unigen plus - CRE TECHNOLOGY
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1. i Slave generator kW gr I I I I RENEE ANE EE lt 4 Low limit l l l l I I I I 1 pre I L I I I BREAKER IN TRIP OUT START ON LOAD REQUEST l I I l I I Unload decision l Start r quest I Start on load request delay FIGURE 8 AUTOMATIC LOAD UNLOAD PRINCIPLE Note at start up START ON LOAD REQUEST relay is closed All generators are started because it is impossible to know the level of load before start 4 3 LOAD RAMP MANAGEMENT 43 1 RAMPS Ramp sequences e The first generator on the bus bars takes immediately the load with no ramp e The other generator load ramp stops when generators reach the load setpoint average power plant load e The unload ramp stops when the power reach 5 of its nominal power Load and Unload ramp rates are using the same potentiometer The single turn potentiometer named RAMP TIME adjusts the ramp time from 0 seconds to 180 seconds This setting is the time to transfer 100 of the nominal power Power plant power 100 60 Ramp Time Load Time 0 36sec FIGURE 9 RAMP SEQUENCES A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 16 4 5 2 AUTOMATIC TRIP OUT TRIP OUT relay terminals 7 and 8 is used to open the breaker once the unload ramp is finished The relay is closed when the kW of the generator which is unloading reaches 5 of the nominal kW TRIP OUT green LED is lit to c2. For this specific droop it is not needed to set precisely the engine speed and any connections are required between each UNIGEN even the OV kW and kVAR load sharing are managed with droop Freq 50 50Hz 50 00Hz KW 0 100 FIGURE 6 DROOP LOAD SHARING Y2 AUTOMATIC LOAD UNLOAD REQUEST The START_ON_LOAD_REQUEST relay output can be used to start and stop the slave generators depending on the power plant load START_ON_LOAD_REQUEST green LED confirms the activation of the relay e LEDON contact is closed e LED OFF contact is open This feature can be used when UNIGEN modules are connected through CAN bus If the power plant load goes below 2096 of the nominal power during more than 2 minutes then a slave generator will be elected to stop If the power plant load goes above 70 of the nominal power of the power plant during at least 10 seconds then a slave generator will be elected to start If the load is between 2096 and 7096 of the nominal power then the actual number of generators on the bus bars will not change until either 2096 or 7096 threshold is reached NOTE Thresholds and timers described above can be changed using CRE Config software to tune up modules depending on your application Refer to Plug n Play CAN protocol chapter for more details concerning attribution of a generating set number to each UNIGEN module A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 14 Fi
3. UNIGEN UNIGEN PLUS Synchronization and load sharing module Part Number A51 ZO 9 0004 EN CRE Technology believes that all information provided herein is correct and reliable and reserves the right to update at any time CRE Technology does not assume any responsibility for its use E amp O E CRE TECHNOLOGY 3 130 All e Victor Naudin Zone des Templier Sophia Antipolis 06410 Biot FRANCE Phone 33 0 4 92 38 86 82 Fax 33 0 4 92 38 86 83 Website www cretechnology com Email info cretechnology com NOTE Read this entire manual and all other publications pertaining to the work to be performed before installing operating or servicing this equipment Apply all plant and safety instructions and precautions Failure to follow instructions can cause personal injury and or property damage Motors turbines and any other type of generator must be equipped with protections overspeed high temperature low pressure depending on the power plant Any changes of the normal use of the equipment can cause human and material damage For further information please contact vour CRE technology distributor or the After Sales Service Team All CRE Technology products are delivered with one year warranty and if necessary we will be happy to come on site for product commissioning or troubleshooting The company also provide specific trainings on our products and softwares Technical s
