage characteristics can be monitored and weekly reports about power quality are issued Based on requirements stated in the standard default parameters are set in the device
62. SH communication mode is mainly used for Iskra Sistemi MiSmart system for remote monitoring analysis and reporting The most extensive benefits when using MC774 Quality Analyser are achieved when device is used as a part of an energy monitoring system comprising of strategically positioned meters connected to MiSMART software solution This three tier middleware software represents a perfect tool for utility companies energy suppliers and other parties present on both ends of supply demand chain MiSMART data collector with push communication system allows automatic records of all predefined measuring parameters They are stored in MiSMART database while leaving copy of same parameters stored locally in memory of each device as a backup copy Database records in XML format can be searched and viewed in tabelaric and graphical form using MiSMART client or used by third party application software Database records can involve numerous parameters of three phase system power quality parameters physical parameters temp pressure wind speed as well as alarms and event logs 44 Quality Analayser MC774 6 fe 0 Y ye pows ije ee le eoe x1 rate ee lb 08A LS VI 8 Deae cha esurerments d te Da Ras P d 8 we Ofsi MiSMART client window Explanation When in this commu
63. according to which supervision of all required characteristics is performed Parameters can also be changed in detailed settings for individual characteristics Factory default settings for PQ characteristics are in compliance with standard EN 50160 By changing individual parameters conformity of weekly reports with this standard is no longer valid Parameters of PQ characteristics are settable only by means of setting software MiQen 67 Quality Analayser MC774 Setting Studio i amp jlskra View a5 O08 43 Refresh Addess 33 Enc Goto Device 33 IP Addess 10 120 5 184 Port 10001 Modbus TCP Settings 3 Counter 1 Value Devices Counter 2 EN 50160 Counter 3 Electro Energetic System Low voltage Counter 4 t Operating Supply Vokage fV 230 e x Clock Gi Holidays Nominal Power Frequency Sethngs B L Inputs amp Outputs 1 Watchdog output ad 2 Relay output WR 3 Analogue input 4 Analogue input n A 8 x Relay output m B 8 x Digital input Monitoring period weeks Monitoring start day Flaged everts evaluation Reports Push data to link Include in report No pushing Reports Pushing penod Each record Complete report Reports Pushing time delay No delay te Detais Push data to link No pushing Synchronisalion COM2 a aT eee d gt
64. actual measurements cont MODBUS Parameter Register Start End 0401 0402 0403 0404 0406 0408 0410 0412 0414 0416 0418 0420 0422 0424 0426 0428 0430 0432 0434 0436 0438 0440 0442 0444 0446 0448 0450 0452 30405 113 Quality Analayser MC774 i amp jlskra Register table for the actual measurements cont MODBUS Parameter Register Start T17 0587 EL GN 0580 0581 0582 0583 0584 0585 0586 0588 0589 TS 0590 0591 Phase voltage harmonic data p Base for calculation 1001 1002 PTS 1003 1004 pu 1127 1128 NENNEN Base for calculation 1129 rT 1131 T6 1132 7 1255 1256 CL Base for calculation 1257 rT 1259 1260 1383 31384 Un W e U UJ gt 4 114 Quality Analayser MC774 i amp lskra Register table for the actual measurements cont MODBUS Parameter Register Start End Line voltage harmonic data 1385 31386 1387 1388 5 1511 1512 31514 W W 1513 1515 1516 1639 1640 1641 1643 1644 1767 31768 31642 UO 115 Quality Analayser MC774 i amp jlskra Register table for the actual measurements cont MODBUS Parameter Register M Phase current harmonic data I1 Harmonic Data 111 Harmonic Abs O 13171 T6 O 111 Harmonic Phase Angle 3172 J J T7 O 11 Harmonicsfrom2to62 Z o
65. ain menu Settings Measurements General Date amp Time Resets Connection SD card Communication Info LCD Installation Security 14 11 2012 16 53 36 Energy Inputs Outputs lt Main menu Active Tariff 620 Main menu gt Settings gt Energy gt Active tariff Common Energy Counter Resolution ee lt Main menu gt Settings gt Energy gt Common en exponent LED Energy Counter VUA 3 9 Vain menu gt Settings gt Energy gt LED Counter Led Number of pulses x 93 9 Main menu gt Settings gt Energy LED No of pulses LED Pulse Length ms x 93 9 Main menu Settings gt Energy gt LED Pulse lenght Tariff Clock 53 Quality Analayser MC774 i amp lskra Ke 3 9 Main menu gt settings gt Energy gt Tariff Clock Example of display for selected Active tariff ez Main menu gt Info OK U U gt ariff input Selected T1 Inputs and outputs Introduction I O functionality is a powerful tool of measuring instrument Using various 1 0 modules device can be used not only for monitoring main electrical quantities but also for monitoring process quantities temp pressure wind speed and for various control purposes Welcome Device can be equipped with different I O modules with different functionality For its technical specifications see chapter Technical data Inputs and outputs LCD navigation MC774 Main menu Measurements Resets SD card In
66. al memory can be transferred to a memory card b PLEASE NOTE 16 Quality Analayser MC774 i amp jlskra Measurements cannot be directly recorded to a memory card Only data previously stored in internal memory can be transferred to a memory card Upload and download settings This is a very convenient way of programming devices Settings can be manually programmed once and stored to a memory card by Upload settings Using that memory card more devices can be programmed very fast with identical settings Firmware update When new features are added or when certain fixes should be implemented it is necessary to update devices firmware This can again be performed fastest by using memory card New firmware should be transferred to a memory card from computer once After that multiple devices can be updated only with memory card During firmware update aux power supply must not be interrupted 17 Quality Analayser MC774 i amp lskra Communication connection for MC774 Primary communication interface COM1 type is normally specified when placing an order Device can support several types of communication serial RS232 485 communication designed as a pluggable 5 pole screw terminal connector Ethernet communication designed as standard RJ 45 terminal and USB communication designed as standard USB B type terminal Single USB communication designed as standard USB B type terminal PLEASE NOTE When connecti
67. apter you will find basic programming steps which can be accessed by using keypad and display Installation wizard After installation and electrical connection basic parameters have to be set in order to assure correct operation The easiest way to achieve that is use the Installation wizard When entering the Installation menu settings follow one another when the previous one is confirmed All required parameters shall be entered and confirmed Exit from the menu is possible when all required settings are confirmed or with interruption key lt several times without changes Installation wizard menu may vary depending on built in communication modules In description below is marked which menu appears for specific option PLEASE NOTE All settings that are performed through the Installation wizard can be subsequently changed by means of the Settings menu or via MiQen by means of communication or a Memory card where available When entering installation wizard following display is shown Installation Welcome to the Installation Wizard Press OK to continue Main menu Language Set device language Date Set device date Time Set device time If instrument is connected to one of supported time synchronisation sources date and time are automatically set Connection mode Choose connection from a list of supported connection modes Primary voltage Set primary voltage of monitored system if a device is
68. ata below Support for GPS IRIG B and NTP real time synchronisation e e o Up to 20 additional inputs and outputs see data below Internal flash memory 8MB Real time clock RTC standard 144 mm DIN square panel mounting O Jejejo jeo Front panel Graphical LCD display with back light LED indicator card com alarm I O status LED indicator SD memory card slot for data transfer Control keys on front panel 5 keys Communication COM1 Ethernet USB USB Serial RS232 485 e o o COM 2 Serial RS232 RS485 on slot if other synchronisation modes in use e e Function is supported default Optional to be specified with an order General hardware Features Default Optional Input and output modules Input output module 1 2xAO 2xAI 2xRO 2xPO 2 2xTI 1xBO 2xDI WO RO o o o o o o o o o Input output module 2 2xAO 2xAI 2xRO 2xPO 2 2xTI 1xBO 2xDI WO RO o o o o o o o o o Auxiliary input output module A 1 8 DI RO Auxiliary input output module I O B 1 8 DI RO Synchronisation module C I O C GPS 1pps IRIG B COM2 e e e Function is supported default O Optional to be specified with an order PO Pulse output module TI Tariff input module RO Relay output module BO Bistable relay output module AO Analogue output module DI Digital input module PI Pulse input module Al Analogue input module U I or R PT1
69. ature class Acc to EN 61557 12 10 55 C 40 to 70 C lt 7596 r h no condensation 9096 r h no condensation 20ppm K 10V 600V 0 05A 10A Tomp 30 C to 70 C 0 02 96 Supply voltage magnitude and frequency in a specified range lt t 0 08 96 common mode voltage at 500V lt 0 02 96 Performance criteria A IEC61000 4 2 Performance criteria B IEC61000 4 3 Limit 1 lt 0 4 Performance criteria A IEC61000 4 6 Limit 1 lt 0 4 Performance criteria A Test performed my measuring active energy with pulse output Error 0 4 is due to short measuring time 107 Quality Analayser MC774 i amp lskra Dimensions Dimensional drawing Construction Appearance All dimensions are in mm Dimensions 10 28 53 0 144 TN B i 138mm Panel cut out Enclosure Dimensions 144 x 144 x100 mm Mounting Panel mounting 144x144 mm Required mounting hole 137 x 137 mm Enclosure material PC ABS Flammability Acc to UL 94 V 0 Weight 550g Enclosure material PC ABS APENDICES APPENDIX A MODBUS communication protocol Communication protocols 108 Quality Analayser MC774 6 Modbus and DNP3 protocol are enabled via RS232 and RS485 or Ethernet communication Both communication protocols are supported on all communication ports of the device The response is the same type as the request Modbus Modbus prot
70. be read with MiQen software to assure data consistency for the past After modification of energy parameters the energy meters counters should be reset All recorded measurements from this point back might have wrong values so they should not be transferred to any system for data acquisition and analysis Data stored before modification should be used for this purpose Active Tariff When active tariff is set one of the tariffs is defined as active switching between tariffs is done either with a tariff clock or a tariff input For the operation of the tariff clock other parameters of the tariff clock that are accessible only via communication must be set correctly Common Energy Counter Resolution Common energy exponent defines minimal energy that can be displayed on the energy counter On the basis of this and a counter divider a basic calculation prefix for energy is defined 3 is 10 3Wh mWh 4 is 104Wh 10 kWh A common energy exponent also influences in setting a number of impulses for energy of pulse output or alarm output functioning as an energy meter Define common energy exponent as recommended in table below where counter divider is at default value 10 Values of primary voltage and current determine proper Common energy exponent Current 1A 5A 50A 100 A 1000 A Voltage Individual counter resolution should be at least 100 Common Energy Cost Exponent Setting enables resolving the cost display On the basis of t
71. ble Date format Set a date format for time stamped values Date and time Set date and time of the device Setting is important for correct memory operation maximal values MD etc If instrument is connected to one of supported time synchronisation sources date and time are automatically set Real Time Synchronisation Source Synchronized real time clock RTC is an essential part of any Class A analyzer for proper chronological determination of various events To distinct cause from consequence to follow a certain event from its origin to manifestation in other parameters it is very important that each and every event and recorded measurement on one device can be compared with events and measurements on other devices Even if devices are dislocated which is normally the case in electro distribution network events have to be time comparable with accuracy better than a single period For this purpose devices normally support highly accurate internal RTC Still this is not enough since temperature is location dependant and it influences its precision For that reason it is required to implement periodical RTC synchronization 32 Quality Analayser MC774 i amp lskra RTC synchronisation is essential part of Class A instrument If no proper RTC synchronisation is provided device operates as Class S instrument This setting is used to choose primary synchronisation source e synchronisation not advisable see CAUTION above
72. ced family of transducers MT500 See Modbus table definitions Push Data Format With this setting a required data format for sending data to receiver using PUSH communication mode is set Currently supported format is XML smart For more information about PUSH communication mode and XML data format see chapter Communication modes and appendix D Push Response Time sec With this setting a maximum waiting time for acknowledgement of sent data in PUSH communication mode is set If acknowledgement from a client is not sent within this time scheduled data will be resend in next push period Setting comes in to consideration only if device is connected to MiSmart system via serial communication Push Time Synchronisation In case where no other synchronisation source is available GPS IRIG B NTP RTC can be synchronised by push data client This type of synchronisation strongly depends on communication infrastructure and it is not as accurate as required by IEC 61000 4 30 It has the lowest priority and cannot override RTC synchronised by any of other sources Time synchronization Which type of communication is used for synchronization of time for PUSH communication mode purpose Setting comes in to consideration only if device is connected to MiSmart system via serial communication USB Communication There is no special setting for USB communication For more detailed information how to handle device with USB communication use H
73. communication or a memory card where available 10 Quality Analayser MC774 i amp jlskra Mounting MC774 MC774 Quality Analyser is intended only for panel mounting Pluggable connection terminals allow easier installation and quick replacement should that be required This device is not intended for usage as portable equipment and should be used only as a fixed panel mounted device 43 max 40mm 8 lt 10 28 53 0 144 a 4 EI 81 Dimensional drawing and rear connection terminals position Recommended panel cut out is 138 x 138 mm 0 8 Please remove protection foil from the screen Electrical connection for MC774 Voltage inputs of a device can be connected directly to low voltage network or via a voltage measuring transformer to a high voltage network Current inputs of a device are led through a hole in current transformers to allow uninterrupted current connection Connection to network is performed via a corresponding current transformer Choose corresponding connection from the figures below and connect corresponding voltages and currents Information on electrical consumption of current and voltage inputs is given in a chapter I O modules For accurate operation and to avoid measuring signal crosstalk it is important to avoid driving voltage measuring wires close to current measuring transformers System connection Terminal assignment Connection 1b 1W Single phase connection
74. connected indirectly by means of a voltage transformer If device is connected to directly to a low voltage enter this value Secondary voltage Set secondary voltage if a voltage transformer is used set voltage of low voltage network if connection is direct Primary current Set primary current of monitored system if a device is connected indirectly by means of a current transformer Otherwise primary and secondary current should remain the same Secondary current Set secondary current of current transformer or the value of nominal current if connection is direct Common energy counter resolution Define Common energy counter resolution as recommended in table below where Individual counter resolution is at default value 10 Values of primary voltage and current determine proper Common energy counter resolution For detailed information about setting energy parameters see chapter Energy 22 Quality Analayser MC774 i amp lskra Suggested Common energy counter resolutions Current 1A 5A 50A 100A 1000 A Voltage Individual counter resolution should be at least 100 Device address Set MODBUS address for the device Default address is 33 Baud rate Set communication rate Default rate is 115200 b s This setting is available only when RS232 RS485 communication is built in Parity Set communication parity Default value is None This setting is available only when RS232 RS485 communication is built in Stop bit Set
