POWER NETWORK PARAMETER METER
Contents
1. Fig 2b Semi indirect measurement in a three phase network Supply AL RS485 Analogue 85 250 V2 GND B Ai output HERES l 9118 1 4 13 12 10 N13 Il I I P 7 1 I a bj 1a bj Sa ee Bl B Fig 2c Indirect measurement with the use of 2 current transformers and two or three voltage transformers in a three phase network 11 Connection diagrams of the meter in a four wire network Supply RS 485 Analogue 85 250 V2 IGND B output s AID ji 1 Fig 9 18 1 4 13 12 10 i Direct measurement in a four wire network Supply AL RS 485 Analogue 85 250 V2 N icND B output Fig 3b Semi indirect measurement four wire network 12 Ir pssesss s H i Supply 85 250 V2 AL RS 485 Analogue output E IGND B Ai 181 4 13 12 10 11 Fig 3c Indirect measurement with the use of three current transformers and two2. yylyilY H H m M gt M M SIS Where yyyy year HH hour mm month MM minutes dd day SS seconds We settle values by means of keys top and left i e we choose the position of the decimal number with the key left and the value of the number with the key top The active position is signalled by the cursor The value is accepted by the key enter or cancelled by pressing ESC After the parameter dd day the successive pressure causes the transition to set hours and minutes The second counter is resetted to zero after the minutes after a succes sive pressure of the key enter For a precise measurement of time one must wait till the full minute and press enter 6 6 Setting of meter parameters Mode Parameters setup Table 3 Parameter name Displayed Assumptive quantity quantity Assumptive setting Input Current transformer ratio 1 9000 Voltage transformer ratio 1 4000 Cancellation of mean power Y n Mean power interval min 0 15 30 60 Mean power synchronization Y n Display brightness 0 15 Change of the access code 0000 9999 The entry into the parameter mode is protected by the access code if it is different from zero In case of the code 0000 the inquiry about the password is omitted If the access code is different from zero and the user does not introduce the correct
3. Basic error 0 2 mv 0 1 range Table 9 remarks Ku 1 4000 max 1 6 MV l current 1 000 Ki 1 5 000 Ki 1 for Kiz1 45 0 2 mv 0 1 range Ki 1 9000 max 45 kA P active power Pay mean active power 0 0 999 9 W for Ku 1 Ki 1 220 GW 0 5 m v 0 2 range S apparent power 0 0 999 9 VA for Ku Ki 1 220 GVA 0 5 m v 0 2 range Q reactive power 0 0 999 9 Var for Ku 1 Ki 1 220 GVar 0 5 m v 0 2 range Pf active power factor 1 00 0 00 1 000 1 mv 2c Pf Power factor P S T factor ratio of reactive power to active power 99 9 0 99 9 1 mv 20 Error in the range 99 9 0 99 9 F frequency 20 0 500 0 Hz 0 5 mv Where Ku voltage transformer ratio Ki current transformer ratio m v measured value less significant display digit 27 Power consumption supply circuit voltage circuit current circuit Supply Display field Outputs analogue output relay output Serial interface Transmission protocol Meter reaction to decays and supply recovery Protection degree ensured by the housing acc IEC529 frontal side terminal side Weight Overall dimensions Panel cut out dimensions 28 lt 12VA lt 0 5 VA lt 0 1 VA 85 253 V d c or a c 40 400 Hz 4 x 4 LED digits 10 mm high re
4. L2 phase to phase voltage L2 L3 phase to phase voltage L3 L1 phase to phase voltage Mean power e g 15 min Supply connection M Display change C4 MEASUREMENT 4 Display change of 3 phase quantities 4 gt of phase quantities mode line 1 3 line 4 Mode selection _ SETUP A t slo 1 Ge Ne Exit from modes without parameter i recording oft Time mode Parameters mode Output mode Setting of the date Setting of parameters s ae and current time acc table 5 values digital RS analogue and off on Fig 8 Working modes of N13 parameter meter 23 7 RS 485 INTERFACE In executions with interface the meter has the possibility to communicate with a PC through the RS 485 line In the N13 meter data are inserted in 16 and 32 bit registers Process variables and meter parameters are placed in the address spa ce of registers in a way depending on the type of the variable value In the 16 bit register bits are numbered from the youngest to the oldest b0 b15 32 bit registers include numbers of the float type in the IEEE 745 standard The register map is divided into the following areas Table 6 Address range Value type Description 4000 4020 Integer 16 bit Value inserted in one 16 bit register The register description is included in the t
