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COMPUTER plus T8/14 INSTRUCTION MANUAL

1. OK MEASURE Power SC VA Menu Y Max 1 Status each phase 2 Date Time VA Men MinL MinC Cos A Esc Cos each phase 4 Min MinL MinC Y Max Max 1 V phase phase V phase phase 25 ate Time VA Menu Y Max Max _ 1 V phase neutral V phase neutral 27 Date Time VA Menu Line gr MS Date Time A Line 4 i YA SC Menu Max Max _ 1 Neutral 2 Date Time VA Menu y Max Max 1 Cap bank mia Date Time Menu S Max 1 4 p Date Time VA
2. OK OK gt ees e Alarm Global Status Menu Menu A VA Menu OK m CLR Temperature NO NC ON OFF OFF enu VA Menu Y OK gt CLR A 454 ILKmax ILKmin rear NO NC ON OFF Fault Step OFF u VA ey EB Vmax Vmin H gt Ph Ph Voltage V OFF enu VA Menu l m CLR THDV LL THDV max THDV min 3 WERT NO NC ON OFF enu VA Menu Y OK gt CLR THDIL xIL A ON OFF OFF enu VA Menu Y OK I CLR THDI 96 step A THDI when connecting C lt NO NC ON OFF OFF VA Menu Y OK CLR THDIC THDIC max THDIC min enu Menu OK 44 CLR ES 1 kvar2 or kvar not compensed ON OFF l CLR C68 Lo 05 min COS reset pin Tel NO NC ON OFF OFF VA Menu edevat L CLR eviation A I out of range _ NO NC ON OFF P orr VA Menu Y OK mm m CLR X IMIN 1 IL current
3. 30 222 Poa Pan S TO ERNEUT UTOR ETE 32 2 2 3 PWG OCT AAV SIC ME 33 7 2 4 Interpretation of the settings made by Plug amp 34 7 2 2 Values 35 7 2 6 Plug amp Play jor Computer plus TG CDI and 4 ted ede oe eter aus 35 759 ee 37 7 3 1 General information about the Semip menia 37 7 3 2 TCS CUD TINCT T cL 27 7 3 3 Adjust ne Caa Uor POWEF 39 7 3 4 Adjusting and configuring the nominal voltage Of capacitors eiie eene 39 7 3 5 Adjusting the connections of current transformers 39 7 3 6 states PU puis es s 40 Zo JUSTO The COS OOD COME consta etin eoa iu utes 41 7 3 8 Adjusting the Tact and Trec TINGS ate e utu EE 42 7 3 9 Adjusting the compensation mode ies tret sed ee vu Eee NI aee um II Ad tea I 42 2210 DUM 2 e 43 tasas eiue muta ata eL Oe es 44 FAL Adjusing Communication d deo 45 VUE MERE OUTSIDE PEE 45
4. J67 GOH 67 Ca 1 v Fig 69 Line 1 2 3 d 5 6 1 8 1 231 4 Fig 70 Neutral lis a6 789 12 13 14 60 m Menuj 4 Fig 72 leak Cond 1 2 3 d 5 b i 9 1 Ob 29 kll 3 9 94 LE a Fig 74 kW 51 123455725889 10112 13 14 It 94 641 It 94 881 3 a Fig 71 Cond 1 2 3 4 5 5 1 g 479 37 kM kvar Ill 7 391 HUE 185 4 Fig 73 Power 1 2 3 d 5 bh i 8 kvar 1 15 kvar 17 kvar 3 15 0211 Fig 75 kvar 1 2 3 d 5 h 1 5 1 2 3 4 5 hi 9 61 922 61 83 Temp 61 4 Fig 76 kVA Fig 77 Temperature 1 2 3 4 5 1 2 3 d 5 b 1 4 1549822 klh 1548 kh warhL 44094522 kyarh WarFhL 494 war ht F 24 kvarh a a v J Fig 78 Imported Energy III Fig 79 Exported Energy III Some parameters record the maximum or minimum values and indicate the date and hour when they occur The parameter screens show the or Min option see Figs 62 to 79 A screen will be displayed with the values recorded when you press with the possibility of disp
5. 300 Vee Supply VL 9 11 13 CARD TERMINALS FUNCTION 1 Power supply 2 Power supply 3 Voltage 1 4 Voltage 2 12 5 Voltage 3 6 Neutral 7 Secondary 1 Current 8 Secondary 2 Current 9 Secondary 1 Current IB 10 Secondary 2 Current IB 11 Secondary 1 Current IC 12 Secondary 2 Current IC 13 Alarm Relay NC Contact 14 Alarm Relay Common 15 Alarm Relay NO Contact 3 2 2 B Relays CARD B TERMINALS ALLOCATION FUNCTION 16 COM Common Relays 17 RL1 Relay 1 18 RL2 Relay 2 19 RL3 Relay 3 20 RL4 Relay 4 21 RL5 Relay 5 22 RL6 Relay 6 23 RL7 Relay 7 24 RL8 Relay 8 25 RL9 Relay 9 26 RL10 Relay 10 27 RL11 Relay 11 28 RL12 Relay 12 29 RL13 Relay 13 30 RL14 Relay 14 Only available for the Computer plus T14 T14 CDI types 13 3 2 3 Card A Communications measurement capacitors and measurement leakages 31 32 33 34 35 36 37 838 39 40 41 01 02 03 D4 05 42 43 44 45 46 47 48 49 50 5 5 1 DIGITAL INPUTS 14 CARD A TERMINALS ALLOCATION FUNCTION 31 Terminal A RS 485 control of capacitors Only TF versions 32 B Terminal B RS 485 control of capacitors Only TF versions 33 5 Terminal 5
6. Harmonics 11 y Menu Screens Zoom A Harmonics 12 m Menu va Menu Screens 2 lt gt Zoom A Harmonics 13 Menu Screens ipe lt gt Zoom Harmonics VA Screens rap gt lt gt Zoom lt Harmonics 2 VA Menu Screens 4 gt Zoom Harmonics IC3 Menu Y VA Menu Screens e lt gt Zoom A THDV Menu va Menu Screens gt 4 gt Zoom THDIL Menu Y VA Menu Screens LAR 5 lt gt Zoom THDIC Menu NOTE The 122 IC3 and THDIC parameters are only available for the T8 CDI and T14 CDI versions of Computer plus Fig 11 Harmonics menu 21 6 6 Test menu The Test menu can be used to enter the device s manual mode The options in this menu have been designed to carry out different tests of the compensation system including harmonics prediction tests When you enter this menu the unit runs manually and therefore stops carrying out its regulation functions OK Switch ON OFF steps TEST Test cos and display of cos o Menu Men 2
7. be selected with two different ways 48 Search the specific parameter and press B Moving onto the next or previous screen with the browsing arrows ss Options Display Parameters displayed on the screen Displays the three phase active reactive and apparent power and the cos three Power cos Fig 62 phase PF Shows the leakage current measured of the capacitor bank temperature in the cabinet s environment Only in Computer plus 8 T14 CDI Table 8 1 Options of the measurement menu and data measured 4 3 b 1 3 1 2 3 4 5 b 1 8 179 37 0 97 Steps dui kvarlll 41 24 ind kvart HUE Ill 1832 36 PF II 97 req Iz a Menu a Fig 62 Power cos Fig 63 Status 49 1 2 3 d 5 5 11 9 kvart 16 41 kvar kvart 15 62 kvarti 15 03 kvar a Fig 64 Status 1 2 3 4 5 h 1 g 0 95 PF 0 96 0 497 0 497 281 7 Fig 66 PF 1 2 3 d 5 h Tf 8 11 231 9560 2360 0 231 25 x v Fig 68 V phase neutral 50 1 2 3 4 5 h 1 5 008581 10 31 cose casa o 10 96 ind 0 91 583 Ind a Fig 65 cos 12 3 amp 3 b 1 5 1 12 400 96 123 399 93 I 31 400 35 Menu 4 Fig 67 V phase phase 2 3 4 5 h 79 IL
8. Nominal value of 12 secondary Menulaguage 1 Spansh Peripheral 1 Baud rate 19200 Parity No Leng Data 8 bits Bits Stop 1 Parameters of the Parameters of the communications communications channel channel Table 7 1 Parameters configured by default 7 2 6 Plug amp Play for Computer plus 8 and T14 CDI If using a Computer plus T8 CDI T14 CDI to which the secondary signal of voltage transformers has been connected in order to measure the current consumed by each phase of the automatic capacitor bank and said function has been enabled during the configuration of the regulator a second Plug amp Play process will be run in order to determine the value of the primary of the voltage transformers installed to measure the current consumed by the automatic capacitor bank and the phases and direction of said transformers will be assigned assuming in each case In 5A transformers To enable this function proceed as described below 35 Inside the folder select the Configuration EDI option Fig 33b and press The screen shown in Fig 33c will be displayed Tranzf Ratio 00005 Sec IC a yeg 1 1 Cap connections PrimIF 200 Fens JC Fig 33b Setup menu Fig 33c CDI setup menu Configuration CI Press Edit and if editing is locked the password screen will be displayed Follow the steps described in sectio
9. P ER CD TT re ed 46 7 3 15 Setting the current transformer connections for the CDI module cesses 47 8 DISPLAY OF VARIABLES MEASURE 48 8 1 OPENING THE MEASURE MENU ensue 48 52 MEASURABLE PARAMETERS 48 ZAEARAESETUD udi aas renti i incedit 53 9 1 OPENING THE ALARM CONFIGURATION MENU Ene 53 92 ALARM SETUP OPTIONS inani c 54 9 35 CONFIGURING EACHALCARM 9d 3SSPBECIALAALARMS SCENARIOS 54552251 5 56 9 4 1 Reidel 56 9 4 2 te tar es al 57 9 4 3 57 9 4 4 Earth Leakage Transformer Failure Alarm Only T CDI
10. m CIRCUTOR POWER FACTOR REGULATOR COMPUTER plus T8 14 Three phase Metering Relays Output INSTRUCTION MANUAL M98223001 03 13A 5 1 COMPUTER PLUS T POWER FACTOR 5 7 RE CHNICAT 5 A DUONG 9 2 1 DIMENSIONS AND FIXINGS 10 3 STANDARD CONNECTION 11 3 1 AND FUNC TION 22222225 20223 PCN 12 3 2 ZU EO 12 o2 Power supply nee eques eR ga QURE eques 12 2 22 COTO B IRIAN 2 223 Card Communications measurement I in capacitors and measurement I in leakages 14 3 3 BASIC CONNECTION DIAGRAM s eso Des 15 5 17 4 1 17 4 2 ENERGIZING THE REGUDANTOR 25202201 06 MU I 19 4 3 19 5 BA
11. 6 6 230 V 19 400 V 24 9 480 V With 8 relays connected 10 2 230 V 26 6 400 V 34 6 480 V With 14 relays connected 12 9 VA 230 V 33 400 V 43 480 V From 5 to 120 for Un 300 V a c phase neutral From 5 to 120 for Un 520 V a c phase phase 0 6 VA 45 65 Hz Transformers 5 a c or In 1 A a c 6 A permanent 100 lt 15 lt 0 45 Integrated control system FCP or Linear 4 quadrants Integrated control algorithm Three phase Output relays Maximum voltage Ui Thermal current Ith AC11 le Ue DC11 le Ue Mechanical endurance Electrical endurance Environment Working temperature Storage temperature Maximum relative humidity Maximum working altitude Installation category Pollution grade Protection degree 277 M a c 30 V d c 6A 6 A 250 V a c 6 A 30 V d c 7 1 10 operations 4 3 10 operations 10 at 50 C 20 at 65 C 95 without condensation 2000 m AMSL Installation category as per IEC 61010 2 as per IEC 61010 IP 51 frontal side IP 20 rear part Safety Installation category Installation category as per IEC 61010 Protection against electric shock Double isolation Class II Designed and identified with CE mark Mechanical characteristics Direct connection terminals for rigid wire of 2 5 mm 4 5 mm flexible AWG 11 Case material Self extinguishing VO