4. 5 Also see dedicated commissioning chapter Single turn potentiometer 0 to 10V pc Span adjustment of the speed control output 5 Also see dedicated commissioning chapter Multi turn potentiometer 10 to 10 Voc Offset adjustment of the voltage control output 5 Also see dedicated commissioning chapter Single turn potentiometer 0 to 10Vpc Span adjustment of the voltage control output 5 Also see dedicated commissioning chapter Generator nominal kW D See dedicated commissioning chapter to adjust this potentiometer correctly TABLE 3 POTENTIOME TERS A51 ZO 9 0004 K EN Technical documentation docx Chapter Settings 23 EE Description SWT1 CANBUS OFF 1200 SPEED REV DIRECT PLINES CANBUS SW OFF ON SWS OFF ON 5W6 OFF ON Swi OFF ON MODBUS OFF 1200 SW2 SW3 SWA SW5 SW SW7 SW 1200 CAN bus termination resistor OFF termination resistor is not connected ON termination resistor is connected speed output slope sign OFF reverse speed regulation for GAC speed regulator ON direct speed regulation for other speed regulators load sharing communication OFF kW load sharing set point comes from paralleling lines ON kW load sharing set point comes from CAN bus UNIGEN PLUS only kW monitor output signal OFF 0 5Vpc and O 20mA output signals ON 4 20mA output signal synchronization OFF SYNC OK relay closes only when synchronisation co
5. Frequency of generator and bus bar within a 30 130 window from nominal frequency e Phase Angle difference between generator and bus bar lt 10 e Frequency difference between generator and bus bar lt 0 01Hz e Phase sequence correct Switch SW5 allows or not to close the generator breaker even if SYNC IN logical input is not active Switch SW6 allows or not to close the generator breaker on a dead bus bar Table below describes the behaviour of SYNC OK relay depending on the actual setup of your module and according to voltage measurements on generator and bus bar sides Logical inputs Configuration Electrical conditions BREAKER IN SYNC IN SW6 Dead bus Ao AHz AV SYNCH OK Dead Bus bar ras No voltage on phase manual auto bus sequence OFF X X NOK open Active X X NO OK closed FG ON X YES NOK closed ON X NO NOK open Inactive X OFF X X open not connected OFF ON X NOK open Inactive X ON NO OK closed not connected ON ON YES NOK closed ON ON NO NOK open TABLE 1 SYNC OK LOGIC TABLE X Do not care NOTE Since firmware v1 28 SYNC IN input is taken into account only if both generator and Mains Bus frequencies are greater than a predefined percentage of nominal frequency This percentage can be changed using parameter E01226 It is factory set to 0 to help you check AVR and speed output range during commissioning but it may be useful to set it to a higher value e g 80 depending on your use of SYNC IN
6. Trip out NO Breaker IN Gen I1 LA CRE Bs UNIGEN A CRE U B UNIGEN Parallel lines low 3 V Barber Colman u PowRcon Barber Colman o UNIGEN Gen L1 2 PLUS Gen L3 1004 480 V Woodward 2301A Surge diverter AVR out AVR out Speed Ref CW 5V Peed oU d kw setpoint 41 lt ij Speed CW 5V Speed setpoint Speed CCW 5V T o kW out 5V T uH Power monitor c Su E 5kQ potentiometer 7 0 5V or kW out 0 2s S SE Or E e S o Ss ote E EN 0 20mA a Se GEN 0 5V 6 kW out 20mA c c v 5kQ potentiometer zm F 5440 or 6 5V Chassis 5A isolated from E l power supply Alim Alim ra S ad From speed Battery 2 governor 4 mm FIGURE 14 WIRING DIAGRAM UNIGEN PLUS only A51 ZO 9 0004 K EN Technical documentation docx Chapter Terminals 7 3 CONNECTION TO A CUMMINS EFC SPEED REGULATOR Due to the big sensitivity of Cummins EFC speed input wiring should be applied as shown below This allows a higher voltage span on UNIGEN speed output __6 UNIGZ SYNCHRONIZER mon ni LOAD SHARER CUMMINS EFC Speed governor FIGURE 15 EFC CUMMINS CONNECTION 7 4 CONNECT