75. ction of aux Power supply Device can be equipped with either of two types of universal AC DC switching power supply Type High 70 300 V DC 80 276 V AC 40 65 Hz Type Low 19 70 V DC 48 77 V AC 40 65 Hz 20 Quality Analayser MC774 i amp lskra Power supply voltage depends on ordered voltage Information on electric consumption is given in chapter Technical data Regarding power supply voltage specification on the label choose and connect the power supply voltage SUPPLY Connection of universal power supply type High to terminals 13 and 14 Connection of universal power supply type Low to terminals 13 and 14 A WARNING Auxiliary power supply be LOW range 19 70Vpc 48 77V Connecting device with LOW power supply to higher voltage will cause device malfunction Check devices specification before turn it on Aux supply inrush current can be as high as 20A for short period of time lt 1 ms Please choose an appropriate MCB for connection of aux supply 21 Quality Analayser MC774 6 FIRST STEPS Programming device is very transparent and user friendly Numerous settings are organized in groups according to their functionality Programming device can be performed using the keypad and display on the front panel Due to representation of certain settings not all settings can be programmed this way All settings can be programmed using MiQen software In this ch
76. d pushed to two different servers Within this setting all parameters relevant to used servers should be set as well as data type for sent data time synchronization source and server response time For more information about PUSH communication mode and XML data format and appendix D Communication modes MC774 Quality Analyser supports two communication modes to suit all demands about connectivity and flexibility Standard POLL communication mode is used for most user interaction purposes in combination with monitoring and setting software MiQen SCADA systems and other MODBUS oriented data acquisition software PUSH communication mode is used for sending unsolicited data to predefined links for storing data do various data bases POLL communication mode This is most commonly used communication mode It services data on demand and is therefore suitable for direct connection of setting and or supervising software to a single device or for a network connection of multiple devices which requires setting up an appropriate communication infrastructure Data is sent from device when it is asked by external software according to MODBUS RTU or MODBUS TCP protocol This type of communication is normally used for a real time on demand measurement collection for control purposes To set up PULL communication mode only basic communication settings are required according to communication type serial USB ETHERNET PUSH communication mode PU
77. days in a week When the real time clock date is equal to one of a date of holidays tariff is switched to holiday within a period of active daily group with a selected holiday If there is no date of holidays that is equal to the real time clock date all daily groups with the selected current day in a week are active Several daily groups can be active simultaneously which enables more than 4 time spots in one day combine of day programs If the time spot is not set for a certain day tariff T1 is chosen Time of a real time clock defines an active tariff regarding currently active day program A selected tariff T1 to T4 of individual time spot is active from the time of the time spot to the first next time of the remaining time spots The order of time spots is not important except when two times are equal In that case the time with a higher successive number has priority if several time spots are active times of higher time spots have higher successive numbers while the time spot with a lower number will never be active If current time is before the first time of any time spot of active spots the time spot with the last time is chosen If no time spot of active programs is valid tariff T1 is chosen Time selected tariff T1 to T4 or fixed selected tariff via communication defines activity of an energy counter Holidays Holiday date 1 20 Year days holidays with the special cost management rules LCD navigation MC774 M
78. dditionally frequency with 10 second averaging interval is displayed 85 Quality Analayser MC774 i amp lskra Main menu Measurements Present values Frequency Energy counters Three ways of Energy counters display are available byindividual counter bytariffs for each counter separately and energy cost by counter At a display of measured counter by tariffs the sum in the upper line depends on the tariffs set in the instrument There are two different methods of calculating reactive energy See chapter Reactive power and energy calculation Additional information how to set and define a counter quantity is explained in chapter ENERGY Main menu Measurements Present values Energy 86 Quality Analayser MC774 i amp lskra MD values MD values and time stamp of occurrence are shown for Three phase currents Active powers import and export Reactive power ind and cap Apparent power Main menu Measurements Present values MD values Dynamic demands are continuously calculated according to set time constants and other parameters Reset demands are max values of Dynamic demands since last reset Harmonic distortion Device calculates different harmonic distortion parameters is calculated for phase currents phase voltages and phase to phase voltages and is expressed as percent of high harmonic components regarding to fundamental harmonic
79. ders can be user defined as a standard trend recorders like recorders A and B or can be defined as dedicated harmonic recorders As such they will record all 63 harmonics voltage or current depends on user setting for each of those two recorders Settings are available in general tab of Standard recorders section see figure Internal memory organisation Fixed partitions are dedicated for recording PQ reports and details see chapter Power supply quality Memory size 8 MB Last reading date 4 1 2013 14 08 17 Memory part Free Recorder Recorder B 12d 11h 12d 11h Recorder C 15d Oh Recorder D 15d Oh Alarms 32 000 Quality reports 47924 0h Quality details 125 144 Internal memory organisation Memory division Memory is divided into 5 partitions which size is defined by the user The A B C and D recorders are intended for recording measurements while all alarms that occurred are recorded in an alarm partition Memory division MC350 MC memory is divided into 3 partitions which size is defined by the user Measurements are stored in A and B partitions while all alarms that occurred are recorded in an alarm partition Recorder A B state Defines if data is storing to selected memory partition Recorder A B C D state Defines if data is storing to selected memory partition Alarms state Defines if data is storing to selected memory partition Quality reports state
80. device The USB connection is provided through a USB standard Type B connector PLEASE NOTE When device is connected to a PC through USB communication for the first time a user is prompted to install a driver The driver is provided on the CD enclosed in the original shipment package or can be downloaded from the Iskra Sistemi web page www iskrasistemi si With this driver installed USB is redirected to a serial port which should be selected when using MiQen software Survey of communication connection MC774 Connector Terminals Position Data direction Description RS485 o Screw terminal To Data reception Rx RS232 o Semi Ethernet RJ 45 100BASE T CAT5 cable recommended USB USB B Standard USB 2 0 compatible cable recommended Type B plug Connection of Real Time Synchronization module C Synchronized real time clock RTC is an essential part of any Class A analyzer for proper chronological determination of various events To distinct cause from consequence to follow a certain event from its origin to manifestation in other parameters it is very important that each and every event and recorded measurement on one instrument can be compared with events and measurements on other devices Even if instruments are dislocated which is normally the case in electro distribution network events have to be time comparable with accuracy better than a single period Synchronisation module is used
81. e E Device Profile Document Date 8 Jan 2013 Device Name Measurement centre Vendor Name Iskra d d Models Covered MC774 Highest DNP Level Supported Device Function For Requests 1 Master For Responses 1 Slave Notable objects functions and or qualifiers supported in addition to the Highest DNP Levels Supported the complete list is described in the DNP V3 0 Implementation table Maximum Data Link Frame Size octets Maximum Application Fragment Size octets Transmitted 292 Transmitted 2048 Received 249 Received 249 Maximum Data Link Re tries Maximum Application Layer Re tries None None Configurable Configurable Requires Data Link Layer Confirmation Never Always Sometimes Configurable Requires Application Layer Confirmation Never Always Sometimes Configurable Timeouts while waiting for Data Link Confirm Bl None Fixed at Variable PI Configurable Complete Appl Fragment NoneBlFixedat Variable Pl Configurable Application Confirm NoneBlFixedat Variable Pl Configurable Complete Appl Response NoneBlFixedat Variable Pl Configurable Others 121 Quality Analayser MC774 i amp lskra Sends Executes Control Operations WRITE Binary Outputs SELECT OPERATE DIRECT OPERATE Never Bl Always Sometimes PI Configurable Never Bl Always Bl Sometimes Configurable Never Bl Always Bl Sometimes PI Configurable DIRECT OPERATE NO Never Bl Always Bl Sometimes E
82. e NTP synchronisation e MODULE C synchronisation Synchronisation status can be checked on display when set to INFO display 05 01 2013 05 01 2013 05 01 2013 16 04 07 16 04 07 16 04 07 emperature emperature sea smPerature Notification icon N shows successful Notification icon G shows successful Notification icon shows successful NTP synchronisation GPS synchronisation If only 1pps IRIG synchronisation signal is present without date and time feed notification icon G is present Auto Summer Winter time If Yes is chosen time will be automatically shifted to a winter or a summer time regarding the time that is momentarily set Maximum demand calculation MD mode The device provides maximum demand values from a variety of average demand values Thermal function Fixed window Sliding windows up to 15 Thermal function A thermal function assures exponent thermal characteristic based on simulation of bimetal meters Maximal values and time of their occurrence are stored in device A time constant can be set from 1 to 255 minutes and is 6 times thermal time constant t c 6 x thermal time constant Example Mode Thermal function Time constant 8 min Running MD and maximal MD Reset at O min 33 Quality Analayser MC774 i amp lskra Measured value Time constant T T T I T I I T T I I I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time min Input value
83. e can be delayed also with Compare time delay setting See chapter Alarms Also data on display will refresh slower Interval can be set from 0 1 to 5 s Default value is 1 s Average interval for Min Max values The averaging interval for Min Max values defines an interval on which values will be averaged to track Min and Max values By choosing shorter interval also very fast changes in the network will be detected Interval can be set form 1 to 256 periods PLEASE NOTE This setting applies only for min and max values displayed on LCD and accessible on communication These values are not used for storing into internal recorder For more information about recording min and max values see Min and Max values Language Set language for display When language is changed from or to Russian characters of the password are changed too For overview of character translation PLEASE NOTE If a wrong language is set a menu of languages is displayed by simultaneous pressing up and down keys Currency Choose currency for evaluating energy cost A currency designation consists of up to four letters taken from the English or Russian alphabet and numbers and symbols stated in table below English eese E pease Tete beet te tp tyr Russian CC CO Temperature unit Choose a unit for temperature display Degrees Celsius or degrees Fahrenheit are availa
84. e please check the following Nominal voltage Up pmax 1000Vacrms Up uma G0OVacrms Supply voltage type HIGH or type LOW Nominal frequency Voltage ratio and phase sequence Current transformer ratio and terminals integrity Protection fuse for voltage inputs recommended maximal external fuse size is 6 A External switch or circuit breaker must be included in the installation for disconnection of the devices aux power supply It must be suitably located and properly marked for reliable disconnection of the device when needed See CAUTION below Integrity of earth terminal Proper connection and voltage level of O modules Wrong or incomplete connection of voltage or other terminals can cause non operation or damage to the device It is imperative that terminal 12 which represents fourth voltage measurement channel is connected to earth pole ONLY This terminal should be connected to EARTH potential at all times This input channel is used only for measuring voltage between neutral end earth line Aux Supply inrush current can be as high as 20A for short period of time 1 ms Please choose an appropriate MCB for disconnection of aux Supply PLEASE NOTE After connection settings have to be performed via a keyboard on the front side of the device that reflect connection of device to voltage network connection mode current and voltage transformers ratio Settings can also be done via
85. e serial coded date and time telegram from a GPS receiver in order to synchronise internal real time clock RTC When other methods are used for synchronising RTC this communication port can be used as a secondary general purpose communication port Please note that either RS232 or RS485 should be used and not both at a time Connector terminals that are not used should remain unconnected otherwise the communication could not work properly RTC synchronisation is essential part of Class A instrument If no proper RTC synchronisation is provided device operates as Class S instrument Max consumption of 5V supply terminal is 100mA When GPS with consumption greater the 100mA is used it is advisable to use external power supply Memory card MC7XX is equipped with a front panel slot for a SD memory card that supports capacity up to 2 GB When memory slot is not used it should be covered with attached cover to avoid penetration of dust and small objects Memory card is useful for transferring stored data and performing other system operations downloading settings firmware update when device is not connected to communication Memory card allows different operations Immediately after insertion of a memory card devices menu changes to show memory card options Load settings Saftuare update Main menu Transferring data stored in internal memory All data readings alarms PQ reports and details which are stored in intern
86. ection mode When connection is selected load connection and the supported measurements are defined Setting of current and voltage ratios Before setting current and voltage ratios it is necessary to be familiar with the conditions in which device will be used All other measurements and calculations depend on these settings Up to five decimal places can be set up down To set decimal point and prefix up down position the cursor left right to last empty place or the decimal point Aux CT transformer ratios can be set separately from phase CT ratios since Aux CT could differ from phase CTs Range of CT and VT ratios Settings range VT primary VT secondary CT Aux CT CT Aux CT primary secondary Max value 1638 3 kV 13383 V 1638 3 kA 13383 A Min value 0 1 V 1 mV 0 1A 1 mA Neutral line Primary Secondary current A Primary Secondary current of neutral line current transformer Used voltage current range V A Setting of the range is connected with all settings of alarms analogue outputs and a display calculation of energy and measurements recording where 100 represents 500 V In case of subsequent change of the range alarms settings shall be correspondingly changed as well In case of subsequent change of those ranges shall be alarm and analogue output settings correspondingly changed as well Already recorded values will not be valid after change of used voltage and current range Frequency nominal value Hz