12. A screen like the one shown in Fig 92 will be displayed when the status of alarms is browsed The different screens show the variable trip mode NO NC or DIS HI and LO values programmed and the status ON OFF DIS etc When the alarm is ON the date time and value that tripped the alarm can be checked With the option the HI and LO fields show the trip values The texts on the screen and their meaning are described on table 10 2 59 High value that triggered the alarm No value will be displayed when the alarm has not been triggered due to HI limit Low value that triggered the alarm No value will be displayed when the alarm has not been triggered due to LO limit ON Alarm enabled and tripped OFF Alarm enabled but tripped DIS Alarm disabled Table 10 2 Description of the legends on Fig 92 tage CU Maltage HI HI 450 LU LU 350 Status DIS Status ON Ese Ese ar Date CLR Fig 92 Alarm status screen DIS or OFF Fig 93 Alarm status screen ON 10 2 2 I leak alarm As mentioned in section 9 4 1 Computer plus will treat this alarm as a special case Specifically this alarm can be used to disconnect a faulty capacitor when it is found to be the cause of a leak As such if it detects a leak it triggers the alarm Immediately afterwards it stops the regulation process and starts disconnecting the connected capacitors one by one until it reaches the cause of the leak see
13. default Setup Menu Ez Parameter MANUAL Tact Trec by default FCP Linial Parameter MANUAL dd mm aa Parameter MANUAL 4 hh mm ss Setup Contrast Brightness Parameter MANUAL Language Setu L us Peripheral Baud Parity Parameter MANUAL Bits Stop Setup Menu Clear of Max and or Energies Update 0 97ind 0 96 9 97ind cose WLI 13 C IR IB It 123 Total 20 00 51 52 51 52 51 52 IMen Edit NOTE Communications are only available for the T8 CDI 14 CDI versions of Computer plus Fig 8 Device setup menu tree 24 6 3 Alarm setup menu The alarm setup menu displays and allows the programming of the alarms of the Computer Plus This menu is protected by a password You can browse the menus and see how the alarms are configured but you must choose the option to edit them A password will be asked before a modification is permitted The standard password is the sequence of 1 2 keys menu layout is shown Fig 9 ALARM SETUP MENU Password 4 Only 5 Edit without Reading Enabled Password 4 Menu Temperature C ETT C Max C Min Delay a Parameter MANUAL Enabling Setup Parameter MANUAL leak Enablin gt 2 2 Faulty Step Setup
14. for example 6 steps in a Computer plus T8 program step 1 as zero in the example on Fig 20 step 7 and the regulator will then know the number of steps used in our example 6 steps Fig 21 shows an example of Computer plus T14 programmed with 10 steps step 11 and the remaining steps are zero 30 0 60 0160 0180 0 60 0 otal 330 00 ul 570 060 Ese OK Ese J gt Fig 20 Programming 6 step bank step 7 0 21 Programming 10 step bank step 11 0 kvar in Computer plus T8 kvar in Computer plus T14 31 7 2 2 Plug amp Play Step 2 Nominal voltage of capacitors and steps configuration The second Plug amp Play step involves the selection of the nominal voltage of capacitors and a star or delta connection This information is usually shown on the label of the capacitors with the nominal power rating In general the connection is delta unless otherwise stated To enter this information in the regulator open folder press and the screen shown on Fig 22 will be displayed Select the V Cap option and press The screen shown on Fig 23 will be displayed Press and the screen shown on Fig 24 will be displayed Select the field edited with and press again to display the screen shown on Fig 25 Edit the numbers with arrow to change the digit and use the arrow change the value Confirm with Use the Unit section to select V or kV and Connec to
15. 4 Current Failure Alarm The screen shown on Fig 96b will be displayed when the current in the three phases does not reach 1 of the nominal value In T CDI types this screen also shows the earth leakage transformer failure So if this transformer has the secondary circuit open ON will be shown in I leak status Current Failure line leak OFF Ese J av Fig 96b Current fault alarm screen 11 HARMONICS DISPLAY Computer plus also includes an option to display voltage and current harmonics or a bar graph for each measured voltage or current 111 Opening the harmonics display menu To open the harmonics display menu go to the main menu Fig 92 Use the arrows 4 to select the folder and press The list of options will be displayed shown on Fig 93 setup set Alarm Harmonies EB Harmonies We Harmonies Harmonies Fig 97 Main menu Fig 98 Harmonics display options 62 11 2 Harmonics display options The options available and their meaning are summarized on table 11 1 The options will be selected from the list shown on Fig 98 with the dynamic keys Press when the option selected appears on the reverse video Options Comments Measurable parameters Harmonics V1 5 5 the voltage harmonics ofphased HarmonicsV2_ Shows the voltage harmonics of phase Harmonics V
16. 52 inverted 0 97114 1 8 0 6 cap cosa 0 10 969 0 9 find cosa We Meo W2 i It 123 It 123 51 52 sx 15 35 og sus 32 31 Ese Ese Eait OK Fig 40 Menu to change 5 connection Fig 41 Changed transformer connection menu When the setup is producing a coherent set of cos values press and adjust the transformer connections 7 3 6 Adjusting the transformer ratios In this menu the voltage transformer and the current transformer ratios can be adjusted In general there will only be voltage transformers in the medium or high voltage systems MV or HV In the case of low voltage installations the voltage transformers ratio is 1 1 To adjust the transformer ratios proceed as follows Open the setup menu by following the process described in section 7 3 2 From the list of options select Transf Ratio screen on Fig 42 and press to display the screen shown on Fig 43 40 Plug Play I I connections Transt Ratio a Fig 42 Transformer Ratio Menu Frim 0000901 0941 Prim I 00005 oec I Fig 43 Edit Transformer Ratio Menu Press and the screen shown on Fig 44 will be displayed To edit a field follow the procedure described in section 5 4 Frim OOF 500 Seg Il 001 Prim I 00500 Sac I 5 amp Ese O
17. INFORMATION A 68 15 MAINTENANCE eene lez 68 16 68 INTRODUCTION CIRCUTOR S A would like to thank you for showing your trust by choosing one of our Computer plus series regulators These units are constructed with state of the art technology including a powerful DSP to calculate the optimum algorithms for achieving the best compensation of cos The units comply with the Electrical Safety Standard EN 61010 in accordance with the requirements of the Low Voltage Directive LVD 73 23 EC besides of EMC Directive 20004 108 CE and therefore they are certified to carry the CE mark This user manual describes the operation of the Computer plus series regulators and shows the user the procedures required to install commission and operate the units SAFETY The installation and maintenance of the unit must be performed by duly trained and CAUTION authorized staff in accordance with the national and international standards Before performing any maintenance operation on the cos regulation units be sure to disconnect the main switch After disconnecting it wait at least 5 minutes to ensure that the capacitors have totally discharged During the installation maintenance or commissioning of the units regulated by a Computer plus unit the following safety precautions
18. Low alarm limit value DelayT Delay time before the activation of the alarm Normally open The alarm is activated out of the HI LO limits i e above and below LO Normally closed The alarm is activated within the HI LO interval i e above LO and below HI NO Desc As in the case of NO but in this case the capacitors are disconnected when there is an alarm NC Desc As in the case of NC but in this case the capacitors are disconnected when there is an alarm DIS Alarm disabled Table 9 2 Definition of legends in the alarm menu 9 3 Configuring each alarm Select one of the options displayed on the alarm list Fig 84 The selected option will be displayed in reverse video the option is selected press Figs 85 to 87 show the standard alarm edition and setup screens The fields can be edited in accordance with the procedure described in section 5 4 Press to open the screen and edit the HI LO DelayT and Enable fields general the key is used to browse the options the key to edit the selected field and Ok to confirm the selection The different menu options are stated on table 9 2 Global Enable _ Global Temperature Enable n I leak A Fig 84 General alarm menu Fig 85 Global setup 55 000450 HI 000450 10 0200350 LO 0003590 e aT 0005 0005 Hes Ea Enable Ea YT k Fig 86 Configuring standard ala
19. Switch ON OFF steps Resonance test gt and display of THDI Esc and THDV E Switch ON OFF steps Capacitors test lt gt and display of kvar Esc Menu Pass to 1st Screen Fig 12 Test menu tree 7 DEVICE SETUP SETUP MENU Computer plus must be programmed to adapt itself to the installation being compensated Such adaptation process requires the selection of a series of parameters such as number of capacitor steps power of each step current transformer CT ratio etc All of these parameters can be adjusted as follows Automatic adjustment with the Plug amp Play option Manual Adjustment Please check the menu tree of the setting described in section 6 2 before entering the setting 7 1 Password The screen shown on Fig 13 will always be displayed when you wish to change the setup and it will ask for the password Enter the 1 2 sequence to activate the programming option The unit will disconnect any connected capacitor steps and then display the setup screen The right lock shaped icon indicates whether the unit is locked or not for the edition of adjustable parameters 28 Passu F1 F3 Fig 13 Password request 7 2 Plug 8 Play Setting One of the most important features of Computer plus when compared to other cheaper regulators is its configuration advantages Computer plus has a Plug amp Play option in the set