7. each module using parameter V02192 Do not forget to save parameters in FLASH memory so the setup will be kept even if power supply is lost 4 2 LOAD SHARING USING PARALLEL LINES UNIGEN PLUS When DROOP input terminal 4 is open and switch SW3 plines canbus is on plines position OFF UNIGEN PLUS is set to isochronous load sharing mode it compares its power with the level of the paralleling lines and generates an output signal to the speed governor to adjust its power Voltage on parallel lines terminals 44 and 45 3V OV KW 0 100 FIGURE 4 ISOCHRONOUS LOAD SHARING WITH PARALLEL LINES Parallel lines are compatible with other analogue sharing lines products on the market This can be useful to extend power plants with heterogeneous control units Examples of such products are e GENSYS GENSYS 2 0 product range from CRE technology e Barber Colman products ex DYN2 80109 Pow R Con e Woodward 2301A controller A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 13 MICS Process II Carantec board cr cs UNIG N SYN CHRONIZZI i amp LOAD SHAVTELN D Hi PARALLEL LINES il LO 13 Parallel lines 44 Parallel lines FIGURE 5 CONNECTING WITH CARANTEC BOARDS q DROOP LOAD SHARING When DROOP terminal 4 input is connected to 0 Vpc UNIGEN is in Super droop mode In this mode the load sharing is managed between 50 50Hz 0 load and 50 00Hz 100 load
8. set E01228 to 1 In this case external speed potentiometer value will be memorised just before the generator breaker is closed 4 5 PWM 500HZ A5SIM 141 MODULES ONLY UNIGEN PLUS offering PWM output feature are identified with a modification label A51M141 This option must be specified when ordering parts from your dealer Connection to the speed regulator must be done as shown below OFFSET GAIN OUT PWM 500Hz O SPD ov FIGURE 2 500HZ PWM OUTPUT To regulator To OV regulator The output is protected against short circuit to OV The PWM adjustment is done with the OFFSET and GAIN potentiometers of the speed output Picture below shows the behaviour of the potentiometers on the output signal OFFSET gt 5V GAIN t FIGURE 3 PWM OUTPUT SETTINGS q CAN BUS LOAD SHARING When DROOP input terminal 4 is open and DIP switch SW3 plines canbus is set to select CAN bus ON position for UNIGEN PLUS UNIGEN is in isochronous load sharing mode The load setpoint will be calculated via the CAN connection Up to 8 UNIGEN modules can be connected via CAN bus The CAN bus needs terminal resistors at each end of the bus Switch SW1 CAN bus termination resistor OFF 1200 to ON position on the first and last UNIGEN modules connected to the physical CAN bus SW1 should be switched OFF on all other UNIGEN modules A51 ZO 9 0004 K EN Technical documentation docx Chapter Feat
9. 107 Replacing a Barber Colman DYN2 90300 by a UNIGEN NOTE Read this entire manual and all other publications pertaining to the work to be performed before installing operating or servicing this equipment Apply all plant and safety instructions and precautions Failure to follow instructions can cause personal injury and or property damage Contact your CRE technology distributor for course training A51 ZO 9 0004 K EN Technical documentation docx Chapter Technical documentation history TABLE OF CONTENTS Technical GOCUMENTOTIOINTNSEOFY ae 3 RT COMORES ae nan ana nan ee en dia ae de tree im lee a ne in 4 TL UIO NES NN 6 ME OD 7 3 ETL EEE EN NN 8 SL UNGEN TOTO Ja 8 32 GIO Al TUM CTIONS et 9 33 ERECONIIP NE PT 9 LEN Ies EE 10 4I Synch check TreldV ANR RSS PRESSE RER RER ER EEE Ve ed RS ER PR Re 10 42 Reverse KW erre 11 CB MG D eee E 7 11 44 Remote speed control input sors vo ona ERR HN RERFVEFEREVKU M ERE RENI NE SPENT OF DEDNINI RU PUN QNENNAE PRO ANNI teur 11 4 5 PWM 500Hz A51M141 modules Onlly ccssccsssssccssscescescceccnsccesecscccsccussseccesscessseccsscesessccesscessesces 12 4 1 CAN bus load sharing EE 12 LLLI PENNEN 13 4 2 Load sharing using parallel lines UNIGEN PLUSJ eonserevrnevrnsvnnernnvnnennsnnnnnnnnnnsnnnnnnnnnnsnnnnnnnennsnnnneneeee 13 41 BROR NTN 14 4 2 Automatic load unloa