87. elp section in MiQen software amp PLEASE NOTE Device supports only a single communication input USB or Ethernet at a time when using primary communication port COM1 Priority has USB communication If communication using ethernet is in progress do not connect to USB since it will terminate ethernet connection When USB cable is unplugged from the device ethernet communication is again available PLEASE NOTE When device is connected to a PC through USB communication for the first time a user is prompted to install a driver The driver is provided on the CD enclosed in the original shipment package or it can be downloaded from the Iskra Sistemi d d web page www iskrasistemi si With this driver installed USB is redirected to a serial port which should be selected when using MiQen setting software Service USB Communication Has no setting Device is automatically recognized in Windows environment if device driver has been correctly installed For more detailed information how to handle device with USB communication use Help section in MiQen software 40 Quality Analayser MC774 i amp jlskra PLEASE NOTE Service USB is intended only for parameterisation of the meter and is not galvanic separated Advantage is that in this case meter does not need a power supply to communicate Communication via service port is time limited PLEASE NOTE Service USB communication is not galvanic separated When
88. ements in EN 50160 for that particular system Nominal supply voltage Set a voltage level of a monitored system This value is used as a reference for calculation of power quality indices and is usually equal to nominal network voltage also marked as Udin in various standards Factory default value is EU standard low voltage value 230 V Nominal power frequency Nominal frequency of monitored supply voltage is selected Factory default value is EU standard frequency 50Hz It is also possible to choose 60 Hz Flicker calculation function Low voltage level for residential lamps can be either 230V or 110V Function for detection of flicker differs regarding this voltage Since actual low voltage level can be different as secondary voltage of used VT nominal measuring voltage this setting must be set to a voltage level which is used to supply residential lamps 68 Quality Analayser MC774 i amp jlskra Monitoring period weeks Monitoring period predefines period for issuing reports When Monitoring Mode is set to EN 50160 monitoring is performed continuously This setting defines how often should reports be issued Monitoring start day A starting day in a week for monitoring period is selected It starts at 00 00 midnight in the selected day The selected day will be the first day in a report After Monitoring period and Monitoring start day are defined PQ reports will be continuously issued at the end of each moni
89. emory functions in a cyclic mode in compliance with the FIFO method This means that only the latest records are stored in the memory that will replace the oldest ones A size of stored data or a storing period depends on selected partition size a number of recorded quantities and a storage interval Storage availability of partitions is shown in the Information menu see chapter Display of device info Memory clearing There is usually no need to clear the memory because it works in cyclic mode If it is required anyway the data storing must be stopped first Read the device settings with MiQen and set Recorder state in Memory setting group to stopped as shown in a figure below 66 Quality Analayser MC774 i amp jlskra hc 0 2 1 Setting Studio File Tools View PW MIT Y I P S Fj Refresh Address 33 sf Settings a Setting Value ales Gnas ety Reserved for network quality 2 048 KB pop Connection Memory division 4 63 B 33 C 0 D 0 Alarms 4 _ Communication in j Las Push Data Clients a Display Recorder B state Settings 8 Security Recorder C state B H Energy Recorder D state Active a _1 Counters Alarms state Active 6 ERO Tariff Clock Quality reports state Active Holidays Quality details state Active easurements i gH Inputs amp Outputs Recorder C mode Standard recorder JJ 1 Relay output 4 2
90. en screens and menus A slot with a cover Memory card A Quality Analyser is provided with a slot for a full size MMC or SD card that is used for data transfer from the internal memory device setting and software upgrading A slot protection cover for the card prevents penetration of humidity and dust into device LED indicators 3 Quality Analayser MC774 6 There are two types of LED indicators positioned on the front panel General operation LED indicators and 1 0 status LED indicators General operation LED indicators warns of a certain state of the device A left red indicator indicates the card activity and that it should not be pulled out A middle green one is blinking when transmitting MC data via communication A right red one is blinking when the condition for the alarm is fulfilled I O state LED indicators are in operation when additional Modules A and or B are built in and they have functionality of Digital input or Relay output They are indicating the state of a single I O Red LED is lit when Relay output is activated Signal is present on Digital input Abbreviation Glossary Abbreviations are explained within the text where they appear the first time Most common abbreviations and expressions are explained in the following table Term Explanation RMS Root Mean Square value Flash Type of a memory module that keeps its content in case of power supply failure Ethernet IEEE 802 3 data layer
91. en when condition for the alarm is fulfilled and remains open until it is manually reset Pulsed an impulse of the user set length is activated always when condition for the alarm is fulfilled Pulsed inversed Normally relay is activated An impulse of the user set length deactivates it always when condition for the alarm is fulfilled Always switched on off permanent A relay is permanently switched on or off irrespective of the condition for the alarm general purpose digital output functionality Check an example in chapter Alarms for graphical demonstration of alarm functionality Status Watchdog and Relay output module Watchdog and relay module is a combination of two functionalities One output is used for Watchdog functionality the other acts as a Relay output module The purpose of a Watchdog relay is to detect potential malfunction of device or auxiliary power supply failure This module can be set for normal operation relay in close position or for test purposes to open position manual activation After test module should be set back to normal operation For description of output functionality see chapter Functions of Digital output modules below Fast analog output module Functionality of fast analog output module is the same as with standard analog output module The only difference is its faster response time x 50 ms and consequential higher ripple For a proper behavior of fast analog output module fast
92. eports and lower part holds detailed information about each of upper reports For each of monitored parameters it is possible to display anomaly report This represents a complete list of accurately time stamped measurements that were outside PQ limit lines By clicking on Show details for each PQ parameter MiQen displays time stamped measurements events which were outside limit lines Flagged data evaluation Flagged data represent data recorded events that has been flagged marked according to flagging concept IEC 61000 4 30 Flagged data are power quality records which has been influenced by one or more voltage events interruptions dips swells The purpose of flagging data is to mark recorded parameters when certain disturbances might influenced measurements and caused corrupted data For example voltage dip can also trigger occurrence of flicker interharmonics In this case all parameters which were recorded at a time of voltage events are marked flagged PQ report will omit or include flagged data according to appropriate setting see chapter Flagged events setting PLEASE NOTE Regardless of this setting readings will be always stored in recorder and available for analysis Flagging only influences PQ reports as a whole In evaluation of PQ parameter details it is possible to show All events Non flagged events as depicted in a figure below 95 Quality Analayser MC774 i amp jlskra Displa
93. er MC774 i amp jlskra For further processing of the results of measurements it is possible to set a recorder Recorder button on active device that will record and save selected measurements to MS Excel csv file format Window for setting local database recording parameters 30 Quality Analayser MC774 6 Data analysis In order to perform analysis data source has to be defined first Data source can be one of the selected Address 33 jM C774 22 Analysis What do you want to do Read memory E Open data file import MMC SD data Read memory Data is read directly from a devices internal memory Open data file Data is read from a local database Import SD data Data is imported from a SD memory card asad Fumar ba Furl aare Window for a choice of memory data to be analysed After data is read or imported recorded quantities can be monitored in a tabular or a graphical form The events that triggered alarms can be analyzed or a report on supply voltage quality can be made All data can be exported to an Access data base Excel worksheets or as a text file My Devices Device upgrades General Settings General settings are essential for measuring linstruments They are divided into four additional sublevels Connection Communication Display and Security Description amp Location Description is intended for easier recognition of a certain unit in a network
94. erver response time For more information about PUSH communication mode and XML Data format see chapter Communication modes TCP Link 1 and TCP Link 2 Push data clients e address e address of the server collecting data from devices e IP port e IP port of the serve collecting data from devices e Data Format With this setting a required data format for sending data to receiver using PUSH communication mode is set Currently supported format is XML smart For more information about PUSH communication mode and XML data format see Communication modes on page and appendix D Response Time sec With this setting a maximum waiting time for acknowledgement of sent data in PUSH communication mode is set If acknowledgement from a client is not sent within this time scheduled data will be resend in next push period For devices connected in communication network with slow communication speed values over 10 seconds needs to be selected If value lower than 10 second is selected historical data from recorders are pushed immediately one after another If value is higher than 10 seconds automatic time delay length of 10 of set value is integrated between the sent packets MAC Address Read only information about device MAC address 43 Quality Analayser MC774 i amp lskra Firmware version Read only information about communication module firmware version Sending data When PUSH communication mode is used data can be sen
95. es 9 Voltage events T e 5 alij Harmonics amp THO 4 7 Interharmonic 1 Frequency Hz 10 3000 Password 2 f Defines the frequency of the monitoring interharmonic Remark Not part of EN50160 Report Intetharmonic 2 Frequency Hz ntechamonic 3 Frequency Hz 68 Interharmonic 10 Frequency Hz 597 interharmonics ge Settings for 10 user defined interharmonic frequencies Conformity of voltage with SIST EN 50160 standard The SIST EN 50160 standard deals with voltage characteristics of electricity supplied by public distribution systems This specifies the limits or values within which a customer can expect voltage characteristics to lie Within this definition the Network analyzer is adapted for supervising the compliance of distribution systems with the SIST EN 50160 standard Based on requirements stated in the standard default parameters are set in the meter according to which supervision of all required parameters is done Parameters can also be changed in detailed setting of individual characteristic Reset During normal operation of a device different counter s values need to be reset from time to time Reset energy counter All or individual energy meters counters are reset Reset energy counter Cost All or individual energy costs are reset Reset MD values Thermal mode Current and stored MDs are reset Fixed interval Sliding windows The values in the current
96. esistance lt 100 mQ 100 mA 24V Impulse Max 4000 imp hour Min length 100 ms Type Bistable Relay switch No of outputs per module 1 Purpose Alarm output General purpose digital output 102 Quality Analayser MC774 Max switching power Rated voltage Max switching current Contact resistance i amp lskra 40 VA 230 Vacypc 20 max 1000 mA lt 100 mQ 100 mA 24V Digital output module Status Watchdog output module Analogue output module Time sync input module C Type No of outputs per module Purpose Rated voltage Max switching current Pulse length Auxiliary module A B Type No of outputs per module Purpose Rated voltage Max switching current Contact resistance Type Number of outputs Normal operation Failure detection delay Rated voltage Max switching current Contact resistance Output range Accuracy Max burden Linearization No of break points Output value limits Response time measurement and analogue output Residual ripple Digital input 1pps voltage level Max consumption on 5V terminal Optocoupler open collector switch 2 Pulse output 40 VAC DC 30 mA RONmax 8Q programmable 2 999 ms Relay switch 8 Alarm output General purpose digital output 230 VAC DC 2096 max 100 mA lt 100 mQ 100 mA 24V Relay switch 1 x watchdog 1 x relay output Relay in ON position 1 5 5 230 Vacypc
97. even better on communication by using monitoring and setting software MiQen Alarm menu on display enables surveying state of ongoing and past alarms In the alarm menu groups of alarms with states of individual alarms are displayed Also connected alarm outputs are displayed in the bottom line If displayed alarm output is highlighted means it is active relay closed For each active alarm a number of alarms is written in a certain group at a certain place Group 1 1M E E 4 5 E Dot stands for alarm not active In example below there was 1 alarm which happened under condition defined in Group1 Alarm1 middle picture Condition for that alarm was U1 250 00 V right picture Alarm activated Relay output 2 middle picture highlighted Out2 OK OK Alarms LCD MC774 Measurements Measurements Present values Settings Min Max values Resets SD card Graphs time Info Graphs FFT Installation Power supply quality 14 11 2012 16 53 36 Demo cycling lt Main menu Survey of alarms In a detailed survey alarms are collected in groups A number of a group and alarm is stated in the first column a measurement designation in the second and a condition for alarm in the third one Active alarm is marked Main menu gt Measurements gt Alarms OK gt Tabelaric presentation of alarms Graphical presentation of alarms In MiQen software all alarms are presented in tabelaric and graphical form as shown in figures above For
98. ex ___ 0 242 BDeviceAttributes softwareversion 1 129 00 17 ___ 0j 243 Devie Attributes hardware version 1 129 00 17 ___ 0j 246 Device Attributes userassigned ID f o 248 DevieAttributes serialnumber W 0 0 250 Device Attributes productname dt 1 0 ___ 0j 252 Device Attributes manufacture name 1 0 request Softwareversion T Sta Tf ata fva 2425 OfHardwareverson T St2 Tf ata jvar OfwerassgnedlDD TSt2 var e __ Ofseralnumber TSt8 ata var as Ofprodctname T Stri Tf ata jvar 2505 O manufacture T_Strz20 Data jvar 2525 Object Object Variation Function Qualifier Function Qualifier Description Number Number Codes hex Codes dec Codes hex dec status Binary output 10 2 1 00 01 06 129 00 01 status Points for object 10 Data OP _ x 2 Lo 4 Slot A Relay1 S SlotA Relay2 _ 6 Slot A Relay3 7 Slot A Relay4 8 Slot A RelayS 8 10 EN 1 2 3 4 5 7 10 Slot A Relay 7 11 Slot A Relay 8 Slot B Relay 1 14 Slot B Relay 3 15 16 18 19 14 SlotB Relay3 15 SlotB Relay4 16 Lm Slot B Relay 5 17 Slot B Relay 6 18 Slot B Relay7 19 Slot B Relay 8 a mg o y LR NEN Hop LONE LUN NENNEN uj
99. f 1 2 3 4 The price for 1 kvarh reactive energy in selected tariff The entered value is multiplied with tariff price exponent Tariff price 10 Exponent 1 kVAh Price in Tariff 1 2 3 4 The price for 1 kvarh reactive energy in selected tariff The entered value is multiplied with tariff price exponent Tariff price 10 Exponent LED Energy Counter Set one of four different Energy counters witch are connected to LED LED Number of pulses Number of pulses per energy unit for LED LED Pulse Length ms Pulse length for LED in milliseconds 51 Quality Analayser MC774 6 Measured Energy For each of eight 8 counters different measured quantities can be selected User can select from a range of predefined options referring to measured total energy or energy on single phase Or can even select its own option by selecting appropriate quantity quadrant absolute or inverse function To energy counter also pulse digital input can be attached In this case Energy counter counts pulses from an outside source water gas energy meter Individual counter Resolution The individual counter resolution additionally defines precision of a certain counter according to settings of common energy counter resolution Tariff Selector Defines tariffs where counter is active Tariff Clock Basic characteristics of a program tariff clock e A tariffs T1 to T4 e Upto 4time spots in each Day program f