5. as follow Enter of parameter configuration press 3 s Enter of acceptance key Select phase L1 L2 L3 or 3L Value increase key Select measured quantities power current Left displacement key Escape cancellation key A selective highlighting allows the display of units and symbols of over 30 different parameters We can deliver with the meter if ordered a visualisation program named WizPar 5 2 Inputs outputs Interface 5 2 1 Current inputs All current inputs all galvanically insulated internal current transformers The meter is adapted to co operate with external current transformers Displayed current values and derivative quantities are automatically cal culated in relation to the introduced external current transformer ratio Current inputs are defined in the order as 1 Aor 5A 5 2 2 Voltage inputs The quantity on voltage inputs is automatically calculated in relation to the introduced external voltage transformer ratio Voltage inputs are defi ned in the order as 3 x 57 7 100 V 3 x 230 400 V or 3 x 400 690 V Connection diagrams of the meter in a three phase network Supply RS 485 1 Analogue 85 250 GNDB Aj EL DE HE n N i 20 19 18 1 a i N Fig 2a Direct measurement in a three phase network 10 RS 485 Analogue A output Tres 151 240
6. or three voltage transformers in a four wire network 5 2 3 Analogue outputs Each measured or calculated value can be monitored by means of an analogue current signal in the range 20 mA 0 20 mA The scaling of the measured quantity and also the value of the current signal are reali sed 13 5 2 4 Relay output The internal relay signals the exceeding state of programmed ranges of the chosen quantity Set of quantities for the analogue and relay output Quantity Phase voltages U1 U2 U3 Lower range value for outputs 1 V 930 kV Table 1 Upper range value for outputs 1 V 930 kV Phase to phase voltages U12 U23 U31 2 V 1 6 MV 2 V 1 6 MV Phase currents 11 12 13 I 0 01A 45 kA 0 01A 45 kA Active power P1 P2 P3 P 220 0 220 GW 220 0 220 GW Reactive power Q1 Q2 Q3 Q 220 0 220 GVar 220 0 220 GVar Apparent power 1 S2 S3 S 220 0 220 GVA 220 0 220 GVA Power factor PF1 PF2 PF3 PF 1 00 0 1 000 1 00 0 1 000 Power factor tg1 tg2 tg3 tg 99 9 0 99 99 99 9 0 99 99 Frequency f 0 20 100 Hz 0 20 100 Hz Multiplier Giga is shown on the display simultaneously by lighting of the symbol Kilo and Mega 5 2 5 Interface The meter can communicate with the main system by means of the RS 485 interface with
7. requirements of the EEC Low Voltage directive EN 61010 1 issued by CENELEC Remarks concerning the operator safety 1 General e The N13 parameter meter is destined to be mounted on a panel e Non authorized removal of the required housing inappropriate use 1 incorrect installation or operation creates the risk of injury to personnel or damage to equipment For more detailed information please see the service manual All operations concerning transport installation and commissioning as well as maintenance must be carried out by qualified skilled personnel and national regulations for the prevention of accidents must be observed According to this basic safety information qualified skilled personnel are persons who are familiar with the installation assembly commissioning and operation of the product and who have qualifications necessary for their occupation Transport storage Please observe the notes on transport storage and appropriate han dling Observe the climatic conditions given in Technical Data 2 Installation The meters must be installed according to the regulation and instructions given in this service manual e Ensure proper handling and avoid mechanical stress e Do not bend any components and do not change any insulation distances e Do not touch any electronic components and contacts e Meters contain electrostatically sensitive components which can easily be damaged by inappropri