20. define the power value of said capacitors where these capacitors will appear with the value 0 0 If the device does not find any capacitor causing the leak but a leak is still detected it will go into STOP mode with the capacitor bank disconnected and the alarm will be triggered indicating on the screen the message ALARM in the upper portion alternating with the text MODE STOP and the display light will blink continuously On the screen a literal field will specify that there is a leak but that it has not come from any capacitor Err To return the capacitor bank to normal operation first the cause of the leak must be eliminated and then this alarm must be reset See section 10 2 2 56 9 4 2 IC Alarm out of range This alarm can be used to detect the faulty capacitor when the reactive current exceeds the top or the lower limits by far in accordance with its nominal power programmed in the Setup Menu In particular the HI and LO values are programmed in this case in and HI should exceed 100 while LO must be lower than 100 for example HI should be programmed at 120 and LO at 80 for a 20 deviation 94 3 Current Failure Alarm This alarm can not be programmed Computer plus is configured by default so that when a current under 50 mA 1 of the nominal current in the case of 1 5 current transformer is detected any of the phases the alarm will trip If the currents in the three phases are bel
21. inside the cabinet Note that with the instrument powered on the terminals could be dangerous to touching and cover opening actions or elements removal may allow accessing dangerous parts Therefore the instrument must not be used until this is completely installed The regulator should be connected to a power supply circuit protected by gl type IEC 269 or M type fuses IEC 127 rated between 0 5 and 2 A It should be provided with a MCB or equivalent device to switch off the system from the power supply circuit Both power supply and voltage measuring circuits as well as connections to different relays will be wired with cables of a minimum cross section of 1 mm AWG 17 The current transformer secondary side connection line should have a minimum cross section of 2 mm2 AWG 14 and with a minimum temperature rating of 60 C To connect a Computer plus regulator to a PF compensation unit follow these steps Connect the power supply terminals 1 and 2 in Card C to the control panel s voltage source Connect terminals VL1 VL2 VL3 and the neutral if available to the network s phases and neutral VERY IMPORTANT The device considers that phase 1 is the phase connected to the VL1 phase 2 will be that connected to VL2 and phase that connected to the regulator s VL3 Cables L1 L2 and L3 of the power supply connection Connect current transformers T1 T2 and to phases 1 2 and 3 respectively If you do
22. plastic Dimensions According to fig 2 Weight 0 607 kg 8 relays 0 640 kg 14 relays Standards EMC Connection IEC 61000 4 2 IEC 61000 4 3 IEC 61000 4 4 IEC 61000 4 5 IEC 61000 4 11 2 1 Dimensions and fixings 144 Fig 2 External dimensions The unit is intended to be installed in the panel door drill panel 138 x 138 mm according to DIN 43 700 10 STANDARD CONNECTION DIAGRAM 3 Mod OdINLILSNs 009 ZH OS V SANLILSAS Wid cde E E 05 1 E 21 50114 841 091000 NOIOVNINON3Q 919953 eat Oy S MN 9 25280 80 60 22 odvdoudy 918 M 115 a IpJop 1
23. pressing button or disconnect with button L Fig 110 shows step 3 as connected and step 4 as selected showing the theoretical kvar kvarC1 T and real kvar kvarC1 R on two columns Each capacitor can be checked individually to see if the expected capacity is met The connection and disconnection of steps will respect the tact and trec times To exit this menu press 1 2 3 4 5 5 1 5 kvarki T 10 1 kvark T 0 0 kvarki T 1 1 Ese Fig 109 Capacitor Test Menu 4 5 bh 1 amp 1 T 0 0 R 10 4 kvart T 11 51 1 fa Ese Fig 110 Capacitor Test Menu return to the main menu from the Test menu press Menu 13 INTEGRATION OF COMPUTER PLUS IN THE SCADA POWER STUDIO PROGRAM Computer plus T8 CDI T14 CDI have RS 485 communications channel which be used to integrate them as other peripheral devices in the SCADA Power Studio software of CIRCUTOR The connection can be made directly with an RS 485 bus or with the integration in an Ethernet network with a converter from RS 485 to Ethernet Modbus CIRCUTOR TCP2RS TCP The communication characteristics are defined in the Communications option in the Setup menu In this sub menu the peripheral number identification number of the unit in the Power Studio Scada network unit the transmission speed and the characteristics of the communication frame
24. remember that it must be put in the RUN mode section 7 3 9 4 3 Regulator settings ATTENTION Generally the regulator is delivered with the relay outputs disabled Therefore when you connect the voltage and before adjusting the setup do not connect any capacitor step any capacitor is connected this means the regulator has already been set up When the regulator is installed on a CIRCUTOR capacitor bank it has already been set up and its final location will only need you to select the Plug amp Play option see section 7 2 If you are sure that the regulator has not been set up and a capacitor connects this indicates that something is working incorrectly In this case check the settings in accordance with the instructions in section 7 Follow these steps to adjust the unit Apply voltage to the unit and follow the set up instructions in section 7 Configure the alarms according to your needs by following the instructions in section 8 f you have a communications network and you wish to integrate the PF compensation unit into the SCADA Power Studio follow the instructions in section 11 19 5 BASIC INSTRUCTIONS BROWSE THE MENUS 5 1 Browsing the menus Functions of the keys The Computer plus system has four dynamic keys marked as 1 2 F4 Dynamic means that the functions of these keys is not always the same because it changes on each screen The function of each key is shown on the lower li
25. section 9 4 1 for a complete explanation of the operation of this alarm 60 I leak I leak Err Ileak Fig 94 leakage alarm screen Fig 95 I leakage alarm screen In the case of the leak alarm the alarm viewing screen opens a screen which is either like the one shown in Fig 94 or like the one in Fig 95 The screen in Fig 94 will be displayed when there exists a faulty capacitor which has caused the leak The box of this capacitor will be shown as entirely blacked out The CLR option can be used to reset the system once the capacitor has been replaced the alarm will be triggered again if the faulty capacitor has not been replaced The screen in Fig 95 will be displayed when the regulator has not found any capacitor that is the cause of the leak but a leak is still detected To return the capacitor bank to normal operation first the cause of the leak must be eliminated and then this alarm must be reset using the CLR option 10 2 3 IC out of range Alarm The IC out of margin alarm is shown when a capacitor is taking an abnormal current The screen shown on Fig 95 will be displayed when the capacitor current deviates by a certain of the nominal value and the display will show an ON in the box of the faulty capacitor Fig 95 The case on Fig 95 shows that C7 has the alarm triggered ON It out of range B OFF OFF OFF OFF Fig 96 out of margin alarm screen 61 10 2
26. select A or Y Power kvar 090 Unit Plug amp Play Fig 22 Programming the capacitor setup Fig 23 Programming the capacitor setup 400 400 Unit konnet konnet Fig 24 Programming the capacitor setup Fig 25 Programming the capacitor setup 32 7 2 3 Plug amp Play Step 3 After configuring the power and capacitor steps configuration the automatic setting can be launched To do so select the Plug amp Play option from the main menu Fig 26 and press The screen shown on Fig 27 will be displayed Confirm the setting by pressing Do Any steps connected will be shown on the screen shown on Fig 28 or in case of the first setting the screen of Fig 29 will be displayed Capacitor 1 1 connections OK Fig 26 Launch the automatic Plug amp Play setting 3 4 5 hb 1 85 Please Capacitors EN 2 Fig 28 Plug amp Play case there steps connected Plug D 11 0 19s Fig 27 To start Plug amp Play press Do Start Plug and Play Hesigning voltages ss JL Fig 29 Start of Plug amp Play From this point the Plug amp Play automatic setting will continue allocating the phases and the direction of CT s allocating each transformer to its phase while calculating the transformer ratio always assuming that In 5A transformers are used Th
27. to send parity stop bits are selected For more details about the SCADA software see the Power Studio software manual 67 14 SAFETY INFORMATION J The installation standards described in the previous SETTINGS AND START UP CONNECTION DIAGRAMS and TECHNICAL CHARACTERISTICS chapters of the unit must be taken into account With the unit connected it is dangerous to touch the terminals Opening the covers or removing elements may provide access to parts that are also dangerous to the touch This unit is supplied in good working order In case of supply at 110 V a c the maximum number of output relays that can be used is 12 in Computer plus T14 and Computer plus T14 CDI 15 MAINTENANCE The Computer plus T regulator does not require special maintenance It is necessary to avoid as far as possible all adjustments maintenance or repairs with the unit open If they must be carried out they must be performed by qualified staff who are well informed of the procedure to follow Before performing any connection modification replacement maintenance or repair operation disconnect the unit from its power supply If you suspect an operational fault in the unit or in its protection system remove the unit from service ensuring it is not possible to connect it by accident The design of the unit makes it easy to replace parts in case of a fault 16 TECHNICAL SERVICE If you have any doubts about the operation of the unit or any faults co