100. fo Installation Settings General Date amp Time Connection Communication LCD Security 14 11 2012 16 53 36 Energy Inputs Outputs lt Main menu I O Modules The following I O modules are available MODULE TYPE SLOT NUMBER I O SLOT AO 2 gt N Al 1 2 2 AL 2 PO 2 PI 1 2 2 TI 1 2 2 BI 1 2 1 WO 1 2 1 1xalarm output PLEASE NOTE All modules have double input or output functionality except Bistable alarm output and Watchdog output module All modules with a double input or output are in MiQen presented as two separate modules 54 Quality Analayser MC774 Iskra An alarm output and a pulse output can also be selected with the keypad and display When selecting settings of energy and quadrants for a certain counter only preset selection is possible while more demanding settings are accessible via communication For other modules information on a built in module is available via LCD Analogue output module Analogue output module is useful for control and measurement visualisation purposes It can be connected to analogue meters PLC controllers It has defined output range 20mA DC Quantity and shape up to 6 break points of an analogue output can be assigned by MiQen software Output parameter Output parameter can be any measured value that is required for monitoring recording visualisation or control Value is chosen from a drop down menu Output signal Output signal can be
101. for 60 Hz system e 10 sec e 10min also basic time synchronisation tick interval e 2h It is also possible to set other aggregation intervals according to requirements MC774 Quality Analyser supports additional aggregation intervals 30 sec 1 min 15 min 1 h 82 Quality Analayser MC774 i amp lskra Power and energy flow Figures below show a flow of active power reactive power and energy for 4u connection Display of energy flow direction can be adjusted to connection and operation requirements by changing the Energy flow direction settings Import Export Active power Active power Export Reactive power Import Reactive power P Active power Q Reactive power S Apparent power Q Phase angle 2 z Generator Consumer Explanation of energy flow direction Calculation and display of measurements This chapter deals with capture calculation and display of all supported quantities of measurement Only the most important equations are described however all of them are shown in a chapter Equations with additional descriptions and explanations PLEASE NOTE Calculation and display of measurements depend on the connection used For more detailed information see chapter Survey of supported measurements 83 Quality Analayser MC774 Iskra Keyboard and display presentation For entry and quitting measurements display menu the OK key is used Direction keys lt 5 1
102. g screens are displayed Screen 1 Current phase measurements U Average voltage U V 1 Phase voltage V 2 Phase voltage U V 3 Phase voltage V Average current A 1 Current A 2 Current l A Current l A Screen 2 Current phase to phase measurements U Average phase to phase U 12 Phase to phase voltage U V 23 Phase to phase voltage U3 V 31 Phase to phase voltage U3 V PF Total power factor PF1 Power factor PF PF2 Power factor PF Power factor PF Screen 3 Dynamic MD values P MD active power P positive W P MD active power P negative Q MD reactive power Q L var Q MD reactive power Q C var S MD apparent power S VA 11 MD current 11 12 MD current I2 I3 MD current I3 Example for MC774 at connection 4u Main menu gt Measurements gt Present values gt Overview lt gt Min Max values P1 P2 P3 Q1 Q2 Q3 Current phase measurements Total active power P Active power P4 Active power P Active power Total reactive power Q Reactive power Reactive power Reactive power Var Current phase to phase measurements OD Oo D Frequency f Power angle Power angle o Power angle Average phase to phase angle o Power angle Power angle Power angle Maximal MD values MD active power P positive MD active power P negative MD reactive power Q L MD reactive power Q C MD apparen
103. gation MC774 Main menu Settings Measurements General Date amp Time Resets Connection SD card Communication Info Installation Security 14 11 2012 16 53 36 Energy Inputs Outputs lt Main menu Display settings ee Main menu Settings LCD Contrast Back light Back light time off Demo cycling period sec ee Main menu Settings LCD Demo cycling period Custom screen eze Main menu gt Settings gt LCD gt Custom screen 1 2 3 4 Customized screen 1 Customized screen 2 Customized screen 3 47 Quality Analayser MC774 i amp lskra ustom screen 1 ustom screen z uztom screen 3 U1 11 Select Select Select CTO e Main menu gt Measurements gt Present values gt Custom 1 5002 Security Settings parameters are devided into four groups regarding security level PLO password level 0 PL1 gt password level 1 PL2 password level 2 and BP a backup password PLEASE NOTE A serial number of device is stated on the label and is also accessible with MiQen software Password Level 0 gt PLO Password is not required Available settings e language e contrast and e back light Password Level 1 gt PL1 Password for first level is required Available settings e RTC settings Energy meters reset e Demand reset e Active tariff setting Password Level 2 PL2 Password for second level
104. ge of base unit or as a percentage of RMS value Setting for choice of this relative factor is under General settings see Harmonic calculation setting Main menu Measurements Graphs time Graphs FFT Display of a Phase Voltage in time space diagram Displayed are also peak value of monitored phase voltage and its RMS value Similar display is also for phase to phase voltages Display of a Current in time space diagram Displayed are also peak value of monitored current and its RMS value Display of a Phase Voltage in frequency space diagram Displayed are also RMS value unit value 10096 system frequency and THD value Similar display is also for phase to phase voltages Display of a Current in frequency space diagram Displayed are also RMS value unit value 10096 system frequency and THD value More information about harmonic parameters especially individual harmonic values can be obtained when device is connected to communication and monitoring and setting software MiQen is used Tabelaric presentation of phase voltage harmonic components Graphical presentation of phase voltage harmonic components PLEASE NOTE According to standard IEC 61000 4 7 that defines methods for calculation of harmonic parameters harmonic values and interharmonic values do not represent signal magnitude at exact harmonic frequency but weighted sum of cantered harmonic values and its sidebands More information can be found in mentioned sta
105. grity e Protection fuse for voltage inputs recommended maximal external fuse size is 6 A e External switch or circuit breaker must be included in the installation for disconnection of the devices aux power supply It must be suitably located and properly marked for reliable disconnection of the device when needed e Integrity of earth terminal e Proper connection and voltage level of I O modules Important A current transformer secondary should be short circuited before connecting the device Auxiliary power supply can be LOW range 19 70VDC 48 77VAC Connecting device with LOW power supply to higher voltage will cause device malfunction Check devices specification before turn it on Real time clock As a backup power supply for Real time clock supercap is built in Support time is up to 2 days after each power supply down Disposal It is strongly recommended that electrical and electronic equipment is not deposit as municipal waste The manufacturer or provider shall take waste electrical and electronic equipment free of charge The complete procedure after lifetime should comply with the Directive 2002 96 EC about restriction on the use of certain hazardous substances in electrical and electronic equipment BASIC DESCRIPTION AND OPERATION The following chapter presents basic information about MC774 Quality Analyser required to understand its purpose applicability and basic features connected to its operation Besides
106. h EN 93 Quality Analayser MC774 i amp lskra 50160 Display of current status of parameters Some are currently not in compliance with EN 50160 Display of current status of parameters Some are currently not in compliance with EN 50160 Display of current status of parameters Some are currently not in compliance with EN 50160 Online monitoring PQ parameters and over viewing reports is easier with MiQen Tabelaric presentation of PQ parameters and overall compliance status for actual and previous monitoring period For all parameters basic information is shown Actual quality Actual quality is for some parameters expressed as a percentage of time when parameters were inside limit lines and for others events is expressed as a number of events within monitored period Actual quality is for some parameters measured in all three phases and for some only in a single phase frequency Events can also occur as Multi Phase events more about multiphase events is described in following chapters Events are according to EN 50160 evaluated on a yearly basis Actual quality information is therefore combined from two numbers x y as shown in a figure above where X number of events in monitored period Y total number of events in current year Required quality Required quality is limit for compliance with standard EN 50160 and is directly compared with actual quality Result of comparison is actual sta
107. harmonic 1 63 iv 1ph 79 Quality Analayser MC774 6 Instantaneous flicker sensation measured with 150 samples sec original sampling is 1200 smpl sec 10 min statistical evaluation 128 classes of CPF derived from 12 Pst acc to EN 61000 4 15 Miscellaneous K factor Current Crest factor s Further description is available in following subchapters Selection of available measurement quantities Meas type Measurement 3 phase 3 phase 1 4 wire 3 wire Phase to Volt phase NS Unam l ld mum lb _ UDD1 3 harmonic 1 63 UPP 1 3 harmonic 1 F i is ph 63 ABS Upp1 3 harmonic 1 63 i i b ph underdeviation F i gt Uoverdeviation mem gd lg ld Active tariff channel UNEUTRAL EARTH i d fr measurements NEUTRAL meas i i i Dems E _ NEUTRAL err Le Le Irs Maximum Maximum demand MD i5 fe ph measurements Ue demand comments Phase to phase angle of RMS or of base Uunder and Uover are calculated for phase or phase to phase voltages regarding connection mode each counter can be dedicated to any of four quadrants P Q import export L C Total energy is a sum of one counter for all tariffs Tariffs can be fixed date time dependent or tariff input dependent aux voltage is dedicated for neutral earth meas only measured neutral current with
108. hat enables scheduled transmission of data stored in memory to remote data collecting system For more information regarding this feature see chapter PUSH Communication mode Intrduction to Memory Recorders Measurements and alarms are stored in a built in memory in the 8MB flash All records stored in memory are accessible via communication or memory card with MiQen software Device also has a built in function that enables scheduled transmission of data stored in memory to MiSmart system For more information regarding this check chapter PUSH Communication mode Welcome Measurements alarms reports and details of supply voltage quality are stored in a built in memory in the 8MB flash All records stored in memory are accessible via communication or memory card with MiQen software Device also has a built in function that enables scheduled transmission of data stored in memory to MiSmart system For more information regarding this check chapter PUSH Communication mode Reserved for network quality Reserved memory for the network quality analysis 63 Quality Analayser MC774 i amp lskra Memory organisation Devices internal memory has 8MB of total memory space It is divided into 5 partitions which size is defined by the user and 2 fixed partitions User defined partitions are A B C and D recorders that are intended for recording of measurements while all alarms that occurred are recorded in an alarm partition C and D recor
109. his and a counter divider constant a basic calculation prefix for energy cost is defined Counter divider The counter divider additionally defines precision of a certain counter according to settings of common energy exponent An example for 12 345kWh of consumed active energy 50 Quality Analayser MC774 i amp jlskra Common energy exponent O 2 2 Counter divider Example of result displayed 12 345 kWh 12 3 kWh 0 01 MWh Common Tariff Price Exponent Exponent and price represent energy price active reactive common in a tariff The tariff price exponent is used for recording the price without decimal places For example to set a price for tariff 1 to 0 1567 kWh the number in Price for energy in tariff 1 field should be 1567 and Common tariff price exponent should be 4 1567 x 1E 4 0 1567 An example for 12 345kWh of consumed active energy in the first tariff price 0 1567 kWh Common Energy Counter Resolution 1 Wh 100 Wh 100 Wh Individual Energy Counter Resolution 100 Common Energy Cost Exponent 2 Common Tariff Price Exponent Price for energy in Tariff 1 1567 1567 Unit EUR EUR EUR O l B 12 345 kWh 12 3 kWh 0 01 MWh Example of result displayed 1 934 EUR 1 93 EUR 1 EUR 1 kWh Price in Tariff 1 2 3 4 The price for 1kWh active energy in selected tariff The entered value is multiplied with tariff price exponent Tariff price Price 10 Exponent 1 kvarh Price in Tarif
110. icial reading Save settings File of current device settings is stored in SETTING directory File name consists of device serial number and MSF extension In case of file already stored on memory card the device warns if file should be overwritten Load settings For loading settings the files that correspond to the device type are displayed on LCD When a file is selected it is necessary to choose the segments of settings that will be overwritten A number of registers that will be modified is written next to each segment After settings transfer a warning on errors could be displayed Errors occur when the module setting and a memory capacity differ from the used ones in the device A number of settings registers that do not match and are neither modified is displayed after warning Basic settings At transfer of basic settings settings of connections ratios used voltage and current ranges as well as nominal frequency are not changed New settings can influence energy counters if recorded in a memory Alarms Settings of all alarms are changed but old alarms with previous settings remain in the memory Recorders Recorder overwriting enables modified setting of connection ratio used voltage and current ranges as well as nominal frequency All other data in a memory is lost Firmware upgrading Before upgrading files on memory card are checked first this can last some time approx 1 minute When both versions are displayed u
111. ion mode only phase to phase voltages are measured Because of that factor V3 is applied to calculation of quality considering nominal phase voltage For 4u connection mode measurements support is same as for 1b 78 Quality Analayser MC774 i amp jlskra Meas type Measurement 3 phase 3 phase 1 phase comments 4 wire 3 wire Phase Voltage measurements Uys gius P DC component of phase U1 3 pc iv 1 voltages 11 3 RMS iv 1ph RMs lavG IN IN IN Power gt P1 3 Rus iv IS B S 1 ProT reactive power can be calculated as a squared difference between S and P or as delayed sample v Q1 3 RMS Qror RMs 51 3 RMS n IN IN Sror RMs a a PF1 3 Rms 1 3 RMS PA Power angle a a Harmonic analysis THD U iv 1ph THD I 3 toh TDD I1 3 iv 1ph U1 3 harmonic 1 63 amp of RMS or of base U1 3 harmonic 1 63 ABS lv lv iv 1ph harmonic 1 63 1ph monitoring up to 10 different fixed frequencies of RMS U inter h riionic ABS iv 1ph of base monitoring of signaling ripple voltage of set 3 inter harmonic 96 U 3 signaling 96 TM I I ird of RMS or 96 of lia harmonic 1 63 9 x of RMS or of base 11 3 harmonic 1 63 ABS 1ph 12 3
112. is setting is for alarm purposes only and is independent of max demand calculation settings for monitoring and recording purposes as described in chapter Maximum demand calculation Compare time delay sec This setting defines delay time if required between satisfying the alarm condition and alarm activation If alarm condition is shorter then this setting alarm will not be triggered This setting is used to rule out sporadic and very short duration triggers Histeresis This setting defines alarm deactivation hysteresis When monitord quanitity is close to set limit line its slight variation can trigger numerous alarms Hysteresis should be sett according to estimated variation of monitored quantity Response time This setting defines alarm response on monitored quantity Normal response In this case monitored quantity is averaged according to display averaging settings 0 1 to 5s see chapter General settings Average interval Fast response In this case alarms react on non averaged measurements 1 signal period This setting should be used according to required functionality Fast response is more prone to glitches and transient effects in a system but reaction time is fast Individual alarm settings For each individual alarm different settings are possible 62 Quality Analayser MC774 6 Parameter Voltage Value Actual value Condition u1 4 Aam enabled Action M Switch on Relay Relay C Sw