8. ON OF ALUMINIUM ALLOY PRESSURE CASTINGS PRESSURE CASTING DIES AND INJECTION MOULDS PRECISION ENGINEERING AND THERMOPLASTICS PARTS QUALITY PROCEDURES According ISO 9001 international requirements All our instruments have CE mark For more information please write to or phone our Export Department LUMEL Lubuskie Zaktady Aparat w Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona G ra Poland Tel 48 68 32 95 100 exchange Fax 48 68 32 95 101 e mail lumel lumel com pl http www lumel com pl Export Department Tel 48 68 32 95 302 or 04 Fax 48 68 325 40 91 e mail export lumel com pl July 2004 KZ1072 03
9. POWER NETWORK PARAMETER METER N13 SERVICE MANUAL POWER NETWORK PARAMETER METER N13 SERVICE MANUAL CONTENTS PAGE 1 APPLICATION and PROPERTIES eene 3 2 METER SET sesenta 3 BASIC REQUIREMENTS SAFETY INFORMATION 4 ASSEMBLY 5 METER DESCRIPTION eene 5 1 Measured and calculated quantities by the meter 7 5 2 Inputs outputs interface sssssssssssseeee 8 6 PROGRAMMING OF N13 14 6 1 Frontal Panel iio etorri lois Ai niet 14 6 2 Messages after switching the supply 14 6 3 Description of the user s interface 15 6 4 Accessible measuring quantities 15 6 5 Setting of the date and time 16 6 6 Setting of meter parameters 17 6 7 Setting of meter output parameters 18 7 RS 485 INTERFACE ener nnne 22 8 ERROR CODES 24 9 TECHNICAL DATA 4 2 Pere re Dre tret 25 10 EXECUTION CODES coo 28 11 MAINTENANCE AND GUARANTEE nnne 29 1 APPLICATION and PROPERTIES The N13 panel power network parameter meter is a
10. able 7 Registers for recording and readout 7500 7532 Float 32 bit Value inserted in one 32 bit register The register description is included in the table 8 Registers for readout Table 7 Address Description 1 9000 Ratio of the current transformer 1 4000 Ratio of the voltage transformer 0 1 Choice of network type 3 or 4 wire 0 1 Cancellation of mean power 0 1 2 3 Interval of mean power O off 1 15 2 30 3 60 0 1 Synchronization with RTC 0 15 Display brightness 0 1 33 Quantity on the relay output 120 0 120 Lower switch on value A_oF 120 0 120 Table 7 continuation Upper switch on value A dt 0 100 Delay of the alarm switch on Ao_n 0 1 33 Quantity on the analogue output AolL 120 0 120 Lower threshold of the input quantity AolH 120 0 120 Upper threshold of the input quantity AoOL 20 0 20 Lower threshold of the output scaling mA AoOH 20 0 20 Upper threshold of the output scaling mA YeAr 2002 2084 Year MonDay Month 100 day HourMin Time in the format Hour 100 minutes Register address ALm State of the relay output Table 8 Quantity name L1 phase voltage L1 phase current L1 phase active power L1 phase reactive power L1 phase apparent power Active powe
11. ate handling Do not damage or destroy any electrical components since this might endanger your health 4 ASSEMBLY The N13 meter is adapted to be mounted into panels and cubicles by means of 2 holders according the fig 1 The meter housing of 96 x 96 x 77 mm dimensions is made of a sell extinguishing plastics At the rear side of the meter there are terminal strips which enable the connection of up to 2 5 conductors One must prepare a 91 05 x 91 05 mm hole in the panel which the thick ness should not exceed 6 mm The meter must be introduced from the panel front with the switched off supply After its insertion fix the meter by means of two holders 64 6 5 gt 10 max 6 4 Fig 1 NA13 meter dimensions 5 METER DESCRIPTION 5 1 Measured and calculated values by the meter The N13 parameter meter enables the measurement and visualisation of over 30 power energy quantities Single phase Three phase Measured quantities parameters parameters Phase voltages U1 U2 U3 Phase to phase voltages U12 U23 U31 Line currents 11 12 13 Phase active powers P1 P2 P3 Phase reactive powers Q1 Q2 Q3 Phase apparent powers S1 S2 S3 Power factor cos cosp PF1 PF2 PF3 Power factor tgp tg1 tg2 103 Frequency 15 minutes mean active power Maximal and minimal parameter values are also memorized The assignment of individual keys is