28. 3 jShowsthevolageharmontsofphase3 61 jShowsthecurentharmonisofphasel Hamonisi jShowsthecurentharmmisofphase2 Harmonics I3 jShowsthecurentharmnisofphase3 Harmonics IC2 _ Shows the current harmonics of phase 2 of the capacitor bank Harmonics Shows the current harmonics of phase 3 of the capacitor bank Shows the THD voltage of each phase neutral voltage V1 V2 2 Shows the THD current of each phase neutral voltage 11 12 13 _ THDIC available in Computer Shows the THD current of each current in the compensation unit plus T8 CDl and T14 CDI 1C1 1C2 IC3 Table 11 1 Options of the harmonics display menu Harmonics 1 1 Shows the current harmonics of phase 1 of the capacitor bank Available only in Computer Harmonics plus T8 CDI and T14 CDI Numerical values or bar graphs can be displayed for each variable see Figs 99 and 100 Fig 99 Numerical display of harmonics Fig 100 Graphical display of harmonics Each numerical harmonics display screen shows a table with the value of 12 harmonics example on Fig 99 row HV1 2 shows the voltage harmonic values of phase 1 in the order of 2 to 5 The next row shows the order from 6 to 9 etc Press to see up to the harmonics order 33 63 numerical display screens show the dynamic key Press the key to display the harmonics in bar graph Fig 100 and use t
29. 49 PIA XXX XX SMV1d 45410 01 5 x PUN 1513 80 60 55 oavrnald 4 S OdIno3 3HBNON VHO34 CI ts d Pour ala eda mi PE zu Addins ry TM ED E CLIT LL 45 35 VY lt lt 0 16D N deis deis 2 deis deis E SUNG ME REM RENE m cc Po i B AN x 2080 vbi aon e N 2 4 2 2 OHO OHO 21 el L1 5 152 i STRE I 15 o ae A 00 ZH OS T 850 40 11 3 1 Cards and functions Card A Com Measure C Leakages Card B Relays 2 C P S measure Alarm relay 3 2 Allocation of terminals 3 2 1 Power supply and metering is 1 2 Computer plus unit can use different cards depending on the functions available Card A Communications Capacitors Current Measurement and Leakage Measurement Card B Relays Card C Power supply and measurement The Computer plus T8 and T14 types only use and C cards The Computer plus T8 CDI and 14 types use A B and C cards In P2P1 P2P1 110 480 VCA
30. 57 9 5 57 10 VIEWING THE STATE OF THE ALARMS 58 10 1 OPENING THE ALARM DISPLAY MENU its eu ag ns creas era ee fede Reg Pun 58 Jose DISPLAY OP IONS 58 10 2 1 Parameters displayed on the alarm status screens 59 102222 o GI ER E eR 60 102 AC OU OP PAN GC AIA s s gt RR 61 TODA Curente alure AP ____ 62 11 HARMONICS DISPLAY 62 11 1 OPENING THE HARMONICS DISPLAY MENU cccsccoscoscescceccecceccccescescesccecceccesceccescescesscescescescescescesceeseescescescascass 62 11 2 HARMONICS DISPLAY OPTIONS 63 12 TESI Io RI MM 64 L2 SOPENING THE LEST eet ee Acct te ah 64 12 2 PEST COS O AND RESONANCE TEST 4 55 4 as e ptem ee o 65 12 9 2 D M ca D 66 13 INTEGRATION COMPUTER PLUS IN THE SCADA POWER STUDIO PROGRAM 67 14 SAFETY
31. K Fig 44 Transformer Ratio Menu 5 6 7 3 111 321 0 97 I varlll 41 39 ind EUR 1385 55 PF Ill 0 497 ait Run Fig 45 Edit Transformer Ratio Menu When the adjustment is complete press to display the screen shown Fig 45 stating the kW kvar and cos In reverse video the computer will display the steps which will be connected in case that the settings are accepted The menu bar shows the options to continue editing values when you press Edit The unit will start up when you press If the values measured seem correct press Otherwise check for errors 7 3 7 Adjusting the cos objective The cos objective can be adjusted To do so follow this procedure Open the setup menu by following the process described in section 7 3 2 From the options menu select Target cos screen on Fig 46 and press The screen shown on Fig 47 will be displayed Tranzt Ratio Target ens d Cus d 1 00 IJET pis g nd Tact Tree a Fig 46 Transformer Ratio Menu Fig 47 Edit Transformer Ratio Menu Press to adjust the desired value To edit a field follow the process described in section 5 4 7 3 8 Adjusting the Tact and Trec times The connection disconnection and reclosing times between steps can be adjusted reclosing means connection of a previously connected step To do so fol
32. Lg OFF enu VA Menu OK List of alarmas activating the 1 Relay status lt gt relay and NC NO to set Menu positive security VA ul SS Current failure SED u ilu Current fail Menu ON OFF OFF NOTE The leak THDIC and parameters are only available for the T8 CDI and T14 CDI versions of Computer plus Fig 10 Alarms menu tree 26 6 5 Harmonics menu This menu displays 32 harmonics from the different voltages and currents measured by Computer plus HARMONICS 2 5 mE Harmonics V1 Menu 1 v Menu Screens LAN 4 7 oom A Harmonics V2 Menu VA Menu Screens E EUM a lt gt Zoom Harmonics V3 Menu VA Menu Screens lt gt Zoom
33. Menu Max Max i Power Ill kW kvar 11 27 Date Time VA Menu y Max Max 1 xd EE kW each phase 2 VA Menu 1 4 1 _ kvar each phase p 2213 Menu 1 lt gt kVA each phase Pid Date Time VA Menu Date Ti i Temperature Temperature ET ate Time Import Energy III VA Menu y Export Energy 111 Fig 7 Measure menu tree 23 6 2 Device setup menu In the setup menu you can configure the different options of Computer Plus This menu is protected by a password You can browse the menus and see how the parameters are configured but you must choose the option to edit them on any screen A password will be asked before a modification is permitted The standard password is the sequence of 1 2 keys The menu layout is shown Fig 8 for more details see section 7 SETUP MENU SETUP LAM Ony Setup Edit without Reading Enabled Password HE Parameter MANUAL 4 kvar of each step Setup Menu I Parameter MANUAL h L4 Rated V of Capacitors Setup AUTOMATIC Setup or EDIT at ending Edit Parameter MANUAL cep Prim V Sec V 2 Parameter MANUAL Prim Parameter MANUAL 1
34. RS 485 control of capacitors Only TF versions 34 Terminal Communications RS 485 35 B Terminal B Communications RS 485 36 5 Terminal 5 Communications RS 485 37 Common Digital Inputs 38 01 Digital Input 1 39 D2 Digital Input 2 40 D3 Digital Input 3 41 4 Digital Input 4 42 D5 Digital Input 5 43 IF 51 Earth leakage transformer leakages Secondary 1 44 IF 52 Earth leakage transformer leakages Secondary 2 45 IC1 51 Metering transformer capacitors phase 1 Secondary 1 46 1 52 Metering transformer capacitors phase 1 Secondary 2 4 22 51 Metering transformer capacitors phase 2 Secondary 1 48 2 52 Metering transformer capacitors phase 2 Secondary 2 49 IC3 S1 Metering transformer capacitors phase 3 Secondary 1 50 IC3 2 Metering transformer capacitors phase 3 Secondary 2 3 3 Basic connection diagram The PF equipment requires current transformers which must be installed at the mains supply line so that the total current of the installation can flow through them load current current of the capacitors RIGHT CONNECTION M C B Capacitor Bank Main Circuit Breaker 15 WRONG CONNECTION B Main Circuit Breaker WRONG CONNECTION INCORRECT Main Circuit Breaker 16 4 SETTINGS AND START UP Read the safety instructions in the introduction of this manual You must respect these conditions to guarantee the safe operation of the u
35. SIC INSTRUCTIONS TO BROWSE THE 20 5 1 BROWSING THE MENUS FUNCTIONS OF THE KEYS 20 5 2 MAN IA 20 5 3 BASIC OPTIONS THE MAIN MENU eus didn alee 21 5 4 EDITING NUMERICAL OR LITERAL 5 22 6 SUBMENU LAYOUT 22 6 1 INTE ASU RE IME NU du 23 6 2 DEVICE SETUP MENU A dE 24 6 3 PT AR MCSE TP WEE NU D dad 25 6 4 Os MENU A ACA A 26 6 5 E 1 27 6 6 4 1107 2210 UU 2 dE el 28 7 JDEVICESEIUP SETUP NIENU 28 7 1 PASSWORD MM EIE M M 28 7 2 SEPDING Oct MAE 29 727 PU CPG
36. THD THD min Parameter MANUAL Delay Enabling Setup ELM 27 THDIL x IL ILhmin Delay Parameter MANUAL i o we Enabling Setup THDIL St ATHDIL when Ed c d ee MANUAL Ed Enabling a ee THDIC 1 THDIC 96min Parameter MANUAL A Delay Enabling Setup Menu Lx kvar not pensed kvari 2 ind cap Delay Parameter MANUAL Enabling Setup Relay configuration Alarm list with ENA or DIS Eu dl MANUAL NOTE The leak THDIC and parameters are only available for the T8 CDI and CDI versions of Computer plus Fig 9 Alarm setup menu tree 25 6 4 Alarm status menu This menu displays and allows resetting of alarms that have tripped but it can not be used to change the limits or activation status The menu layout is shown on Fig 10
37. act on the compensation process These parameters are 38 Date Time Display Communications Clear Update 7 3 8 Adjusting Capacitor Power This unit can be used to adjust the power of each capacitor step in the compensation unit The adjustment method is described in section 7 2 1 for the Plug amp Play settings NOTE Any power rating can be used on each step However these are usually established in ascending order respecting the 1 1 1 1 1 2 2 2 or 1 2 4 4 ratios In any case many other different ratios can be used such 1 1 2 2 3 3 5 8 7 3 4 Adjusting and configuring the nominal voltage of capacitors The second Plug amp Play step involves the selection of the nominal voltage of capacitors and a star or delta connection This information is usually shown on the label of the capacitors with the nominal power rating The adjustment method is as described in section 7 2 2 for the Plug amp Play settings 7 3 5 Adjusting the connections of current transformers CT Open the setup menu by following the process described in section 7 3 2 Select the V I connections option and press The screen on Fig 39 will be displayed In this case the phases connected to the VL1 VL2 and VL3 correspond to the phases where the A B and C current transformers are connected Therefore the default connection is VL1 with IA VL2 with IB and with The unit assumes this default connection and measures the cos The