10. 2010 e EN 55088 2008 e 2006 95 EC replaced directive 73 23 EEC since January 16th 2007 Other standards e EN 61326 1 2006 Industrial location e EN 55011 e EN 61000 3 2 e EN 61000 3 3 A51 ZO 9 0004 K EN Technical documentation docx Chapter Environment 38 10 DIMENSIONS 165mm Een 115mm lt 25mm Y i 10mm Mounting holes 4 5mm 2 5mm 25mm 9 Y 3 200mm 5mm nut used for earth connection FIGURE 19 DIMENSIONS A51 ZO 9 0004 K EN Technical documentation docx Chapter Dimensions n CRE TECHNOLOGY by 130 All e Victor Naudin Zone des Templier Sophia Antipolis 06410 Biot FRANCE SEI Phone 33 0 4 92 38 86 82 Fax 33 0 4 92 38 86 83 Website www cretechnology com Email info cretechnology com Email support cretechnology com SKYPE support cretechnology com d qa 843g m R o LET LAS VALMASQUE i h US my umm T j DE SOPHIA ANTIPOLIS sormaannrous SCH MA DES ACC S ACCES n 20 All e Victor Naudin FIGURE ZO ACCESS TO CRE TECHNOLOGY A51 ZO 9 0004 K EN Technical documentation docx Technical support 33 0 4 92 38 86 86 office hours 8 30AM 12AM 2PM 6PM GMT 1 Chapter CRE TECHNOLOGY 40 Check our entire distributors list around the world on www cretechnology com tab DISTRIBUTORS LE Head Office FRANCE ES Official Distributors LJ A
11. ION TO A WOODWARD EPG SPEED REGULATOR Refer to dedicated commissioning chapter for potentiometers adjustment 5 UNIG SYNCHRONIZER mr amp LOAD SHARER Woodward EPG Speed control FIGURE 16 WOODWARD EPG CONNECTION 7 5 CONNECTION TO A LEROY SOMER VOLTAGE REGULATOR Most Leroy Somer AVR modules feature an input for an external potentiometer for voltage control Figure below shows the example of an R448 AVR connection Leroy Somer R438 R448 R449 Y O eo x lt LLI FIGURE 17 CONNECTION TO LEROY SOMER RYH48 R4495 AVR A51 ZO 9 0004 K EN Technical documentation docx Chapter Terminals 31 7 6 CONNECTION SPECIFICATIONS Power supply 9 to 40Vnc 1A with 12 Vpc and lt 500mA with 24Vpe AC voltage inputs 100 to 500Vac 100mA max The neutral wire can be connected or not AC currents inputs 0 to 5A 1VA Each input is isolated from the other ones Possible over current 15A during 10s Frequency measurement 45 to 70 Hz 15 Vac minimum between neutral and line Digital inputs Normally Open to be connected to OV internal pull up of 10kQ Relay outputs 5A 230Vac max Remote speed control input 5kQ potentiometer or 5Vpc Remote kW control input for COMMAND mode potentiometer 5kQ or 0 5Vpc kW monitor output 0 5Vpc or 0 20mA 4 20mA 3000 maximum load on the 0 20mA or 4 20mA output 1kO minimum load on the 0 5Vpc output Speed bias output The frequency control is
12. N PLUS only see SW3 configuration Automatic load unload Reverse kW relays 2 analogue outputs 0 5V and 0 20mA 4 20mA for kW meter See SW4 configuration MODBUS RTU on serial port RS485 UNIGEN PLUS only see SW8 configuration Command mode UNIGEN PLUS only Mains Paralleled UNIGEN PLUS only 3 3 CRE CONFIG SOFTWARE v2 Starting from firmware v2 00 UNIGEN modules are compatible with PC software CRE Config This software gives you the ability to communicate with your module using RS232 serial communication Serial COM port is placed under the front cover of UNIGEN modules UNIGEN modules can be installed without any computer but you may want to use CRE Config software to set advanced parameters or display internal measurements such as generating set voltages currents active power and so on For more information please refer to the following documentation available on CRE technology Web site A70 Z1 9 0003 CRE Config user manual A51 Z1 9 0015 TCP IP connection under Windows XP A51 ZO 9 0246 TCP IP connection under Windows 7 A51 ZO 9 0004 K EN Technical documentation docx Chapter Overview FEATURES uU SYNCH CHECK RELAY SYNC OK output terminals 34 35 permit the coupling of generators when all following conditions are correct e Voltage of generator and bus bar within a 15 130 window from nominal voltage 500V e Voltage difference between generator and bus bar lt 10 e