12. code only the review of parameters is possible In case of introducing a value over the range after accepting the value is set on the upper limit range 6 7 Setting of meter output parameters Mode Output Parameter name Address of the meter in the network 1 Displayed quantity Assumpti ve value Table 4 Baud rate kbd Mode of the protocol Quantity on the relay output 1 Tab 5 Switch on value in of the nominal range 120 0 0 120 0 Switch off value in of the nominal range Relay output 120 0 0 120 0 Delay in the alarm action s 20 0 100 Table 4 continuation Quantity on the continuous output Lower value of the input range in of the nominal range Upper value of the input range in of the nominal range 5 e 5 E 2 amp Lower value of the output range mA Upper value of the output range mA 1 In case of the off or zero quantity value in these quantities other common output parameters will not be displayed Outputs are active if a value different from zero off was assigned to them Relay and analogue outputs are not connected with the displayed quantities on the page In case of negative numbers the introduction of minus follows after the cursor transition on the position 4 thousands number and pressing the key top Example of programming Set the continuous output
13. d or green display control of the display brightness 1 analogue programmed output 20 0 20 mA accuracy 0 2 1 relay output alarm freely assigned voltageless make contacts load capacity 250 V a c 0 5 A a c RS 485 MODBUS ASCII and RTU data and meter state preservation during supply decays battery support work continuation after supply recovery IP 40 IP 10 400g 96 x 96 x 70 5 mm 9105 x 91105 Reference conditions and nominal operation conditions Input signal 0 0 02 1 2 In 0 02 1 2 Un for voltage current frequency power 0 0 07 1 2 In 0 07 1 2 Un for Pf and t factors frequency 20 45 65 500 Hz sinusoidal current THD lt 8 power factor 1 0 1 ambient temperature 0 23 55 C air relative humidity 25 95 no condensation storage temperature 20 70 C supply 85 253 V d c or a c 40 400 Hz admissible peak factor current 2 voltage 2 external magnetic field 0 40 400 A m short duration overload 5 sec voltage inputs 2 Un max 1000 V current inputs 10 In working position any warm up time 5 minutes Additional errors in of the basic error from frequency of input signals lt 5096 from ambient temperature changes lt 50 10 Electromagnetic compatibility immunity acc EN 61000 6 2 emission acc EN 61000 6 4 Safety requirements acc EN 61010 1 A1 insulation ensured by the hous
14. digital instrument belonging to a new generation of meters for the simultaneous measure ment of a lot of electrical quantities Itis mainly destined to measure all basic parameters in three phase three wire or three phase four wire balanced or unbalanced electrical power networks with the simultaneous display of measured quantities and the digital transmission of their values and their conversion into an analogue standard signal It can be employed in data acquisition networks or can be used as a single meter instead of many different meters used till now ammeters voltmeters wattmeters warmeters frequency meters phase meters and others This parameter meter enables the control and optimization of power electronic devices systems and industrial installations It ensures the measurement of rms voltage and current active reactive and apparent power 15 minutes mean active power etc It additionally indicates the current time Voltages and currents are multiplied by given voltage and current ratios of measuring transformers The value of each measured quantity can be transmitted to the main system through the RS 485 interface For execution with interface the WizPar visualization program is delivered which enables the meter servi cing through the serial link One of the chosen quantity can be additional ly transmitted by means of a standard current signal the relay output can be used to signal overruns of chosen quantities Measureme
15. ing dual insulation between circuits basic pollution degree 2 for voltages up to 300 V in relation to earth installation category 111 for voltages up to 600 V in relation to earth installation category Il 29 10 EXECUTION CODES AND ORDERING WAY Table 10 NETWORK PARAMETER METER N13 X XX X Input current In 1A X 1 5 A 5 9 Input phase phase to phase voltage Un M ince antisites 1 35 230 400 2 3 x 400 690 V on order Current analogue output without analogue output with a programmed output Digital output Without interface carinae ettet 0 with RS 485 interface 1 Display red digits green digits Kind of execution standard custom made Acceptance test without an extra quality inspection certificate with an extra quality inspection certificate acc user s agreement After agreeing by the manufacturer The execution numbering will be made by the manufacturer 30 Coding example The N13 2 2 1 1 2 00 1 code means input range 5 A input voltage 3 x 230 400 V with a programmed current analogue output 20 20 mA RS 485 interface green digits standard execution with an extra quality inspection certificate 11 MAINTENANCE AND GUARANTEE The N13 parameter meter does not require any periodical maintenance In case of some inc