38. al 343 Fig 16 Programming capacitor power Fig 17 Programming capacitor power the screen shown on Fig 17 each box represents a capacitor step and the number inside it states the nominal kvar of the capacitor Use the arrow to change the step being adjusted To adjust the first one press when it is highlighted and the screen shown on Fig 18 will be displayed where you can change the kvar of the highlighted step 30 IN CO 60 0 Total 240 00 LES Total 451 leat Fig 18 Programming capacitor power Fig 19 Programming capacitor power of the second step the screen shown on Fig 18 use the arrow change the digit and use the arrow to change the value kvar value will be programmed for each step and it will be confirmed by pressing NOTE After programming the first step all other steps will change their values using the value of the first one 30 kvar in the case shown on Fig 18 The screen on Fig 17 will be displayed and we can then program the next step Assume that second step is 60 kvar Select the second step with and repeat the operation to program value 60 When this operation is complete press and return to the screen shown on Fig 19 where the next steps have also adopted value 60 Number of steps The previous screens show 8 boxes when using Computer plus T8 and 14 when using Computer plus T14 When the unit has fewer steps
39. and are inductive values The delay time DelayT and trip mode NO NC DIS can be programmed IC out of range 1 The alarm limits by IC HI LO are programmed in 96 In this case instead of the delay the number of times that the See 9 4 2 anomaly must be detected before the alarm is tripped N Rep and the trip mode NO NC DIS can be programmed The alarm is only available in Computer plus T8 CDI and T14 CDI IL current A Alarm limits by IL HI LO delay and trip mode NO NC DIS Relay configuration It can be used to assign the alarms that switch the relay The relay switches when any of the alarms assigned is activated and when these are enabled and the global enabling is also activated OR function of all alarms assigned to a relay Current Failure Not programmable Not displayed on the menus It detects current in any of the three phases below 196 of the See 9 4 3 nominal value CT primary When there is a failure in all three phases Computer plus disconnects all capacitors and stops the regulation function 1 These parameters are only available in Computer plus T8 CDI and 14 2 In these parameters it does not make sense to have a minimum alarm so that LO must always be set to zero 3 All alarms excepts for leak has a minimum delay time of 1 s and those related to HD I and THD V of 2 s Table 9 1 Options of the alarm setup menu and description 54 Common alarm legends High alarm limit value
40. ay will start flashing to warn of this situation Set Blarm Alarms can not be configured on the display menu To program them enter the menu Set Alarm See the abridged menu tree in section 6 4 for a general outline of the measurement options available on the display menu 10 1 Opening the alarm display menu To open the alarm display menu go to the main menu Fig 90 Use the arrows 4 to select the folder and press The list of options will be displayed as shown Fig 91 Global Status OK Temperature Menuj Fig 90 Main menu Fig 91 Alarm display options 10 2 Alarm display options options available and their meaning are summarized on table 10 1 Each option can be selected with two different ways A Searching for the specific alarm and press B Moving onto the next or previous screen with the browsing arrows 58 Po Meaning 00 Shows the global alarm enable status The following can be displayed Global Enable ON Global enable activated and some alarm tripped OFF Global enable activated and no alarm tripped DIS Global enable deactivated All alarms disabled ______ 1215 1122 Temperature 20 general operation of the display menu 15 as follows When one leak A The alarm 5 available in of the alarms in the list on the screen in Fig 91 is selected the Computer plus T8 CDI and T14 CDI Compute
41. d type of activity NO NC DIS leak Alarm limits by leakage HI LO delay time DelayT and type of activity NO NC DIS See 9 4 1 The alarm is only available in Computer plus T8 CDI and T14 CDI The LO value must always be set to zero Alarm limits of phase phase voltage HI LO delay time DelayT and type of activity NO NC DIS THDV 2 Alarm limits by THDV HI LO delay time DelayT and trip mode NO NC DIS The LO value must always be set to zero THDIL x IL A 2 Alarm limits of total harmonic current HI LO delay time DelayT and type of activity NO NC DIS The LO value must always be set to zero THDIL Step 2 Alarm limits of an increase in the THDI HI LO when a C step is connected In this case instead of a delay the number of times the anomaly must be detected before tripping the alarm can be programmed Rep Likewise the type of activity can be programmed NO NC DIS The LO value must always be to zero THDIC 1 2 Alarm limits of THDIC HI LO delay time DelayT and type of activity NO NC DIS The alarm is only available in Computer plus T8 CDI and T14 CDI The LO value must always be to zero The LO value indicates the alarm level when there are no steps entered and the HI level indicates the alarm level when steps have been entered The delay time DelayT and trip mode NO NC DIS can be programmed The values are ordered from 1 to 1 are capacitive values
42. e results of automatic adjustments are shown on different screens as shown on Fig 30 to 33 33 Plug 5 Flay Flug Results 12418 12 18 01 11 12 18 81 50 51 58 51 57 91 58 51 52 51 50 Dir 123 nad Plug amp Play Phase allocation information j Plug amp Play Phase allocation information Plug Play Plug amp Play 81 58 51 50 51 52 Dir 123 ir gt 123 Prim 1000 Frim I 1000 End Flug and Play Ese 1179 Ese Fig 32 Plug amp Play Secondary sense phase Fig 33 End of Plug amp Play sequence and primary current transformers information 7 2 4 Interpretation of the settings made by Plug amp Play The screen shown Fig 30 shows information about the phase to which the current transformers have been connected CT If IA IB and IC are shown together with V1 V2 V3 and all are in the S1 S2 order each CT is connected to the correct phase and in the correct direction However if you have the example shown on Fig 31 this would mean that the current in phase C has been connected instead of B and vice versa and phase 3 secondary terminals of the CT have been inverted NOTE This information is usually correct if the load is inductive or slightly capacitive during the Plug amp Play setting cos phi between 0 65 inductive and 0 98 capacitive In any case if you consider that the connections are correct you can repeat the Plug amp Play setting and if
43. ection of a certain number of steps causes resonances in the installation Computer plus shows the values of THDV and THDI for each phase in these menus and the keys can be used to connect and disconnect steps sequentially Fig 106 If there is a huge increase in the THDI when the installation is overcompensated or for a certain combination of capacitors connected this might mean that there is resonance in the system If the unit does not have filters this would indicate that it would be advisable to install them 12 3 Capacitors test The last option in the Test menu is the Capacitors test This test menu has been designed to test the power of each individual capacitor When you open the Capacitors test menu after pressing on the option as shown on Fig 107 Computer plus will show the screen on Fig 108 In case there are some capacitors connected only the L button will be active Keep this button pressed to disconnect the capacitors sequentially The computer will ask you to introduce the password before starting disconnection see section 7 1 Once all the capacitors are disconnected two more buttons appear Fig 109 3 4 5 5 1 est eos d kart T 0 Resonance test kart T 110 RRO Capacitors test kvart T 1 1 Fig 107 Capacitor Test Selection Fig 108 Disconnection of capacitors 66 Press the button so that Computer Plus will highlight the first capacitor which can be connected
44. h relay outputs there are no options available Mode You can choose between RUN or STOP which can be used to start or stop the Computer plus edit a field follow the process described in section 5 4 7 3 10 Adjusting the Date and Time Open the setup menu by following the process described in section 7 3 2 Select the Date Time Fig 52 option and press screen on Fig 53 will be displayed Press to adjust the desired day month year and hour minute second values edit a field follow the procedure described in section 5 4 43 Compensation Date Time Date 413703408 en Time 08 05 31 Display a Fig 52 Date and Hour Adjustment Menu Fig 53 Edit Date and Hour Adjustment Menu 7 3 11 Adjusting the Display Open the setup menu by following the procedure described in section 7 3 2 Select the Display Fig 54 option and press The screen Fig 55 will be displayed Press to adjust the desired parameter values Date 7 Time ain Display Lang English Communications 5 a Edit Fig 54 Display Adjustment Menu Fig 55 Edit Display Adjustment Menu following parameters can be configured Cont Adjust the screen contrast Adjustable between 00 and 99 BLight This option adjusts the display s back light The settings are ON Always on OFF Alwa
45. hat allows the quick and efficient execution of advanced control algorithms The Computer plus T regulators described in this manual are relay output regulators to be used with contactors driven capacitor banks For more information about the fast model see manual 98223301 03 AAx AAx AA are the two last figures of the revision year and x is an alphabetic character A Z which indicates the version TI E L1 V Io ee EARTH URN LEAKAGE ALARM THREE PHASE MEASUREMENT Fig 1 Schematic diagram of connections Types basic functions TYPE 220 OUTPUT METERING OTHER FUNCTIONS Computer plus T8 110 480 8 Relays Three phase Basic type Basic type Communications Leakage Computer 8 110 480 8 Relays Three phase metering Capacitor metering Computer plus 114 110 480 14 Relays Three phase Basic type f Basic type Communications Leakage Computer plus T14 CDI 110 480 14 Relays Three phase metering Capacitor metering 2 Power supply circuit Voltage circuit Measuring range Maximum burden Frequency Current circuit Rated current Admissible overload Burden 5 A and 1 A TECHNICAL SPECIFICATIONS 110 at 480 V a c 50 60 Hz 10 Burden Without relays