13. N Load sharing CAN bus open closed open open open OFF Load sharing Parallel lines open closed open X closed X Fixed kW kW set point open closed open closed open X reiret Parallel lines TABLE 2 KW SPEED MANAGEMENT Close connected to OVpc Open not connected concerns UNIGEN PLUS only 4 5 CONNECTING TOA GCIR MODULE Figure below shows the speed and parallel lines connections that can be done between UNIGEN PLUS and a GCR module from CRE technology in order to parallel a power plant with the Mains Chapter Features A51 ZO 9 0004 K EN Technical documentation docx 19 10kO0 Manual a a e Auto island CW 5V e a 377 nummum SPD SET Si MAINS paralleling D E GCR 40 irse 10k Manual pr Auto island Q MAINS paralleling UNIG N CCW 5V Adjust P2 to set OV between terminals 42 and 28 CW 5V mr Jo SPD SET UNIGZN amp LOAD SHARE VB Hi PARALLEL LINES LO FIGURE 13 CONNECTION TO A RE TECHNOLOGY G R MODULE Q 6 MODBUS UNIGEN PLUS All the logical and analogue input output values and all the other parameters which appear in the UNIGEN PLUS menus can be read by the serial port RS485 terminals 49A and 50B 2 wires UNIGEN PLUS behaves as a MODBUS slave device If your UNIGEN PLUS is located at one end of the RS485 network then you should activate the internal 1200 termination resistor by switching S
14. OVpc 4 Generator breaker is closed terminal 5 connected to the OVpc A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 17 Then UNIGEN PLUS is in MAINS PARALLELED mode The kW set point is then fixed by the paralleling lines driven by a GCR module for example and the power factor is fixed at 0 95 by the parameter E11020 A OV on the parallel lines terminals 44 45 will make the generator take 0 of load while a 3V signal will make the generator take 100 of load as described on schematic below Voltage on paralleled lines terminals 44 and 45 3V OV KW 0 100 FIGURE 1 PARALLEL LINES VOLTAGE POWER PLANT AVERAGE KW COMMAND mode and MAINS PARALLELED active power behaviour are described in the schematic below Mains load Mains paralleld load paralleling lines input Low limit ie Let NENNE SE L See M M R Unload Low i request limit Paralleling of stop generator the generator FIGURE 12 COMMAND MODE AND MAINS PARALLELED KW MANAGEMENT A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 18 UNLOAD or Lil z lt LLJ ac co PARALLELED COMMAND Active power set point behaviour in different mode is described in the following table kW Speed management according to D D D X open X X X X Waiting None open closed closed X X X Droop Frequency closed closed open X X X Unload Ramp time pot open closed open open open O
15. TRIP OUT Oo GEN 100V gt ou L Only for UNIGEN PLUS this symbol is used in technical documentation to indicate UNIGEN PLUS special features 0 START O ON LOAD o O O lows SET UNAVAILABLE 3min RAMP TIME FOR 100 kW 1 min 105 SLAVE INPUT MAINS 305 PARALLELED Oo COMMAND MODE CW 5V kW SET z CCW ov NOT CONNECTED HI PARALLEL LINES GAIN O So T CANBUS OFF 1200 SPEED REV DIREG GAIN PLINES CANBUS swa OFF I D sws OFF I ON SW6 OFF ON sw7 OFF D w MODBUS OFF 1200 MopBus 7 NOMINAL kW RS 485 B G PA mr ms i ims UNIGZN a SYNCHRONIZER amp LOAD SHARER FIGURE 1 FRONT PANEL A51 ZO 9 0004 K EN Technical documentation docx Chapter Overview 3 2 GLOBAL FUNCTIONS The main functions performed by the UNIGEN are followings Automatic and Manual synchronization See SW5 and SW6 configuration Active load sharing in isochronous droop mode or Command mode UNIGEN PLUS only Reactive load sharing in isochronous voltage droop mode or power factor fixed UNIGEN PLUS only Compatibility with all speed governors See SW2 configuration and AVR on the market Remote speed control by potentiometer See SW7 configuration Internal synch check relays useful for auto and manual synchronization Phase sequence protection Load sharing with CAN plug and play See SW1 configuration or with paralleling lines UNIGE