16. ne must contact an authorized service 6 3 Description of the user s interface In the measuring mode quantities are displayed according settled tables The quantity in the tables and accessible parameters depend on the kind of connected power network The pressure of the key top causes the transition between displayed single phase quantities The pressure of the key left causes the transition between displayed three phase quantities The display of phase and phase to phase quantities is independent 6 4 Accessible measuring quantities Accessible phase quantities for a four wire network Accessible phase quantities for a three phase network Settings The entry into the programming mode proceeds through the hol ding of the enter key during 3 s The entry into the program ming mode is protected by the access code The code is intro duced for all parameters In case of lack of code the program transits at once in the program ming option The set inscription column 1 and symbols of each levels S O are displayed Fig 7 Setup menu 6 5 Setting of the date and time Mode time 18 Parameter name Year Month Day Hour Minute Table 2 Assumptive value Change range 2002 2082 Current date and time After entry into the SETUP procedure we choose the t mode by means of the key top and accept by means of the key enter
17. nts are car ried out by the sampling method of voltage and current signals The N13 parameter meter enables the measurement and visualisation of over 30 power energy quantities e phase voltages U1 U2 U3 e phase to phase voltages U12 U23 U31 e line currents 11 12 I3 e phase active powers P1 P2 P3 e phase reactive powers Q1 Q2 Q3 e phase apparent powers 1 52 53 e phase active power factors Pf1 Pf2 Pf3 phase reactive active power factors t 1 t 2 t 3 f e frequency e 15 minutes mean active power PAV 2 METER SET The meter set includes N13 parameter meter 1 pc holders to fix the meter in the panel 2 pcs service manual 1 pc service manual of the WizPar program 2 pcs for meter with RS 485 diskette with WizPar program 2 pcs for meter with RS 485 guarantee card 1 pc 3 BASIC REQUIREMENTS SAFETY INFORMATION Symbols located in this service manual mean A A WARNING Warning of potential hazardous situations Especially important One must acquaint with this before connecting the meter The non observance of notices marked by these symbols can occasion severe injuries of the personnel and the damage of the meter CAUTION Designates a general useful note If you observe it handling of the meter is made easier One must take note of this when the meter is working inconsistently to the expectations Possible consequences if disregarded In the security scope the meter meets the
18. on the input range 180 220 V of the U1 voltage on the output range 4 20 mA Check the percentage participation of the signal in the whole nominal range E g 230 400 V 230 V 100 230 100 180 V x 220 x 180 V 100 p 220 V 100 230V x X1 78 of the input range X2 96 of the input range 21 We assign U1 for the Ao_n parameter AolL 78 AolH 96 AoOL 4 AoOH 20 In case of using external transformers ratios are taken in consideration in the calculation formula E g TrU 230 100 Table 5 Quantity name Voltage of L1 phase Current of L1 phase Active power of L1 phase Reactive power of L1 phase Apparent power of L1 phase Active power factor of L1 phase Ratio of reactive to active power of L1 phase Voltage of L2 phase Current of L2 phase Active power of L2 phase Reactive power of L2 phase Apparent power of L2 phase Active power factor of L2 phase Ratio of reactive to active power of L2 phase Voltage of L3 phase Current of L3 phase Active power of L3 phase Reactive power of L3 phase Apparent power of L3 phase Active power factor of L3 phase Ratio of reactive to active power of L3 phase Mean phase current Mean 3 phase power Reactive 3 phase power Apparent 3 phase power Mean active power factor Table 5 continuation Mean ratio of reactive to active power Frequency L1