113. isplay or can be monitored with setting and monitoring software MiQen Readings on display are performed continuously with refresh time dependent on set average interval whereas rate of readings monitored with MiQen is fixed and refreshed approx each second For better overview over numerous readings they are divided into several groups which contain basic measurements min and max values alarms harmonics presented groups depend on measurements and function supported in selected device Each group can represent data in visually favoured graphical form or detailed tabelaric form Latter allows freezing readings and or copying data into various report generation software tools Interactive instrument Additional communication feature of a device allows interactive handling with a dislocated device as if it would be operational in front of user This feature is useful for presentations or product training 77 Quality Analayser MC774 i amp lskra MC774 MiQen 2 1 Setting Studio Eie Jode Baicg Oa f Refresh 33 Tr Goto Device 33 IP Address 10 120 4 118 Port 10001 Modbus TCP Devices fan of Settings Measuremerts Analyse Ul 11 P1 U2 4 Uporades Online harmonic measurements in graphical form and interactive instrument Supported measurements Selection of supported measurements of individual instrument type is changed with the connection setti
114. itch on sound signal Beep Individual Alarms settings Parameter This setting defines a quantity that should be monitored It is also possible to select process quantities from 1 0 modules Value For chosen monitoring parameter an actual value or MD value should be set Condition It is a combination of a logical operator Higher than or Lower than and a limit value of the condition For digital pulse input it is possible to set condition is Is high or Is low Action This section is consists of checkboxes that applies different functions to individual alarms Switch on Relay checkbox can be selected if user wants this alarm to trigger output s that are connected to its group of alarms pulse relay or bistable output module When using relay outputs of I O module A or B also a single alarm can be used as a trigger In this case Switch on Relay setting has no influence Switch on sound signal checkbox would activate built in beeper if this alarm is active Alarm enabled checkbox activates alarm setting Memory Recorders Introduction Measurements alarms PQ reports and details can be stored in a built in memory of measuring instrument 8MB flash This amount of memory suffices for storing EN 50160 compliant PQ reports with details for more than 12 month All records stored in memory are accessible by communication or memory card and can be displayed with MiQen software Device has also a built in function t
115. itored period can be defined for each monitored characteristic The following characteristics are measured and recorded Power Quality indices as defined by EN 50160 Phenomena PQ Parameters Frequency variations Frequency distortion Voltage variations Voltage fluctuation Voltage unbalance Voltage changes Rapid voltage changes Flicker Voltage events Voltage dips Voltage interruptions Voltage swells Harmonics amp THD THD Harmonics Inter harmonics Signalling voltage 6 Quality Analayser MC774 i amp jlskra Main Features supported options and functionality MC774 Quality Analyser is a perfect tool for monitoring and analysing medium or low voltage systems in power distribution and industrial segments It can be used as a standalone PQ monitoring device for detection of local PQ deviations For this purpose it is normally positioned at the point of common coupling PCC of small and medium industrial and commercial energy consumers to monitor quality of delivered electric energy or at medium or low voltage feeders to monitor detect and record possible disturbances caused by unauthorized operation of consumers User can select different hardware modules that can be implemented in device Wide range of variants can cover practically every user s requirements MC774 Quality Analyser is a compact user friendly and cost effective device that offers various features to suit most of the requirements for a demanding power s
116. its own subdirectory before data transfer Each subdirectory uses a device serial number as its name and stores files with data in it Each file name contains date year month and day and a record sequence number of that day When uploading data file to memory card and there is a file with sequence number 99 of that day a file with sequence number 00 is generated File with sequence number 00 of that day is overwritten in case of any further uploading data that day SETTING Settings are stored in the directory using two recording modes e With a type designation and a sequence number from 1 to 9 e With an device serial number UPGRADE A file with upgrades is available for upload with the MiQen software A file has a name of a corresponding device type designation and suffix fl2 e g MC7XX FL2 73 Quality Analayser MC774 Automenu txt i amp jlskra For faster and easier upgrading of the firmware there is Automenu txt file in the root directory When an memory card with a file is inserted and if upgrade version is higher display automatically jumps into the memory card menu and suggests the Software upgrade menu otherwise it automatically jumps into the Save data menu When upgrading is finished and the OK key is pressed and memory card is removed the menu that was displayed before inserting the memory card is displayed Automenu txt file can be created by the user by means of the text editor A new file has to be opened
117. ll understood and set to a proper value Average interval for measurements and display Due to readability of measurements from LCD and communication an Average interval can be selected from a range of predefined values from 0 15 to 5 s The Average interval see chapter Average interval defines refresh rate of displayed measurements Alarms response time is influenced by general average interval if their response time setting is set to Normal response If it is set to Fast response alarms depend on a single period measurement This average interval has no influence on PQ measurements Average interval for min max values Min and max values often require special averaging period which enables or disables detection of short measuring spikes With this seeting is possible to set averaging from 1 period to 256 periods Average storage interval for recorders This storage interval defines a period for writing data into internal memory It can be set from 1 min to 60 min At the end of every interval different types of measured data can be stored into recorder see General purpose recorder settings Average aggregation interval for parameters Standard IEC61000 4 30 defines different aggregation intervals and procedures for aggregation of measured PQ parameters For each PQ parameter it is possible to set required aggregation interval Standard aggregation intervals are e 10 periods 12 for 60 Hz system e 150 periods 180
118. local Ethernet communication network Other available Ports Other allowed TCP ports are acting as terminal port and when connected to it it blocks all other connections until it is released Priority when connected to this port has PUSH functionality of the device 4 E c T 3 When any other allowed port is used only a single connection is possible 42 Quality Analayser 774 i amp lskra Subnet Mask It is used to determine what subnet an IP address belongs to Gateway Address It is a gateway that connects separate network segments LAN WAN or internet NTP Server IP address of a NTP server used for time synchronisation of the device NTP can usually maintain time to within tens of milliseconds over the public Internet but the accuracy depends on infrastructure properties asymmetry in outgoing and incoming communication delay affects systematic bias PLEASE NOTE It is recommended that dedicated network rather than public network is used for synchronisation purposes Factory settings of Ethernet communication are IP Address DHCP automatically TCP Port Terminal Port 10001 Subnet Mask 255 255 255 0 Push communication settings When PUSH communication mode is used data can be sent pushed to two different servers Within this setting all parameters relevant to used servers should be set as well as data type for sent data time synchronization source and s
119. lue gt value identz I2 unitz A gt 1 50 lt value gt value identz I3 unitz A gt 3 58 lt value gt value ident P1 unit W gt 0 063e 03 lt value gt lt value ident P2 unit W gt 0 101e 03 lt value gt lt value ident P3 unit W gt 0 281e 03 lt value gt value identz P unit W gt 0 11e 03 lt value gt value ident Q unit var gt 1 37e 03 lt value gt lt value ident E1 unit Wh gt 19620e 01 lt value gt lt value ident E2 unit varh gt 6e 01 lt value gt lt value ident E3 unit Wh gt 1303391e 01 lt value gt lt value ident E4 unit varh gt 2999595e 01 lt value gt value ident ePF unitz 0 0820 value lt data gt Example of acknowledgement package lt ack logld 033220002 datetimeUTC 2008 01 31 23 00 50 000 gt lt ack gt 131 Quality Analayser MC774 Printed in Slovenia Subjects to change without notice 022 601 446 aliskra Iskra d d Stegne 21 SI 1000 Ljubljana Slovenia Phone 4 386 1 51 61 000 Fax 386 1 51 11 532 www iskra eu iskra iskra eu
120. mum MD or Maximum MD Different parameters can be set for Recorded parameters 1 8 17 24 and 9 16 25 32 This setting is only available for recorders A and B Push settings When PUSH communication mode is active all measurements which are set to be written to the memory can be sent pushed to a predefined location inside local or wide area network from the time that PUSH functionality has been activated not for the past records Settings allow choosing an appropriate destination for data to be sent time interval of sent data and a delay time for sending data if they cannot be sent immediately due to restrictions in network For more information about PUSH functionality see chapter PUSH Communication mode Push settings Push data to link Defines the communication channel for pushing data to clients Push settings Pushing period Defines a time period for pushing data to clients Reading events and PQ reports witch are recorded in internal memory can be also periodically user defined sent to a client For more information about Push system see Users Manual Push settings Pushing time delay Defines if data should be send immediately after pushing period condition is achieved or a time delay is used for client discharge Recorder parameter 1 16 1 32 Monitoring quantity can be selected from a list of supported measurements Recorder measurements group Defines the measurements which will be recorded Memory operation M
121. nactivity Saving mode min Defines the time in minutes for the instrument to get into energy saving mode backlight off Enter value 0 if you don t want to use energy saving mode 46 Quality Analayser MC774 i amp lskra Demo cycling period sec For demonstration purposes it is useful for device to automatically switch between different displays of measurements This setting defines time in seconds for each displayed screen of measurements Custom screen 1 2 3 For easier and faster survey of measurements that are important for the user three settings of customized screens are available Each customized screen displays three measurements When setting customized screens the designations are displayed in shorter form with up to 4 characters For survey of all designations see chapter Survey of supported measurements regarding connectio Example Desired result Customized screen 1 Customized screen 2 Customized screen 3 Combined customized screen 4 U1 1 3 RMS U1 Up p avg In f Up p avg UUNBALANCE lave THD I1 UUNBALANCE In PLEASE NOTE Customized screens defined here are selected in menu lt r 239 Main menu gt Measurements gt Present values gt Custom Setting can be made only for 3 customized screens 4 customized screen is showing 5 parameters three from Customized screen 1 and first two from Customized screen 2 See example above LCD navi
122. nals see table Survey of communication connection Serial RS232 as secondary communication COM2 additional communication module Operates as an independent communication Separate communication parameters can be set for this communication module Communicaton connection RS485 RS485 communication is intended for connection of devices to network where several devices with RS485 communication are connected to a common communication interface We suggest using one of the Iskra Sistemi d d communication interfaces For proper operation it is necessary to assure the corresponding connection of individual terminals see table on next page Serial RS485 as secondary communication COM2 additional communication module Operates as an independent communication Separate communication parameters can be set for this communication module Communication for Analogue extender EX104 COM2 additional communication module Operates as an predefined RS485 communication that can be used for data transfer between measuring centre and analogue extenders EX104 18 Quality Analayser MC774 i amp jlskra Ethernet Ethernet communication is used for connection of device to the Ethernet network for remote operation Each device has its own MAC address that at some cases needs to be provided and is printed on the label on the device USB USB communication serves as a fast peer to terminal data link The device is detected by host as a USB 2 0 compatible
123. ndard Tabelaric presentation of 10 phase voltage interharmonic components Graphical presentation of phase voltage interharmonic component 92 Quality Analayser MC774 6 Analysis Measurements Measurements Present values Settings Min Max values Resets Alarms SD card Graphs time Info Graphs FFT Installation Power supply quality 14 11 2012 16 53 36 Demo cycling lt Main menu PQ analysis is a core functionality of MC774 Quality Analyser PQ Power Quality is a very common and well understood expression However it is not exactly in accordance with its actual meaning PQ analysis actually deals with Quality of Supply Voltage Supply Voltage is a quantity for quality of which utility companies are responsible It influences behaviour of connected apparatus and devices Current and power on the other hand are consequence of different loads and hence responsibility of consumers With proper filtering load influence can be restricted within consumer internal network or at most within single feeder while poor supply voltage quality influences much wider area Therefore indices of supply voltage alias PQ are limited to anomalies connected only to supply voltage Power Quality indices as defined by EN 50160 Phenomena PQ Parameters Frequency variations Frequency distortion Voltage variations Voltage fluctuation Voltage unbalance Voltage changes Rapid voltage changes Flicker Voltage events Voltage dip
124. ng serial communication please note that only RS232 or RS485 should be used and not both at a time Connector terminals that are not used should remain unconnected otherwise the communication could not work properly Beside primary communication port the device has built a secondary communication port COM2 as a part of a real time synchronisation module C Its operation is described in a chapter referring to a real time synchronisation Serial communication via Synchronisation module C COM2 Connect a communication line by means of a corresponding terminal Communication parameters are stated on the device label regarding the selected equipped type of communication Connector terminals are marked on the label on a devices rear side More detailed information on communication is given in chapter Communication COMMUNICATION TERMINAL RS485 RS232 Example of a label for RS232 and RS485 communication with a pluggable screw terminal connector COMMUNICATION Ethernet MAC No 00 1B DF 54 7B 4A USB 2 0 Type B Example ofa label for Ethernet USB communication module equipped with RJ 45 and USB B type connector COMMUNICATION Example of a label for USB communication with USB B type connector USB2 0 Type B Communicaton connection RS232 RS232 communication is intended for direct connection of the Measuring centre to the personal computer For proper operation it is necessary to assure the corresponding connection of individual termi