46. he keys La to change the harmonics cursor The harmonics order lower part and value top part will be displayed on the right of the screen Use the Zoom key to expand the vertical scale Fig 101 2 34551 5 23 37 I 23 01 9 oe 9 IMena 4 Fig 101 Graphical display of harmonics with Fig 102 Display of THDV or THDI zoom screens that display the current and voltage THD Fig 102 show the option which can be used to display the maximum THD values recorded The date and time when the maximum value was produced can also be displayed with the and dynamic keys go back to any of the harmonics display submenus press or 12 TEST Computer plus has a powerful Test menu that allows you to check the power factor compensation unit and check whether it is adapted to the installation being compensated or not This menu has been designed to check the status of components in the bank after start up and the potential resonances between the equipment and certain loads in the installation The Test menu offers three options Test cos Resonance test Capacitors test 12 1 Opening the Test menu To open the test menu go to the main menu Fig 103 Use the arrows 4 to select the folder and press A list with the three options available will be displayed Fig 104 64 set Alarm Test cos g Resonance test ca
47. laying the date and time when they occur see Figs 80 and 81 To exit these submenus press Esc Hax Date I 12 120 001 1 12 137034708 Wes 420 001 Nes 153703408 121 420 001 31 153703408 Ese Date Ese JC Fig 80 Maximum value screen Fig 81 Maximum value screen Date and hour 52 9 ALARM SETUP Computer plus has a series of alarms that can be configured according to projection needs See the abridged menu tree in section 6 3 for a general outline of the alarm options available 91 Opening the alarm configuration menu To open the alarm setup menu go to the main menu Fig 82 Use the arrows 4 Set the folder Set Alarm and press The list of options will be displayed as shown Fig 83 Temperature C info v Fig 82 Main menu Fig 83 Set alarm menu You can browse each alarm to see how they are programmed However when you wish to edit a field a screen will ask for the password Fig 13 Follow the instructions described in section 7 1 to enter the password 53 9 2 Alarm setup options Table 9 1 shows a summary of each alarm option that can be configured and table 9 2 defines each option available 0 Programmable alarm parameters Global Enable Global activation of all alarms Temperature Alarm limits by temperature HI LO delay time DelayT an
48. low this procedure Open the setup menu by following the procedure described in section 7 3 2 Select the Tact Trec option and press The screen on Fig 49 will be displayed Press to adjust the desired value To edit a field follow the procedure described in section 5 4 Target cos g T act 0210 T rec 4 v Ress Fig 48 Tact Trec Menu Fig 49 Edit Tact Trec Menu 7 3 9 Adjusting the compensation mode Various parameters related to the compensation mode can be adjusted To do so follow this procedure Open the setup menu by following the process described in section 7 3 2 Select the Compensation Fig 50 option and press The screen Fig 51 will be displayed 42 Press to adjust the desired parameter values Tact Tree Comp TRIFH FCP Compensation Contr SEC Date Time Mode STOP 4 LOK Fig 50 Tact Menu Fig 51 Edit Tact Trec Menu options available are TRIPH In the case of Computer plus 8 or 114 with relay outputs this is the only option available FCP or LINEAR This option is related to steps sequence FIFO FCP or LIFO LINEAR The FIFO mode means that the first in is the first out disconnected and the LINEAR mode means that the last one in is the first one disconnected SEC In the case of Computer plus 8 14 wit
49. must be observed Before connecting the units make sure the earth terminals have been connected correctly defective earthing connection may cause the unit to work incorrectly and represent a danger of electric shock to the user the person operating it Maintenance must be performed taking the necessary precautions to avoid electrocution and electric shock Before any intervention we recommend you ensure the unit has been disconnected and wait during the time necessary for the capacitors to discharge fully We recommend the use of safety goggles and gloves when necessary If the PF compensation units are connected without load resonance may occur so that the voltage harmonics may be amplified and may damage the compensation unit and other equipment connected to the network The start up and interruption procedures indicated in the manual must be followed to avoid damaging the unit and or adjacent units The adjustment or replacement of components or parts of the unit must be made with original replacement parts and in accordance with the procedures described in the corresponding instruction manual 1 COMPUTER PLUS T POWER FACTOR REGULATORS The regulators in the Computer plus series are power factor regulators that incorporate the latest advances in technology regarding reactive energy compensation and harmonic filtering both in systems with contacts and in fast systems The core of the controller is a state of the art DSP processor t
50. n 7 1 After entering a valid password the screen shown in Fig 33d will be displayed Select the option using the button and press Edit to set it to Fe setto using the button Press OK to confirm if it was previously Primi 00005 Sec It 3 Pannen 11 55 PrimIF 200 enu av Fig 33d CDI setup menu In this case the Plug amp Play settings will continue on from the screen shown in Fig 33 displaying the results of the automatic settings on successive screens just like for the Plug amp Play of the external transformers 36 7 3 MANUAL Setup Even though the easiest way of configuring Computer plus is with the Plug amp Play option all of the unit s parameters can also be configured manually 7 3 1 General information about the Setup menu To edit a field follow the procedure described in section 5 4 The screen displayed on Fig 33b will be displayed at the end of the adjustment process on any setup screen final validation of settings with showing the cos each phase and three phase The unit shows also in reverse video which steps will be connected the settings are accepted and the unit 15 put in mode The menu bar shows the options to continue editing values when you press Edit The unit will start up when you press At the end of the setup process when the values displayed on the screen seem logical both in terms of cos values and ca
51. n section 5 4 7 3 13 Adjusting Clear Update This option can be used to delete the maximum or minimum records and enter the device s reprogramming system Open the setup menu by following the process described in section 7 3 2 Select the Clear Update Fig 58 option and press The screen on Fig 59 will be displayed Press to adjust the desired parameter values 45 Display 2 Communications La Clear Update fiom Fig 58 Clear Update Menu Fig 59 Edit Clear Update Menu following parameters can be configured Max Deletes the maximum and minimum values recorded Energy Resets energy meters Update This option updates the unit s software when the adequate software is used This option is only available for CIRCUTOR s technical service 7 3 14 CDI module settings If using a Computer plus T8 CDI and T14 CDI regulator it is possible to enable the function for measuring the current absorbed by each phase of the automatic capacitor bank the value of the voltage transformer primary to use to measure said current and in the event that an earth leakage transformer is to be installed to control the leakage intensity from the capacitor bank the number of turns of said earth leakage transformer To adjust the parameters follow these steps Open the setup menu by following the procedure described in section 7 3 2 Select tne option Fig 59b and pres
52. ne of the corresponding screen For example on the screens on Figs 5 and 6 the functions of the keys correspond to the indications on the boxes on the lower part of the screen In general you can return to the main menu from any screen by pressing the F1 key until the screen shown on Fig 6 is displayed 5 2 Main menu and default menu Normally when you power the device it performs an initial test and during this time it shows the start screen Fig 3 After 5 seconds it will show an information screen Fig 4 with the model software version language date and hour and serial number Model T Version 1 01 CIRCUTOR Computer Lang English 06 05 21 Serial Hum 414814003 Fig 3 Start screen Fig 4 Information screen After 5 seconds showing the information screen the unit will display the default screen Fig 5 When the unit is in the STOP MODE it will display a message on the top part of the screen relay indication screen of Fig 5 In this case the setup must be checked see section 7 1 2 3 4 5 bh 17 Setup Set Alarm 119 21 1 91 lll 41 39 Ind Ill 1385 55 PF ill d 97 Test a Fig 5 Default screen Fig 6 Main menu 20 All screens will display the menu browsing options on the lower part of the screen which must selected by pressing the 1 2 or keys depending on the option selected Therefore to move fr