16. W8 Modbus OFF 120Q to ON position Support of MODBUS RTU by the UNIGEN PLUS is performed using the following parameters e Communication speed 4800 9600 and 19200 default 19200 e Number of bits by character 8 e Number of parity bits 0 e Number of stop bits 1 e Supported function 04 analogue reading and 03 registers reading and 06 registers writing e The RTU address of the variables is the same than their number plus 1 converted in hexadecimal Example Variable E00110 Mains breaker status has RTU address 006Fh Decimal 111 See file A51Z090030 for the whole list of existing registers A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 20 MODBUS registers writing meets the following rules e ExOxxx measures are Read only e Ex1xxx parameters are factory set to Read only It is possible to switch them to Read write using the embedded Web site To do so it is necessary to connect to UNIGEN with a laptop in level 2 distributor password Go to Configuration Modification by variable nb page enter the parameter that you want to change and then in the Writing by modbus PLC box choose allow and validate Go to System Flash all parameters and press FLASH it red button to save parameters Otherwise changes are lost when UNIGEN is switched off e Variables Ex2xxx can be written using MODBUS without restriction Example Table below is an example of
17. ZO 9 0004 K EN Technical documentation docx Chapter Commissioning 35 Adjustment of the nominal power gt Forthe Industrial UNIGEN e Setthe kW monitor output in 0 5V switch SW4 to OFF position e Putin full CW the multi turn potentiometer ADJUST RV7 e Close the circuit breaker of the generator BREAKER IN LED must light on e Apply 100 of load on the generating set with bench load for example e Adjust NOMINAL kW potentiometer RV13 to reach 7 45Vpc between terminals 11 and 12 of the UNIGEN e Open the circuit breaker of the generator e Setswitch SW4 as desired depending on your application gt UNIGEN PLUS Generating set below 200kW On GE with a nominal power below 200kW adjustment of NOMINAL kW potentiometer RV13 may be hard to find To adjust this setting more easily it may be helpful to decrease UNIGEN PLUS internal CT ratios Factory set to 1000 This can be done by lowering value of variables E11002 E11003 and E11004 e g set them to 200 e Connect to UNIGEN PLUS internal Website using a computer see document A51Z1 9 00154 e Typein password 1 e Goto Configuration Modification by variable nb page Modification by variable nb Enter the variable number Like x1xxx xbox Save e Enter the number of the variable to modify at first 11002 and validate e Enter the new desired value and press SAVE button e Repeat these steps for variables E11003 and E11004 e Goto page System save a
18. a master that needs to read variable E00001 E00002 and E00003 from a UNIGEN PLUS So the request will be a read register function starting at address 0001h and for 3 registers Left columns represent the request from the master while right columns represent the corresponding answer from UNIGEN PLUS Description Slave address 01 Slave address 01 Function 04 Function 04 Start address MSB 00 Number of data bytes 06 2 bytes per register Start address LSB 01 1 data byte XX MSB of 1 register Number of registers 00 2 data byte XX LSB of 1 register MSB Number of registers 03 3 data byte XX MSB of 2 register LSB CRC16 MSB E1 4 