125. ngs All supported measurements could be read via communication MiQen or displayed on display depends on device hardware Available connections Different electric connections are described more in detail in chapter Electrical connection Connections are marked as follows e Connection 1b 1W Single phase connection e Connection 3b 1W3 Three phase three wire connection with balanced load Connection 4b 1W4 Three phase four wire connection with balanced load Connection 3u 2W3 Three phase three wire connection with unbalanced load Connection 4u 3W4 Tree phase four wire connection with unbalanced load PLEASE NOTE Measurements support depends on connection mode the device type Calculated measurements for example voltages U1 and U2 when 3 phase 4 wire connection with a balanced load is used are only informative Selection of available quantities Available online measuring quantities and their appearance can vary according to set type of power network and other settings such as average interval max demand mode reactive power calculation method Complete selection of available online measuring quantities is shown in a table on the next page PLEASE NOTE Measurements support depends on connection mode the device type Calculated measurements for example voltages U and U when 3 phase 4 wire connection with a balanced load is used are only informative PLEASE NOTE For 3b and 3u connect
126. nication mode device master is sending values of predefined quantities in predefined time intervals to two independent servers data collectors slave who collect data into data base for further analysis This mode of communication is very useful for a periodic monitoring of readings in systems where real time data are not required but on the other side reliability for collecting data is essential e g for billing purposes post processing and issuing trend warnings On the other hand when operating in this mode the device will send information about alarms immediately as they occur real time alarm monitoring This type of communication also optimizes communication traffic Protocol and data format Device uses XML format to send the data which is very common and easy to use also for third party software solutions Protocol used for data transmission is TCP IP All sent readings are time stamped for accurate reconstruction of received data if communication is lost and data is sent afterwards Therefore time synchronization of client and server is essential For that purpose server sends synchronization data packet to the device within every response to received data If time difference is higher than 2s device resets its internal clock For more information about used XML format see Appendix D Time synchronisation with push system has the lowest priority If any of other time synchronisation sources is available GPS NT
127. nization If also all phase currents are smaller than Starting current for PF and PA setting synchronization is not possible and frequency displayed is O The value for starting voltage should be set according to conditions in a system level of noise random voltage fluctuation ud 36 Quality Analayser MC774 i amp jlskra Harmonics calculation Relative harmonic values can be different according to used base unit According to requirements relative harmonics can be calculated as e percentage of RMS signal value current voltage or e percentage of the fundamental first harmonic Reactive power amp energy calculation Harmonic distortion can significantly influence reactive power and energy calculation In absence of harmonic distortion both described methods will offer the same result In reality harmonics are always present Therefore it is up to project requirements which method is applicable User can select between two different principles of reactive power and energy calculation Standard method With this method a reactive power and energy are calculated based on assumption that all power energy which is not active is reactive Q2 2S2 P2 This means also that all higher harmonics out of phase with base harmonic will be measured as reactive power energy Displacement method With this method reactive power energy is calculated by multiplication of voltage samples and by 90 displaced current samples
128. nning of current time interval in which data was sent yyyy mm dd hh mm ss e ident 10 code of particular reading e tFunc thermal function 12 ON 0 OFF e condition 1 lower than 0 higher then e condVal limit value e almNum alarm serial number e unit Measuring Parameter Unit V A VA W VAr e tinterval sampling interval in minutes e dst daylight savings time in minutes e tzone timezone in minutes Example of alarms data package data logld 033350088 app ML storeTypez alarm dataProvider xml001 controlUnit MC004475 part E datetimeUTC 2009 07 15 21 29 07 dst 60 tzone 60 gt value ident U1 unitz V tFunc 0 cond 0 condVal 200 00 almNum 01 gt 100 lt value gt value ident U2 unitz V tFunc 0 cond 0 condVal 200 00 almNum 02 gt 101 lt value gt value ident U3 tFunc 0 cond 0 condVal 200 00 almNum 03 gt 99 lt value gt lt data gt 130 Quality Analayser MC774 i amp jlskra Example of readings data package data logldz 033324218 appz ML storeType measurement dataProvider xml001 controlUnit MC004475 part B datetimeUTC 2009 09 16 3 00 00 dst 60 tzone 60 tInterval 015 gt value ident U1 unitz V gt 234 47 lt value gt value ident U2 unitz V gt 234 87 lt value gt value ident U3 gt 234 52 lt value gt value ident I1 gt 1 14 lt va
129. nteresting for monitoring but are not required to be part of reports These settings do not have standardised limit values and an be set according to distribution network requirements e Short term flicker limit Pst 1 e Interharmonics 10 values of user defined frequencies Settings for power quality parameters are set with setting and monitoring software MiQen MiQen HELP description clearly marks PQ parameters which are not required as a part of EN 50160 PQ report Below figure shows settings for interharmonic values 70 Quality Analayser MC774 i amp lskra MiQen 2 1 Setting Studio Ele Jools Help Refresh Address 33 Communication error Wr Goto Settings C Program Files 686 MiQen 2 1 Param MC774 msf 3 Holidays ug Inputs amp Outputs n 1 Relay output WP 2 Relay output a TC MEE Hr x Settings n A 8x Digtal input Intetharmonic 5 Frequency Hz 117 3 E 8 x Relay output Intetharmonic 6 Frequency Hz 123 WW IC Synchronisation COM2 ntethamonic 7 Frequency Hz 237 Alarms Intetharmonic 8 Frequency Hz 243 A Alam Group 1 Intetharmonic 9 Frequency Hz 477 Measurements Nam Group 2 Mam Group 3 2 Aam Group 4 5 49 Memory Analysis t Recorder A fl Recorder B Recorder C e Recorder D a 5 lf Power supply quailty Upgrades f Frequency vanations A Voltage variations 5 Voltage chang
130. nts first momentary value within selected storage interval Note that momentary value is not a single period value but an average 0 1 s to 5 s see chapter General settings Average interval It applies only to recorders C and D Minimum and Maximum Period values represent min or max value within selected storage interval calculated in a single period This function allows recording of very fast changes It applies only to recorders C and D Value for mc350 Representation of a value within set monitoring interval can be set to different conditions Average value represents calculated average value 65 Quality Analayser MC774 6 Actual value represents value of recorded quantity at sampling intervals Minimum and Maximum value represents minimum or maximum of recorded quantity in selected storage interval Minimum or maximum in this case represents averaged value according to average interval selected in General settings MD time constant 1 8 and 17 24 min When max demand needs to be recorded this setting sets a period for calculation of maximum and minimum value in thermal mode Minimum MD or Maximum MD Different parameters can be set for Recorded parameters 1 8 17 24 and 9 16 25 32 This setting is only available for recorders A and B MD time constant 9 16 and 25 32 min When max demand needs to be recorded this setting sets a period for calculation of maximum and minimum value in thermal mode Mini
131. o SlotA Relay6 T1 LC ujo ufo ufo EE 1 EE oo y m o Ej ER mi 123 Quality Analayser MC774 Iskra Object Object Variation Function Qualifier Function Qualifier Description Number Number Codes dec Codes dec Codes hex 00 01 30 4 16 Bit Analog Input without flag 1 06 129 00 01 Points for object 30 Tus TL Tess Tus T T uz ne ose un sun fea e Sd ose on sun L 3 vavg phase toneutral r6 oaa un sun Lauro Lose n sun s uz ne ose on sun e uxi ne ose on sun 7 uave phase to phase fome on sun spo mne gt ne Si ata in ofa esi ne ose 3s Ts 22 neutral eateutated tis ose _ in ein L 13 I neutral measured 6 ost n ein Lam id ose in s
132. ocol enables operation of device on Modbus networks For device with serial communication the Modbus protocol enables point to point for example Device to PC communication via RS232 communication and multi drop communication via RS485 communication Modbus protocol is a widely supported open interconnect originally designed by Modicon In this document main modbus registers are listed For complete latest Modbus table please visit ISKRA SISTEMI web site The memory reference for input and holding registers is 30000 and 40000 respectively PLEASE NOTE For the latest and complete MODBUS table please visit Iskra Sistemi web page 109 Quality Analayser MC774 i amp lskra Register table for the actual measurements MODBUS Parameter Register Start 30101 0105 0107 0109 0111 0113 0118 0120 0122 0124 0485 0126 0128 0130 0132 0134 0136 0138 0144 0146 0140 0150 0152 0154 0148 0158 0160 0162 30156 UJ Slolololoalololtalialoliolalolololaloeloloeliololololololoica me D N me D OO U1 OY OV OD D AA Ul 110 Quality Analayser MC774 i amp jlskra Register table for the actual measurements cont MODBUS Parameter e di PowerAndeU1 Boana 3 T7 PowerAngeU2 2 1301074 PowerAngeU3 I3 130175 TI7 O AnglebetweenlInandUn
133. or tariff switching e Whichever combination of valid days in a week or holidays for each program e Combining of day groups use of over 4 time spots for certain days in a week e Separate settings for 4 seasons a year e Upto 20 settable dates for holidays Day program sets up to 4 time spots rules for each day group in a season for tariff switching A date of real time clock defines an active period An individual period is active from the period starting date to the first next date of the beginning of other periods The order of seasons and starting dates is not important except when two dates are equal In that case the season with a higher successive number has priority while the season with a lower number will never be active If no starting date of a season is active the active period is 1 If the present date is before the first starting date of any period the period is active with the last starting date Example of settings Season Season start day Season 1 15 02 Season 2 30 10 Season 3 Season 4 01 06 Date Active season 01 01 14 02 2 last in the year 15 02 31 05 1 01 06 29 10 4 30 10 31 12 2 5 02 1 06 3 5 02 1 06 30 10 14 02 15 31 05 126 29 102010 14 02 31 05 106 29 1020 52 Quality Analayser MC774 6 Days a week and selected dates for holidays define time spots for each daily group in a period for tariff switching Dates for holidays have priority over
134. ory For more information about PUSH functionality and XML data format see chapter PUSH Communication mode Push data to link When PUSH communication mode is used a data receiving server client link should be defined Data can be sent according to a type of used communication interface to COM1 TCP link 1 or TCP link 2 For definition of PUSH links see PUSH communication settings Alarms are unlike recorded values sent to chosen link immediately after occurrence Therefore settings for pushing period and time delay are not applicable Pushing period Defines a time period for pushing data to clients Readings events and PQ reports which are recorded in internal memory can be also periodically user defined sent to a client For more information about Push system see Users manual Pushing time delay Defines if data should be send immediately after pushing period condition achieved or a time delay is used for client discharge Alarms group settings Measuring instrument supports recording and storing of 32 alarms that are divided into 4 groups of 8 alarms Each group of alarms has some common settings applicable for all alarms within this group Alarm settings Measuring centre supports alarm functionality 16 alarms divided in 2 groups 2 x 8 alarms can be set For each group of alarms a time constant of maximal values in thermal mode a delay time and alarm deactivation hysteresis can be defined Quantity value a current value or
135. our events and in a statistics table Time graphical display Graphs time All time graphs of measured signals are made in the same way In the upper part of LCD there is a measurement designation that is followed by a pea to peak signal value and on the extreme right there is RMS value In the central part of LCD a signal shape is drawn For a better survey of the measured signal a scale is automatically adapted to the peak to peak signal value Example Main menu Measurements Graphs time Phase voltage OK Display of time flow of voltage signals U4 U and U3 Phase voltage Main menu gt Measurements gt Time graphs gt Phase voltage OK gt Phase to phase voltage Display of time flow of phase to phase voltage signals U12 U23 and U3 Main menu gt Measurements gt Time graphs gt Phase phase voltage OK gt Current Display of time flow of current signals l4 1 and ls Main menu gt Measurements gt Time graphs gt Current OK gt 96 Quality Analayser MC774 i amp lskra FFT graphical display Graphs FFT All FFT graphs of the measured signals are made in the same way In the upper right angle of LCD the following measurements are stated e Designation of measurement with current RMS value e Value of first harmonic e Current frequency e THD signal value The remaining part is used for a bar graphic display of relative values of harmonics regarding the first one For better resolution fir
136. pgrade can be performed if the device software version is lower or equal to the version in a file When upgrading firmware software remove memory card and do not interrupt power supply the device could become inoperative Repairing of device in this case is to be done by authorized service Upgrade error codes Error 1 memory card not inserted Error 2 Error on FAT16 file system Error 3 File not exist f12 75 Quality Analayser MC774 Iskra Error 4 Error in fl2 file Error 5 File too long 12 Error 6 Invalid file 12 Error 7 Incorrect upgrade version 12 LCD navigation Memory card information Device checks a file system and capacity of the inserted memory card o 629 Main menu gt SD card gt SD info Official reading Example 3 9 Main menu gt SD gt Save data 481 4 1 ransferrina aOogHkB SSkB SOSkB OOO ee SB es ee aeg A4d61 Press OK Start Example of a display on LCD for MC774 3 9 Main menu gt SD card gt Load settings ad se nad settings See 5164 bytes McCrea 5844 B 1 MC S6Bd 2 5842 bytes Alarms MCPeG S JBZ bytes MCT amp 8 4 5854 butes X Recorders settings 1f 636 changes A 638 errors Press OK Lo complete Ppkook Select MEASUREMENTS MC774 Quality Analyser performs measurements with a constant sampling frequency 31 kHz
137. ptions 1 2 2 x Relay output 230 V DC AC 1 7 1000 mA 2 ae 3 4 1 x Bistable al output 230VDCIAC __ 1000 mA Alarm relay output module with two outputs Bistable alarm output module keeps the state also in case of device power supply failure Pulse output solid state module with two pulse outputs for energy counters I O 1 2 Watchdog Relay output Status watchdog output module enables proper device 230 V 1 7 operation supervision on one output WD and alarm output 1000 mA 2 4 functionality on the other 1 2 2 x Analogue output 1 15 Analogue output module with two analogue outputs 0 20 mA 0 20 proportional to measured quantities Rmax 150 Q 17 14 Quality Analayser MC774 i amp lskra 1 0 module 1 and 2 terminal numbers 15 20 input options 1 2 2 x Tariff input 15 Tariff input module with two tariff inputs for changeover between up to four tariffs Digital input module with two digital inputs enables 230 V DC AC reception of impulse signals Pulse input module enables reception of pulses from various counters water gas heat flow I O 1 2 Analogue input module enables measurements of DC U I R 2 x Analogue input or temp PT100 PT1000 values from external sources Modules have different hardware so programming is 20 0 20 mA possible within one quantity
138. r of pulses per energy unit should be in certain limits according to expected power Otherwise the measurement from pulse output can be incorrect Settings of current and voltage transformer ratios can help in estimation of expected power Principle described below for pulse setting satisfies EN 62053 31 2001 standards pulse specifications 15 15 eW 100 eWh exponent M pulses Examples Expected power Pulse output settings 150 1500 kW 1p 1kWh 1 5 15 MW 100 p 1MWh 15 150 MW 10 p 1MWh 150 1500 MW 1p 1MWh Digital input module Module has no settings General purpose is to collect digital signals from various devices such as intrusion detection relay different digital signals in transformer station industry It is available in three different hardware versions It can also be included in alarm function see chapter Alarms Pulse input module Module has no settings It is general purpose pulse counter from external meters water gas heat Its value can be assigned to any of four energy counters See chapter Energy It can also be used as digital input and included in alarm function to monitor signals from different sensors see chapter Alarms Pulse input module has only one hardware configuration 5 48 V DC Tariff input module Module has no setting It operates by setting active tariff at a tariff input see chapter Tariff clock The device can have maximal one