53. nit and keep it in good condition regarding safety The unit must not be used and programmed until it has been installed in its position in the electrical panel with the adequate protection elements If you use the unit in a way that is not specified by the manufacturer the protection of the unit may be compromised If the unit has been damaged burnt or hit by any element the internal circuits might have been damaged and the safety protection elements might not been in full working order In this case disconnect the power supply and contact the authorized Technical Service to request a replacement 4 1 Checks before the unit is powered Before powering the unit check the following points a Auxiliary power supply Voltage 110 480 V a c 10 Frequency 50 60 Hz b Rated voltage in voltage measuring circuit Maximum rated voltage 300 V a c 520 V a c Frequency 45 65 Hz c Rated current in current measuring circuit Secondary 5 A 5 A a c Secondary 1 A 1 A a c d Working conditions Operation temperature 10 50 C Relative humidity lt 95 without condensation e Safety Designed for installations CAT 300 520 V as per EN 61010 Protection against electric shock by means of Class II double insulation The unit is intended to be installed in the panel door according to DIN 43 700 Drill panel 138 x 138 mm 17 All connections keep
54. not connect each transformer to the corresponding phase the Plug and Play setting can be used to detect them automatically In addition they can be configured manually with the Connection of Transformers V I option in the Setup menu folder Make sure that the cables 51 52 coming from the secondary connections of the current transformers are connected to terminals 51 52 of the Computer plus unit If you do not connect each transformer to the corresponding phase the Plug and Play setting can be used to detect them automatically In addition they can be configured manually with the Connection of Transformers V I option in the Setup menu folder 18 4 2 Energizing the regulator device can be energized once the power supply and measuring cables have been connected After energizing the Computer plus unit and waiting for a start up time of 10 seconds the device will Start to display the values measured Some information might not be coherent cos out of reasonable margins active power values with a negative sign etc This is usually the result of incorrect connections current transformers connected to the incorrect phase or inverting 51 52 Any of these errors can be solved without changing the cables simply enter the setup menu of the device select option Connection of Transformers V I see section 7 3 or execute the Plug and Play option see section 7 2 NOTE If you connect the unit and it does not operate
55. ntact our technical service at CIRCUTOR S A CIRCUTOR S A After sales service Vial Sant Jordi s n 08232 Viladecavalls Barcelona SPAIN Tel 34 93 745 29 00 Fax 34 93 745 29 14 E mail central circutor es 68
56. o edit numerical or literal fields Editing is usually done as follows Press the key and the following menu will be displayed Esc av Eait Select the field you wish to edit pressL UK The menu will be displayed Esc a ok When editing numbers press the to change the number being edited which will appear underlined and with you can change the numerical value in cycles 0 to 9 When you reach the value desired move onto the following character and press LOK when you are finished f the value edited is incorrect or out of the limits then when you press ok the previous value will be kept When you wish to edit fields with different options menu will be displayed and you can change the option with the 4 key When you reach the desired value press 6 SUBMENULAYOUT Each of the basic functions described in the main menu folders has a series of options or submenus that allow you to configure the device or check the status of the different values controlled by the Computer Plus The layout of the different submenu options is shown next A detailed description can be found in section 7 22 6 1 Measure menu The measure menu allows the display of all the parameters measured or calculated by the device The layout is shown on Fig 7
57. om the default screen Fig 5 to the main menu Fig 6 press Computer plus will jump directly to the default screen when key has been pressed during period of two minutes 5 3 Basic options of the Main Menu After powering the Computer plus and completing the start up process simply press the 1 various times to access the main menu Fig 6 6 folders will be displayed on the main menu which correspond to the basic functions that can be executed by Computer Plus Said functions are Measure Displays the parameters measured Voltages and currents and other parameters calculated Power power factor etc e Setup Used to adjust the unit and adapt it to the application conditions Set Alarm Alarm Setup Used to adjust the maximum and minimum trip delay etc values Alarms Shows the state of alarms Harmonics Shows the voltage and current harmonics Test Manual connection and disconnection of steps and test of the system On the bottom of the main menu there are a series of menu options that can be selected with the 1 2 and 4 keys The different menu options Access a screen that indicates the name of the unit and the model version and serial number a Used to browse through the main menu select the desired option To select an option and to access the desired menu 21 5 4 Editing numerical or literal fields menus show the option t
58. ow 1 Computer plus will disconnect all steps and stop the regulation process 9 4 4 Earth Leakage Transformer Failure Alarm Only in T CDI types This alarm can not be programmed Computer plus is configured by default so that when the secondary circuit of the WG earth leakage transformer is open and the I leak alarm is enabled the alarm will trip This alarm status will be displayed on the screen of Fig 96b 9 5 Programming the alarm relay There is only one alarm relay and it can be used with any OR combination of the available alarms To open the relay configuration menu in the Set Alarm list select the Relay configuration option and press see Fig 88 Thelist of alarms will be displayed Fig 89 and you can assign the alarms that will make the relay switch ON and which will not make it perform the switching action OFF The relay is switched when any of the alarms assigned trips provided that these are enabled and that the global enabling option is also activated It out of range tage Low current THD gt OFF Relay configuration IL Hi OFF a Ese av Edit Fig 88 Configuring standard alarm screens Fig 89 Editing standard alarm screens 57 10 VIEWING THE STATE THE ALARMS Computer plus has a menu to display the status of alarms ATTENTION When an alarm has tripped and the global alarm has been activated the back light of the displ
59. pacitor steps that will be connected press Otherwise press to return to the setup menu and check for any errors 5 6 7 3 0591 Tr ind core 0 f hind cosas D Tr ind ind Edit Fig 33b Exit any setup screen 7 3 2 Entering the setup menu enter the setup menu open the main menu Fig 34 Use the arrows to La J select the folder and press The list of options shown on Fig 35 will be displayed 37 Capacitor info Mes J w Fig 35 Setup menu Fig 34 Main menu You can browse any parameter to see how it is programmed However when you attempt to edit a field a screen will ask for the password Fig 36 Follow the instructions described in section 7 1 to enter the password If the unit is in operation the screen shown on Fig 37 will appear before the setup process is carried out 1 2 3 d 5581 8 Please Passi Capacitors 8 EH J Fi Fa Fx Fa Fig 36 Password request Fig 37 Setup with connected steps The indispensable parameters that must be configured to start up the Computer plus are Power Capacitor V I Connections Transf Ratio Compensation Target Cos tact trec Apart from the minimum parameters shown on the previous list Computer plus has a series of subjective parameters that do not have a direct imp
60. pacitors test Fig 104 Options of the Test menu options can be selected with the L4_ and L_ _ dynamic keys then press 12 2 Test cos and Resonance test These two options must be used at the same time The purpose is to execute the manual connection and disconnection of capacitors while displaying the cos or THDV and THDI of each phase This allows you to check that the compensation unit is working correctly and whether the connection of a certain number of Capacitors is causing resonances in the installation or not Each test is carried out as follows The Test cos option of Computer Plus shows the cos of all phases and the type inductive or capacitive as well as the cos III total and its type Fig 105 12345015 51111111 12345115 51411111 cosa 1 31 cose THON 1 3 81 9 1 3 11 1 9 coxa ind THOM 1 9 THO 21 1 Ese v Ese Fig 105 Main menu Fig 106 Options of the Test menu Use the keys to connect disconnect the capacitor steps sequentially While doing so check how the cos changed when entering or removing steps This can detect current transformers that are not connected correctly or check whether the compensation is as expected or not 65 The display of Test cos be changed to the Resonance test screen with the and 4 dynamic keys The Resonance test option allows checking if the conn
61. r shows if the selected alarm is tripped or disabled ON Ph Ph Voltage V Voltage phase phase Enabled and tripped THDV 96 Enabled and not tripped THDIL x IL step THDIL step If the alarm is ON press Date to display when the alarm The alarm is only available Was tripped and press Data to display the maximum and or THDIC Computer plus T8 CDI and T14 CDI minimum value that the variable reached to trip the alarm kvarntcompnsed Press the dynamic key to reset the alarm although this can be Cos q o tripped again if the anomaly is not corrected The alarm 5 only available in exit the display of a specific alarm press Ese and press Computer plus T8 CDI and 14 0 to return to the main menu The leakage and IC out of margin alarms have a special behavior IL current A as described in sections 10 2 2 and 10 2 3 It can be used to view the alarms that switch the relay The relay is Switched when any of the alarms assigned is tripped OR function of all alarms and the 5 relay is configured as ON This alarm can not be programmed The alarm is tripped when the measured current in one of the Current Failure since itis a default system alarm phases is under the device s detection threshold See section 10 2 4 Table 10 1 Options of the alarm display menu 10 2 1 Parameters displayed on the alarm status screens