data byte XX LSB of 2 register CRC16 LSB CB 5 data byte XX MSB of 3 register 6 data byte XX LSB of 3 register CRC16 MSB E CRC16 LSB 2 Changing Modbus RTU slave address Parameter E01215 and communication speed Parameter E01216 of the UNIGEN PLUS e Connect using a computer see A51Z1 9 0015A e Type the password 1 A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 21 e Goto Configuration Modification by variable Number e Enter 1215 to set slave address Parameter E01215 or 1216 to set communication speed Parameter E01216 and press Save button Modification by variable nb Enter the variable number Like x1xxx x ox Save e Enter desired value for the specific parameterand press Save button e Goto menu System Save all variables e Click on Flas
19. ample 50 00Hz amp 400Vac on the speed voltage regulator If a trim pot is present on the AVR adjust it to get 8 see AVR manufacturer doc Stop the engine Remove the cover of the UNIGEN if necessary Connect only the REF input terminal 18 to the speed governor speed ref output gt Speed setting Start the engine Adjust Speed gain RV10 full CCW on the UNIGEN Measure the voltage between Ref and remote voltage input on speed regulator side Adjust UNIGEN output voltage terminals 17 18 adjusting the offset RV9 to have the same voltage than measurement of previous point Connect the control wire terminal 17 Shunt terminals 15 and 16 together to get the maximal negative speed correction on SPEED SET input Adjust the speed gain RV10 to have 48 00Hz Remove the shunt between terminals 15 and 16 Stop the generator gt Voltage setting Adjust AVR Offset RV11 amp Gain RV12 full CCW on the UNIGEN Connect AVR outputs terminals 20 21 to AVR Adjust voltage offset RV11 to have 400V ac Close SYNC IN input Terminal 3 to 0 volts Adjust AVR Gain RV12 to reach 370Vac Check the control of the breaker on dead bus depending on SW6 position Be sure there is no critical load connected on bus bar Close the breaker and verify that the breaker feedback input terminal 5 is closed BREAKER IN LED should light on Open the breaker and verify that the breaker feedback input is opened LED not lit A51
20. and SW6 configuration Not isolated digital input dry contact to OV 10kO pull up This input forces kW and kVAR load sharing in DROOP mode Digital input Connect to POWER SUPPLY when the generator breaker is closed Use an auxiliary contact of the generator breaker Not isolated digital input dry contact to OV 10kO pull up This input will unload the generator if BREAKER IN is closed Dry contact normally open 250Vac 5A This output controls the opening of generator breaker at the end of the unload ramp Dry contact normally open 250Vac 5A The relay is closed when generator is in reverse power conditions Chapter Terminals 26 Terminal 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Recommended wires mm AWG Power monitor 1 5 16 0 5V Power monitor OV 0 25 23 Power monitor 0 25 23 0 20mA SPEED SET CW 5V SPEED SET cursor 0 25 23 SPEED SET CCW 5V Generator OUT 0 25 23 Generator REF from speed governor Shield 0 25 23 AVR OUT 0 5 20 AVR OUT Generator I1 Generator I1 Generator 2 2 5 13 Generator I2 Generator 34 Generator I3 A51 ZO 9 0004 K EN Technical documentation docx Description 0 5Vpc Terminals 11 12 or 0 20mA Terminals 13 12 analogue output proportional to the generator active power 5kO potentiometer input or 5Vpc between terminal 2 and 15 Use a