19. orrect unit operations 1 From the shipping date during the period given in the annexed guarantee card One should take the instrument down from the installation and return it to the Manufacturer s Quality Control Dept If the instrument has been used in compliance with the instructions the Manufacturer guarantees to repair it free of charge 2 After the guarantee period One should turn over the instrument to repair in a certified service workshop The disassembling of the housing causes the cancellation of the granted guarantee Spare parts are available for the period of ten years from the date of purchase The Manufacturer s policy is one of continuous improvement and we reserve the right to make changes in design and specifications of any products as engineering advances or necessity requires and revise the above specification without notice 31 32 33 34 35 SALES PROGRAMME MEASUREMENT DIGITAL PANEL METERS CONTROL BARGRAPH INDICATORS MEASURING TRANSDUCERS RECORDING ANALOGUE PANEL METERS DIN INSTRUMENTS DIGITAL CLAMP ON METERS PROCESS and HOUSEHOLD CONTROLLERS CHART and SCREEN RECORDERS POWER CONTROL UNITS and FREQUENCY INVERTERS AUTOMOTIVE DASHBOARD INDICATORS STATIONARY and PORTABLE CALIBRATORS MEASUREMENT ACCESSORIES SHUNTS SENSORS TRANSFORMERS MEASURING SYSTEMS ENERGY HEAT CONTROL MEASUREMENT CUSTOM MADE PRODUCTS WE ALSO OFFER OUR SERVICES IN THE PRODUCTI
20. r factor of L1 phase Ratio of reactive to active power of L1 phase L2 phase voltage L2 phase current L2 phase active power L2 phase reactive power L2 phase apparent power Active power factor of L2 phase Ratio of reactive to active power of L2 phase Table 8 continuation Register Quantity name address L3 phase voltage L3 phase current L3 phase active power L3 phase reactive power L3 phase apparent power Active power factor of L3 phase Ratio of reactive to active power of L3 phase Mean phase current Active 3 phase power Reactive three phase power Apparent three phase power Mean active power factor Mean ratio of active to reactive power Frequency L1 L2 phase to phase voltage L2 L3 phase to phase voltage L3 L1 phase to phase voltage Mean power e g 15 minutes 8 ERROR CODES Messages about errors can appear during the meter work The causes of these errors are presented below Err when the voltage or current is too small during the measurement Pfi t below 7 Un 7 In f below 1 Un The full time interval of the Pau power averaging is not expired 26 9 TECHNICAL DATA Measuring ranges and admissible basic errors are presented in the table 9 Measured quantity U voltage 57 7 100 V Ku 1 230 400 V Ku 1 400 690 V Ku 1 for Kuz1 1 6 MV
21. the MODBUS transmission protocol The converter RS 485 RS 232 e g PD5 type from LUMEL S A or the RS 485 interface card is necessary to connect the meter with a computer of PC class 14 N13 meter nr n n lt 32 RE T Supiy 9 N13 meter 9B Converter RS232485 fo PD5 N13 meter nr n n 32 RS 485 card Fig 4 Connection of meters with RS 485 interface to a PC Note One can extend the network up to 247 devices Supply 7 meter After each 31 devices one must install a PD5 repeater in series which enlarges the possibilities of the network by 31 successive address numbers and increases the installation distance by ca 1000 m 15 6 PROGRAMMING OF N 13 6 1 Frontal panel Marker of network type Fields of Fields of phase units and quantities symbols Field of three phase quantities Cancellation Decimal point Value increasing Acceptation key key ESC change key key ENTER Fig 5 Frontal panel 6 2 Messages after switching the supply on After switching the supply on the meter carries out the test of displays and displays the current version of the program 16 Where r x xx is the number of the current version of the program or the number of the custom made execution Fig 6 Message after switching the supply on Note If at the moment of the start the message UnCx x I U A appears on the displays o
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