139. response average interval shall be set to minimum 1 periode 2 Communication module COM2 Module is preset for RS485 communication on 1 0 4 terminals Module settings define parameters that are important for the operation in RS485 network Factory settings of communication are 33 115200 n 8 2 address 1 to 247 rate 2400 to 115200 b s parity data bits stop bit By default addresses of COM1 and COM2 are the same 33 In this case change of COM1 address sets COM2 to the same address When COM1 and COM addresses not equal change of COM1 address has no influence on COM address Change of COM2 address has no influence on COM1 address U MT5xx can be connected to the same network using COM1 or COM2 if available Auxiliary I O Modules A amp B MC774 Quality Analyser is equipped with two auxiliary I O slots The biggest difference in functionality between main and auxiliary I O modules is in response time Digital inputs and outputs do not have as fast response time as with main I O modules The following auxiliary I O modules are available List of available auxiliary I O modules Module type Number of modules per slot Digital output DO 58 Quality Analayser MC774 i amp jlskra Digital input DI 8 State of the built in input and or output module can be monitored also via LEDs on the front panel of the device Digital input module Module has no settings Their purpose is to collect digital signals from vario
140. rmonic n number of harmonic Phase to phase voltage THD value of first harmonic n number of harmonic CREST factor lg RMS value of phase current bgg Peak value of current within cycle Kfactor L value of max load current fixed user defined value n number of harmonic Pst Short tenn flicker intensity Short term fic ker intensity is measured in 10 minute penods P flicker levels that are exceeded by x36 ina 10 minute penad 2 Py represents a flicker level that is exceeded by 0 1 samples Pit Long term flicker intensity Calculated from twelve successive values of short term fic ker Intensity in a two hour period Total exponent of tariff price and energy price in all tariffs 129 Quality Analayser MC774 i amp lskra APPENDIX D XML DATA FORMAT Explanation of XML data format All data which is prepared to be sent at next time interval is combined into element data It comprises of elements value which contain all information regarding every single reading Attributes of element value are e logld Identification code of data package It is used as a confirmation key and should therefore be unique for each device e app application type e storeType data type Measurement or alarm or quality report e dataProvider xml001 e controlUnit Serial number of the device that sent this data e part rekorder e datetimeUTC UTC date and time of the begi
141. rtance of harmonic analysis special standard IEC 61000 4 7 defines methods for measurement and calculation of harmonic parameters Measuring instrument measures harmonics up to 63 and evaluates following harmonic parameters Phase Voltage harmonic signals and THD Up Phase to phase Voltage harmonic signals and THD Upp Current harmonic signals and THD TDD total demand distortion for phase currents CREST factor for proper dimensioning of connected equipment K factor for proper dimensioning of power transformers Interharmonics 10 user defined interharmonic values Signalling voltage monitoring ripple control signal PLEASE NOTE Interharmonics are available only on communication All of the listed harmonic parameters can be monitored online stored in internal memory where avaliable not all at a time and compared against alarm condition threshold limit The latter is in combination with alarm relay output suitable for notification and or automatic disconnection of compensation devices when too much harmonics could threaten capacitors Display of harmonic parameters Harmonic parameters can be displayed on devices LCD in graphical form and as a data Representation of individual harmonics consists of Absolute value Relative value Phase angle between base and observed harmonic 91 Quality Analayser MC774 i amp jlskra PLEASE NOTE Relative value can be calculated as a percenta
142. ructions regarding connection of Synchronisation module C can be found in chapter Connection of Synchronisation module C PLEASE NOTE Serial communication built in Synchronisation module C can under certain conditions be used as an independent secondary communication GPS time synchronization For proper GPS synchronisation two signals are required e 1 with TTL voltage level and e NMEA 0183 coded serial RS232 communication sentence GPS interface is designed as 5 pole plugable terminal 45V for receiver supply 1pps input and standard RS232 communication interface Proposed GPS receiver is GARMIN GPS18x S p wu PLEASE NOTE When connecting GPS to serial RS232 communication interface please take into consideration required communication parameters For proposed GPS receiver default communication speed is 4800 b s IRIG time code B IRIG B Unmodulated DC 5V level shift and modulated 1 kHz serial coded format with support for 1pps day of year current year and straight seconds of day as described in standard IRIG 200 04 Supported serial time code formats are IRIG BOO7 and IRIG B127 For technical specifications see chapter Technical data 59 Quality Analayser MC774 i amp jlskra Serial communication COM2 If device uses RTC synchronisation over NTP server via Ethernet module IRIG B or only 1PPS without date synchronisation serial communication port of RTC Synchronisation module C i
143. s Voltage interruptions Voltage swells Harmonics amp THD THD Harmonics Inter harmonics Signalling voltage For evaluation of voltage quality device can store main characteristics in the internal memory The reports are made on the basis of stored data Data of the last 300 weeks and up to 170 000 variations of the measured quantities from the standard values are stored in the report which enables detection of anomalies in the network MiQen software offers a complete survey of reports with a detailed survey of individual measured quantities and anomalies A survey of compliance of individual measured quantities in previous and actual monitored periods is possible Online monitoring When all PQ parameters are set and analysis is enabled information about settings for PQ analysis can be found in a chapter Conformity of PQ according to EN 50160 PQ starts with defined date and starts issuing weekly reports if monitoring period setting is set to one week MiQen software enables monitoring state of actual period and of previous monitoring period Both periods can be overviewed on a devices display as well Main menu Measurements Power supply quality Actual period Previous period Example of report for actual period generated on devices display More detailed information about is available on communication Basic information about actual monitoring period Period is not completed and currently not in compliance wit
144. s dec Codes hex Codes dec Codes hex 60 CLASS DATA 60 2 CLASS1DATA ___ 60 3 CLASS 2 DATA 60 CLASS 3 DATA only object 30 126 Quality Analayser MC774 i amp lskra APPENDIX C EQUATIONS Definitions of symbols No Symbol Definition 1 Average interval 2 Phase voltage U or U3 3 Phase to phase voltage U12 U23 or U31 4 Total number of samples in a period 5 Sample number 0 s n lt N 6 Xy Phase number 1 2 or 3 7 Current sample n 8 Ug Phase voltage sample n 9 Phase to phase voltage sample n 10 Power angle between current and phase voltage f l4 Pl or R 11 Voltage unbalance 12 U Agreed supply voltage Voltage Phase voltage N samples in averaging interval up to 65 Hz Phase to phase voltage u U phase voltages U N anumber of samples in averaging interval Voltage unbaimnce Uana first harmonic of phase to phase voltage Current Phase current M samples in averaging interval up to 65 Hz Neutra current i n sample of phase current 1 2073 N samples in averaging interval up to 65 Hz 127 Quality Analayser MC774 i amp jlskra Power 1 260 P R B B SignQ 9 o elo 18t0 SiznQ 9 1 e 180 360 SiznQ o 1 amp 5 8 5 Q SignQ o 5 E 2 xev Q Q 0 p arctanX P Q 1802 179 9 128 Quality Analayser MC774 Active power by phases H a number of periods
145. s free to be used as a secondary communication port COM2 Either RS232 or RS485 communication can be used COM1 and COM2 are completely independent and can be used for the same purpose and at the same time Module settings define parameters which are important for the operation in RS485 network or connections with PC via RS232 communication Factory settings for serial communication COM2 are MODBUS Address 33 address range is 1 to 247 Comm speed 4800 speed range is 2400 to 115200 Parity none data bits stop bits PLEASE NOTE By default addresses of COM1 and COM2 are the same 33 In this case change of COM1 address sets COM2 to the same address When COM1 and COM2 addresses are not equal change of COM1 address has no influence on COM2 address change of COM2 address has no influence on COM1 address Settings of RTC Synchronisation module C In order to enable synchronisation with GPS or IRIG time code a proper Real Time synchronisation source should be defined as described in a chapter General settings Real Time synchronisation source Alarms Alarms are used for alarming exceeded set values of measured quantities and quantities from different input modules Alarms can also trigger different actions according to their settings e Visual alarms cause special alarm LED to it e When alarm is switched on a red LED on the device front side is blinking See figure below e Sound alarms can cause sound signalisa
146. s with details recorder separate settings can be made Step 1 With MiQen software set proper PUSH Communication settings where time synchronization source response time data format and receiving server s parameters are defined Step 2 Define data quantities for recorder transmission For each part of the recorder select to which of the server s data will data be sent This setting can be made for Alarms Recorder A to D Quality reports and details More information about PUSH data transfer and MiSmart system for collecting of this data can be found on ISKRA web page or in documentation about MiSmart system LCD navigation MC774 Measurements General Settings Date amp Time Resets Connection SD card Info LCD Installation Security 14 11 2012 16 53 36 Energy Inputs Outputs lt Main menu Communication parameters COM 1 Lun 93 9 Main menu gt Settings gt Communication Serial communication 93 9 Main menu gt Settings gt Communication Enthernet communication 93 9 Main menu gt Settings Communication all settings are not supported on keypad Display Display settings Contrast Black light intersity A combination of setting of the contrast and back light defines visibility and legibility of a display Display settings shall be defined in compliance with the conditions in which it will be monitored Economizing mode switches off back light according to the set time of i
147. se saved settings for offline programming or to programme other devices with same settings For more information see OFFLINE programming OFFLINE programming When device is not physically present or is unable to communicate it is still possible to perform OFFLINE programming From MiQen Device Setting window Figure 4 choose Open setting file button From a list of msf files choose either previously stored file a setting file which has been used for another MC774 and stored or a file MC774 msf which holds default settings for this device When confirmed all device settings are displayed similar as with ONLINE programming MXxxx msf file or any other original device setting file should not be modified as it contains device default settings Before adjusting settings according to project requirements save setting file under another name When finished programming all settings can be saved in a setting file with a meaningful name e g MXxxx location date msf This file can be then transferred to a Memory card and used for programming on filed devices which are not accessible with communication Real time measurements Measurements can be seen ONLINE when device is connected to aux power supply and is communicating with MiQen When device is not connected it is possible to see OFFLINE measurements simulation The latter is useful for presentations and visualisation of measurements without presence of actual device In ONLINE mode all
148. st harmonic is not displayed and rating is automatically adapted according to highest harmonic values Example Main menu gt Measurements gt Graphs FFT gt Phase voltage OK OK Display of harmonics of phase voltage signals U and U Phase voltage Main menu gt Measurements gt Time FFT gt Phase voltage OK gt Phase to phase voltage Display of harmonics phase to phase voltage signals U 5 U23 and U3 Main menu gt Measurements gt Time FFT gt Phase phase voltage OK gt Current Display of harmonics of current signals l4 1 and ls Main menu gt Measurements gt Time FFT gt Current OK gt Demonstration measurements Demo cycling Regarding the period that is defined in settings measurement screen cycling is started until any key is pressed Main menu gt Measurements gt Demo cycling OK 97 Quality Analayser MC774 i amp lskra TEHNICAL DATA In following chapter all technical data regarding operation of device is presented Measuring Range Accuracy class Direct connection Standard Class 1 8 18 kW In 5 A IEC61557 12 0 1 8 kW In 1A IEC61557 12 0 18 kvar IEC61557 12 Accuracy MC774 Measured values Active power Reactive power Apparent power Active energy Reactive energy Apparent energy Rms current l 12 I5 I meas In calc Rms phase voltage Uy Uz Ung Rms phase to phase voltage Uiz U23
149. such work shall be carried out by qualified persons The ISKRA SISTEMI Company assumes no responsibility in connection with installation and use of the product If there is any doubt regarding installation and use of the system in which the instrument is used for measuring or supervision please contact a person who is responsible for installation of such system Warnings information and notes regarding designation of the product Used symbos See product documentation Double insulation in compliance with the EN 61010 1standard Functional ground potential Note This symbol is also used for marking a terminal for protective ground potential if it is used as a part of connection terminal or auxiliary supply terminals Compliance of the product with directive 2002 96 EC as first priority the prevention of waste electrical and electronic equipment WEEE and in addition the reuse recycling and other forms of recovery of such wastes so as to reduce the disposal of waste It also seeks to improve the environmental performance of all operators involved in the life cycle of electrical and electronic equipment Compliance of the product with European CE directives 1 Quality Analayser MC774 Iskra Before switching the device ON Check the following before switching on the device e Nominal voltage e Supply voltage e Nominal frequency e Voltage ratio and phase sequence e Current transformer ratio and terminals inte
150. t Indicator parameter unit is Shown above 629 Main menu gt Measurements gt Present values gt Voltage 84 Quality Analayser MC774 i amp lskra Current Device measures real effective rms value of phase currents and neutral measured current Inm connected to current inputs Neutral calculated current Inc Neutral error current le Inm Inc Phase angle between Neutral voltage and Neutral Current In Average current la and a sum of all phase currents It Crest factor of phase currents CRI1 3 All current measurements are available on communication standard and customized displays on LCD 0 9 Main menu Measurements Present values Current Active reactive and apparent power Active power is calculated from instantaneous phase voltages and currents All measurements are seen on communication or are displayed on LCD For more detailed information about calculation see chapter Equations There are two different methods of calculating reactive power See chapter Reactive power and energy calculation Device warns if input signal is too large In this case signal representation is not correct Indicator is shown above parameter unit Main menu Measurements Present values Power Power factor and power angle Power angle or displacement Power Factor is calculated as quotient of active and apparent power for each phase separately cosq cosq COS 3 and