62. rm screens Fig 87 Editing standard alarm screens 9 4 Special Alarms scenarios Some alarms have certain peculiarities In particular this section describes the three alarms that have a special behavior 9 4 1 lleak Alarm This alarm can be used to disconnect a faulty capacitor when it is found to be the cause of a leak When the Computer plus with CDI module and external earth leakage transformer installed detects a leak it triggers the alarm completely disconnects the capacitor bank and starts a procedure to detect which capacitor s are causing the leak During this procedure the regulator screen will display the message PROC ALARM I LEAK in the upper portion and the capacitors will be connected and disconnected in sequence order to find out which of them are causing the leak or whether the leak has been provoked by something other than the capacitors Upon finishing the search procedure the device will deactivate the use of those capacitors that have been found to be the cause of the leak and normal operation will resume with those capacitors remaining inactive The alarm will be reset and the message ALARM will be displayed in the upper portion of the screen alternating with the normal indication of connected steps and the display light will blink continuously If the user wishes to reactivate the capacitors he or she will have to go to the relevant alarm viewing screen see section 10 2 2 reset the alarm and once again
63. rmers are connected Therefore the default connection is VL1 with ICA VL2 with VL3 with IcC The location of the current transformers should be checked visually and if necessary this screen should be edited in order to make the necessary changes To edit the screen press the option and a screen like the one shown in Fig 59f will be displayed Use the arrow to change the field being edited and press again to change IB for IC for example or 51 52 for 52 51 47 Fig 59f CDI transformer connection menu Once we have finished making the correct settings press and the connections of the transformers for the CDI modules will be set 8 DISPLAY OF VARIABLES MEASURE MENU Computer plus has a menu with a series of options that can be used to display the measurements of the most important variables of the installation where the power factor is regulated See the menu tree in section 6 1 for a general outline of the measurement options available 81 Opening the measure menu To open the measure menu go to the main menu Fig 60 Use the arrows 4 to select the folder and press The list of options will be displayed as shown on Fig 61 me Set Darm Power cos s PF Status Ill info Fig 60 Main menu Fig 61 Setup menu 82 Measurable parameters The options available and measurable parameters are summarized on table 8 1 Each option
64. s The screen shown in Fig 59c will be displayed Transf Ratin Prime 00005 Configuration sec If Conme yeg 1 1 Cap connections PrimIF 5200 a Fig 596 Setup menu Fig 59c CDI setup menu 46 Press Edit to set the desired parameter values The following parameters can be set PrimlC Nominal value of the current transformer primary Sec PrimIC Nominal value of the current transformer secondary Conex Enabling of the function to measure the current absorbed by each phase of the automatic capacitor bank PrimlF Sets the number of turns of the earth leakage transformer If this is of the CIRCUTOR WG type this value should be 500 If it is of the CIRCUTOR WN type it should be 1000 To edit a field follow the procedure described in section 5 4 7 3 15 Setting the current transformer connections for the CDI module Open the setup menu by following the process described in section 7 3 2 Select the displayed a option Fig 59d and press The screen shown in Fig 59e will be Transf Rati w2 J um oe Configuration COL Tel connections em 5c 51 52 1 Em Fig 59d CDI transformer connection Fig 59e CDI transformer connection menu On this screen the phases connected to the VL1 VL2 and VL3 input terminals correspond to the phases where the A B and C current transfo
65. the results are the same there is a high probability that the connections are as detected by the automatic setting unit The screen on Fig 32 shows information about the phases sequence connected to V1 V2 V3 and about the CT s ratio both detected by the Plug amp Play automatic setting system The final automatic setting is shown on the screen displayed on Fig 33 indicating the end of the Plug amp Play 34 If there is an error message at the end of the automatic adjustment process carry out the process again and if the error persists the system must be adjusted manually as described in section 7 3 there is no error message at the end of the automatic adjustment process we will press the key to check whether the values of cos and the number of steps to be connected are logical or not see Fig 33b If we consider that these values are correct then we must press again the key to start the regulator operation 7 2 5 Default Plug amp Play Values Some parameters affect the compensation process and they are configured by the Plug Play by default The default values of the parameters are shown on table 7 1 Parameter Meaning Defaulvalues COS objective Desired cos value qo Default connection of Goss confiddrali n capacitors tem Reclosing time of the same step Transformer ratio of voltage measurement V1 V2 voltage transformer transformers generally 1 except the 1 1 case of MV or HV 5
66. up menu The following data must be entered in this option Power of each capacitor step Voltage and connection of capacitors star or delta ATTENTION 1 During the Plug amp Play setup the device will connect a capacitor step to measure the ratio of the current transformers CT 2 kvar data of each capacitor step at nominal voltage is labeled on each capacitor With this information the device can configure all other parameters by simply pressing a key thus saving time and preventing any errors After calculating the installation s setup and before starting the automatic regulation mode the device will display a report of the setup of the different parameters and request for confirmation The steps that must be followed to configure the device in the Plug amp Play mode are as follows 29 7 21 Plug amp Play Step 1 Goto the main menu Fig 14 Usethe arrows to L3 e select the folder and press Fig 15 will be displayed on the screen info Fig 14 Main menu Fig 15 Setup menu Select the option and press The screen shown Fig 16 will be displayed Press and the password screen will be displayed if the edition is locked Follow the steps described in section 7 1 After entering the password the screen shown on Fig 17 will be displayed 8 2512 515 0150 0 100 50 0 m 343 15 Tot
67. values are shown on the top part of the screen and the phase sequence on the right 123 or 132 The sequence is measured on the voltage signals 132 is displayed change the VL2 VL3 voltage cables to correct the situation When they are in the correct place the system will show 123 0 9 ind 0 6 cap 1 0 cose NL IL IL 25 I I connections It 122 Tranzf Ratio 51 52 51 52 81 50 4 _______ Plug Play 39 Fig 38 Connection of transformers Fig 39 Transformer connection menu The screen displayed on Fig 39 shows that the VL1 VL2 and cables might not match the corresponding current transformers The cos values are not coherent with the expected results an inductive phase and two capacitive phases Therefore we must edit the values on the screen for example changing IB by IC and inverting 51 52 until we obtain set of coherent cos values To edit press the option and the screen shown on Fig 38 will be displayed Use the arrow to change the field being edited Pressing again we may change IB by IC for example or S1 S2 by 52 51 If you do not know how the cables of the current transformers CT s are connected try various combinations until you obtain a coherent cos reading Imagine this can be achieved with the setup shown on Fig 41 This would mean that the CT of phases 2 and 3 are changed and that the secondary of phase 3 has 51
68. ys off 10 90 or 180 Seconds during which the back light of the display is on after the last key has been pressed Lang Choose Spanish or English To edit a field follow the procedure described in section 5 4 44 7 3 12 Adjusting Communication Settings This option is used to adjust the communication parameters when the Computer plus unit is integrated in a network with Power Studio To adjust the parameters follow these steps Open the setup menu by following the process described section 7 3 2 Select the Communications Fig 56 option and press The screen Fig 57 will be displayed Press to adjust the desired parameter values Display did 2 Communications Paud 19200 Parity HOHE Clear Update Bits 1 a v Fig 56 Communications Adjustment Menu Fig 57 Edit Communications Adjustment Menu following parameters can be configured Perip Adjustment of the peripheral number when Computer plus is in a network of instruments connected to Power Studio 5 Adjustable between 001 and 255 Baud This option adjusts the communication speed Baud rate The options are 9600 19200 38400 and 57600 Parity Adjusts the parity The options are None Even Odd Bits Adjusts the number of bits and Stop bits The options are 8bits 1stop or 8bits 2stop To edit a field follow the procedure described i

COMPUTER plus T8/14 INSTRUCTION MANUAL

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