151. t power S MD current 11 MD current I2 MD current I3 All Min Max values are displayed similar as Present values Average interval for min max values Min and max values often require special averaging period which enables or disables detection of short measuring spikes With this seeting is possible to set averaging from 1 period to 256 periods Hz o Var Var VA 88 Quality Analayser MC774 i amp jlskra Display of min and max values Present values are displayed with larger font in the middle of the screen while minimal and maximal values are displayed smaller above and below the present values Example of Min Max screens Tabelaric presentation of min max values Graphical presentation of min max values In graphical presentation of min and max values relative values are depicted Base value for relative representation is defined in general settings Connection mode used voltage current range For phase voltages and for phase to phase voltages the same value is used 89 Quality Analayser MC774 6 Alarms Alarms are important feature for notifying exceeded user predefined values Not only for visualisation and recording certain events with exact time stamp Alarms can be connected to digital alarm outputs to trigger different processes switch closures line breaking motors start or stop It is also very convenient to monitor alarms history This is enabled on display and
152. test is carried out at power supply connection for devices with built in battery jiskra Clock not set for devices with built in super cap when disconnected from aux supply for more then 2 days 25 Quality Analayser MC774 i amp jlskra SETTINGS Settings of measuring centre can be performed via the front keypad and display or remotely using communication and MiQen software version 2 1 or higher Setting is faster and easier by using MiQen Basic and simpler settings are accessible via navigation keypad For new setting to be activated settings file should be transferred to the device via communication MiQen or a memory card where available Setting done via navigation keypad comes in to function after confirmation OK button fallowed by a bit longer sound notification beep MiQen software MiQen software is a tool for a complete programming and monitoring of Iskra Sistemi measuring instruments Remote operation is possible by means of serial RS485 RS232 USB or TCP IP communication in connection with a PC A user friendly interface consists of five segments devices management device settings real time measurements data analysis and software upgrading These segments are easily accessed by means of five icons on the left side see Figure 2 M MiQen 2 1 Setting Studio Ele Tools Bacana a 9 OIG Refresh Address 33 No response
153. th 4 current input calculated neutral current error neutral current difference between measured and calculated 80 Quality Analayser MC774 jiskra E d d _ mwao i id G Further description is available in following subchapters Selection of available measurement quantities Meas type Measurement 3 phase 3 phase 1 comments 4 wire 3 wire measurements RMS MIN i i Fe ph U 1 3 ph UpD i3 ams uo um in _ 11 3 RMS i i ph P4 3 RMs MIN i ph P1 3 MAX i ifr ph ph RMS MIN id did Prot RMs MAX 51 3 MIN F i n ph 51 3 RMS MAX ph 5 RMS MIN Es ph dede SToT_RMS_MAX L Er ph Few oO h We iO G Other Miscellaneous measurements Ue re Date Time w ux ln iub e Ra Ge sues D Ua i GPS Latitude RI 5 GPS Altitude 15 Did Dim synchronization input MW Further description is available in following subchapters Selection of available measurement quantities 81 Quality Analayser MC774 i amp jlskra Explanation of basic concepts Sample frequency A device measures all primary quantities with a constant sampling rate of 31 kHz 625 sample per at 50 Hz Average interval Operation of MC774 Quality Analyser depends on several Average intervals which should all be we
154. that this chapter contains navigational tips description of used symbols and other useful information for understandable navigation through this manual Regarding the options of a Quality Analyser different chapters should be considered since it might vary in functionality and design More detailed description of device functions is given in chapter Main Features supported options and functionality Quality Analyser MC774 is available in housing for panel mounting Specifications of housing and panel cut out for housing is specified in chapter Dimensions Contents Contents and size of a packaging box can slightly vary depending on type of consignment Single device shipment or a very small quantity of devices is shipped in a larger cardboard box which offers better physical protection during transport This type of contents contains Measuring instrument Fixation screws 2 Quality Analayser MC774 i amp jlskra Pluggable terminals for connection of inputs aux Power supply and I O modules CD with full version of this document installation of setting software MiQen required drivers for USB if device is equipped witd USB communication Short installation manual When larger amount of devices is sent they are shipped in a smaller cardboard box for saving space and thus reducing shipment costs This type of contents contains Measuring instrument Fixation screws Pluggable terminals for connection of inputs
155. time interval in all sub windows for sliding windows and stored MD are reset In the same time synchronization of time interval to the beginning of the first sub window is also performed Reset last period MD Thermal mode Current MD value is reset Fixed interval Sliding windows Values in the current time interval and in all sub windows for sliding windows are reset In the same time synchronization of the time interval is also performed Synchronize MD Thermal mode In this mode synchronization does not have any influence Fixed interval Sliding windows Synchronization sets time a period or a sub period for sliding windows to 0 zero If the interval is set to 2 3 4 5 6 10 12 15 20 30 or 60 minutes time in a period is set to such value that some intervals will be terminated at completed hour Time constant interval 15 min 10 min 7 min Synchronization start time 10 42 Time in a period 12 min 2 min 0 min 71 Quality Analayser MC774 i amp jlskra First final interval 10 45 10 50 10 49 Alarm relay 1 2 3 4 Off When using MiQen each alarm output can be reset separately On device manually only all alarm outputs together can be reset Reset Min Max values All Min Max values are reset Reset alarm statistic Clears the alarm statistic It can be made by MiQen software under Alarm settings This setting is only for resetting online alarms statistics displayed in MiQen software Reset alarm
156. tion e When alarm is switched on an audible alarm is given by the device beep It cen be switched off by pressing any key on the front plate see figure below e Alarm ouput alarms can switch digital outputs on main and aux 1 0 modules e According to the alarm signal shape the output relay will behave as shown on figure below Alarm condition can be set for any measured quantity also for quantities measured on Analogue inputs or signals from Digital Pulse input Limit quantity 1 value Measured Lirit t min quantity 2 value LED t min Relay p epei ipeum t min comm Relay i man o 1 0 Resercom d Dil T ul T D 1 imin New values of alarms are calculated in percentage At every modification of connection settings crosscheck if set alarm values are correct 60 Quality Analayser MC774 6 Alarms PUSH functionality When PUSH communication mode is active all alarms can be sent pushed to a predefined location inside local or wide area network Settings allow choosing an appropriate destination for alarm data to be sent Alarm data is sent to the server immediately as alarm s occur If they cannot be sent immediately due to communication problems they are sent at next alarm event or data sending interval whichever occurs first Alarms and time stamps of occurrence are also stored into internal mem
157. toring period All reports and associated anomalies within monitored period are stored in devices internal memory and can be analysed by means of MiQen software Flagged events setting Flagged evens setting specifies actions on data recorded events that has been flagged marked according to flagging concept IEC 61000 4 30 Flagged data are power quality records which has been influenced by one or more voltage events interruptions dips swells The purpose of flagging data is to mark recorded parameters when certain disturbances might influenced measurements and caused corrupted data For example voltage dip can also trigger occurrence of flicker interharmonics In this case all parameters which were recorded at a time of voltage events are marked flagged In later evaluation those flagged records can be omitted from final report by choosing appropriate setting PLEASE NOTE Regardless of this setting readings will be always stored in recorder and available for analysis Flagging only influences PQ reports as a whole Setting Studio Fie Tools View Fle Tool View Heb Y Tools View Hi BA Ddada3get3S3g 2 Refresh 33 Goto Device 33 IP Address 10 120 4 151 Port 100C G25 Oda GgriwvOors Refiesh Addes 33 C Program FilesMiQen 2 1ND sta XD 42 442 8 End Status Rem Anaysis Devices 02 2013 4 1 2013 10 1 2013 O
158. ts lt Main menu Connection mode STO e Main menu gt Settings gt Connection gt Connection mode Setting of current and voltage ratios 93 9 Main menu gt Settings Connection VT primary VT secondary CT primary CT secondary Communication Communication parameters COM 1 They define parameters that are important for the operation in RS485 network or connections with PC via RS232 communication Factory settings of communication are 33 115200 n 8 2 address 1 to 247 rate 2400 to 115200 b s parity data bits stop bit Serial communication Communication parameters only for main communication port COM1 which are important for the operation in RS485 network or connections with PC via RS232 communication Factory settings for serial communication are MODBUS Address 33 address range is 1 to 247 Comm speed 115200 speed range is 2400 to 115200 Parity none data bits 8 stop bits 2 39 Quality Analayser MC774 6 amp PLEASE NOTE Additional settings referring to secondary communication port COM2 via synchronisation module C in MiQen software can be found in chapter RTC Synchronisation Module C COM2 Modbus table for measurements Modbus table MI400 or MT500 compatible With this setting a MODBUS table for measurements and settings is defined MODBUS addresses for measurements and settings can be compatible with previous family of transducers MI400 or with more advan
159. tus of compliance More information about required quality limits can be found in standard EN 50160 94 Quality Analayser 774 i amp jlskra PLEASE NOTE To make the complete quality report the aux power supply for the device should not be interrupted during the whole period for which the report is requested If firmware is updated or power supply is interrupted within a monitoring period quality report is incomplete Status Not complete Graphical presentation of PQ parameters and overall compliance are available only for actual monitoring period e Darker green colour marks required quality e light green colour marks actual quality e Red colour marks incompliance with standard EN 50160 e Grey colour at events marks number of events e MP at events marks Multi phase events records Even more detailed description about can be obtained by accessing reports with details about anomalies in internal memory Structure and operation of internal memory and instructions on how to access data in internal memory is described in chapters Device management and Internal memory After memory has been read information about downloaded data is shown Information about downloaded data with tabs for different memory partitions All information about PQ is stored in Quality reports tab Main window of recorded PQ reports Main window is divided into two parts Upper part holds information about recorded periodic r
160. us devices such as intrusion detection relay different digital signals in transformer station industry According to input voltage range it is available in three different hardware versions For technical specifications see chapter Technical data Digital input can also trigger an alarm see chapter Alarms State of digital inputs can also be monitored for control purposes with SCADA system by reading appropriate MODBUS registers Relay output module Relay output module is a relay switch Its main purpose is to be used as an alarm output For the difference to Relay output module of main I O module 1 or 2 also a single alarm can be used to trigger each output when using Relay output module of main I O module 1 or 2 only a single or a combination of alarm groups can be used as a trigger for each output For additional information regarding alarms see chapter Alarms RTC Synchronization module C In order use Module C for synchronisation purposes it has to be defined as a synchronisation source See chapter Real time synchronisation source RTC synchronisation is essential part of Class A instrument If no proper RTC synchronisation is provided device operates as Class S instrument Quality Analyzer MC774 supports three types of RTC synchronization e GPS time synchronisation via Synchronisation module C e I RIG B time synchronisation via Synchronisation module C e NTP time synchronisation via Ethernet module Inst
161. ut When language is changed from or to Russian character transformation has to be taken in to account Character transformation table gt English or Russian alphabet is stated below Russi LCD navigation MC774 Measurements General Date amp Time Resets Connection SD card Communication Info LCD Installation Security Inputs Outputs lt Main menu The access to the device serial number via a keyboard Example qu 629 Main menu gt Info Meas HC774 ELT TORUM Huality Analyzer Ad 89 20172 I 3d 14h 33 2 09 2012 14 35 85 menu Password Level 1 49 Quality Analayser 774 Iskra 93 9 Main menu gt Settings gt Security gt Password level 1 Password Level 2 93 9 Main menu gt Settings gt Security gt Password level 2 Password locks time gt min STO ee Main menu gt Settings gt Security gt Password lock time Password setting 29 vain menu gt Settings Security Password level 1 Password level 2 Password lock time Password modification 93 9 Main menu gt Settings gt Security gt Password level 1 Password level 2 Password disabling 939 Main menu gt Settings gt Security gt Password level 1 Password level 2 gt AAAA Energy Before modification all energy counters should be read or if energy values are stored in recorders recorder should
162. y of all or non flagged events Multiphase events According to standard EN 50160 events interruptions dips swells should be multiphase aggregated Multiphase aggregation is a method where events which occur in all phases at a same time are substituted with a single multiphase event since they were most likely triggered by a single anomaly in a network However to eliminate possibility of lose of information all events should be recorded Therefore during multiphase anomaly four events are recorded Three events for each phase and an additional multiphase event Phase column in a list of events marks multiphase event with In this example two events occur 3 line and events are multiphase events Definition for multiphase dip and swell is Multiphase event starts when voltage on one or more phases crosses threshold line for event detection and ends when voltage on all phases is restored to normal value Definition for multiphase interruption is Multiphase interruption starts when voltage on all three phases crosses threshold line for interruption detection and ends when voltage on at least one phase is restored to normal value Graphical presentation of multiphase PDIP PINT PSWL event detection Voltage event details are displayed in two ways First as a list of all events with all details and second in a table according to UNIPEDE DISDIP specifications Presentation of Dips and Interruptions in a list only f
163. ystem management PQ analysis in compliance with EN 50160 with automatic report generation High accuracy in compliance with Class A 0 196 EN61000 4 30 Measurements of instantaneous values of more than 140 quantities including harmonics flicker power line signalling voltage unbalance Four quadrant energy measurement with class 0 2S for active energy 8 programmable counters up to four tariffs tariff clock Recording all measured parameters including all voltage and current harmonics up to 65 32 adjustable alarms anomalies and quality reports in the internal memory Automatic range selection of 4 current and 4 voltage channels max 12 5 A and 1000 Vrms with 32 kHz sampling rate MODBUS and DNP3 communication protocols Support for effective sub metering applications comprehensive counters settings tariff and cost management Support for GPS IRIG B modulated and digital and NTP real time synchronisation Up to 20 inputs and outputs Multilingual support User friendly setting and evaluation software MiQen CE certification 7 Quality Analayser MC774 Iskra General hardware Features Default Optional SE General Class A measuring accuracy according to EN 61000 4 30 Voltage auto range to 1000Vp pems Current auto range up to 12 5 A 4 voltage and 4 current channels with 32 us sampling time Universal power supply type High or type Low e Two independent communication ports see d

User`s Manual MC774

Contents

Download Pdf Manuals

Related Search

Related Contents