21. d request cssscccsssccsssscccsscccssscccscscccsccccccscccccssccccsececesesenesesenecesencesenesssess 14 4 3 Load ramp MANABEMENL cscescecceccscceccscceccsccececceccecceccscceccscescescececescescecceccecceccececescescecceccesceccces 16 4 3 1 BR LIA T C 16 ec T MEE oro opinio a OUT M 17 43 3 Manualload unload Tegliest cescioseoo in eoa EeS ERE EQUES oU Ert rat ri Go gu atn S uade aide ent act PI a 17 AA COMMAND MODE UNIGEN PLUS 17 4 5 MANS PARALLELED UNGEN PLUS iiiscsss orig as esse ses ste esse 17 4 5 1 Connecung to a GCR module c sssneseotuvr duoi sso e epo ROSE VUTE PU MIpYM S POS US IPpEPS VU QUR semence Gn C UrE Sn INVI PFEN NENESE UND NE MU 19 26 JM odbusiUNIGEN PEUS Vee 20 SN 23 bo DIN 25 Ten 26 7 1 Tren nn an ne ED S EDEEU DR U E 26 TZ VAAN CA LE eee cs sce 0 eee ODD DDR ene PUO dene DU IDE OO OK 30 7 3 Connection to a Cummins EFC speed regulator ccccccsccsscscceccecceccesccsccscceccescesccsccecceccesccsscecceccuss 31 7 4 Connection to a Woodward EPG speed regulator ccsscssscscceccesccsccsccsccscceccescesccsccecceccescsscecceccess 31 7 5 Connection to a Leroy Somer voltage regulator cccccsccsscscceccesceccesccsccecceccesccsccsccecceccescssscecceccess 31 7 6 Connection SENNA 32 A51 ZO 9 0004 K EN Technical documentation docx Cha
22. gents FIGURE 21 CRE TECHNOLOGY DISTRIBUTORS CRE Technology retains all copyrights in any text graphic images and software owned by CRE Technology and hereby authorizes you to electronically copy documents published herein solely for the purpose of transmitting or viewing the information C copyright all rights reserved Chapter CRE TECHNOLOGY A51 ZO 9 0004 K EN Technical documentation docx 41
23. gure below gives an example of power plant with three generating sets Two of them UNIGEN with SLAVE INPUT connected to OV can request to start or stop their engine depending on the global load of the power plant POWER SUPPLY O START je ON LOAD 329 40 VDC REQUEST ct mr ET f ema SLAVE INPUT A UNIG ne O canous px POWER SUPPLY O START EN ON LOAD 29 40 VDC REQUEST vm 77 SLAVE INPUT m 37 ne cansus TE UNIG POWER ON LOAD G49 40 VDC REQUEST 1 ar g pem SLAVE INPUT m 37 UNIG Nn canous 1 FIGURE 7 AUTOMATIC LOAD UNLOAD EXAMPLE SET UNAVAILABLE input e If UNIGEN is stopped and its SET UNAVAILABLE input is activated it will prevent any start upon load request by keeping START ON LOAD REQUEST relay open and TRIP OUT relay closed CAUTION If UNIGEN is running and on the bus bar as soon as SET UNAVAILABLE input is closed the TR P OUT relay is activated closed to open the breaker of the generator Load shedding inhibition e Don t connect the START ON LOAD REQUEST relay the load shedding will not have any influences A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 15 e In droop mode the load shedding is inhibited START ON LOAD REQUEST relay behaviour is described in the schematic below Load threshold Unload threshold Power plant kW
24. h it button e Disconnect UNIGEN switch power off and then switch it on for new settings to take effect A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 22 5 SETTINGS UNIGEN modules include the following adjustments for calibration and settings Potentiometers Synchronization adjustments 0 0 0 Ramp time 3min RAMP TIME FOR 100 kW E soap aam 105 305 kW monitor output adjustment EM ADJUST D kW H 20mA Speed output adjustments OFFSET OUT 4 SPD REF GAIN OUT SPD REF AVR output adjustments OFFSET z O AVR ni 9 B AVR 3 Nominal kW O NOMINAL kW 6h Q a Os None None 6h None 6h Q None Single turn potentiometers Proportional and Integral adjustments of the synchronization control loop Adjust them using the following steps e Turn P and I fully Counter Clockwise e Turn P clockwise until the generator is unstable and then turn it back counter clockwise to stop the instability e Repeat above step for I potentiometer Single turn potentiometer 0 180s Adjusts the time taken by a 100 kW load unload ramp Multi turn potentiometer 0 100 Span adjustment for 0 5Vpc and 0 20mA 4 20mA output signals Also see SW4 configuration in table below Multi turn potentiometer 10 to 10V c Offset adjustment of the speed control output
25. heck of schematics How e Why e What Be sure you have the latest power plant schematics To be sure the wires will be present on site Can bus connector shielded wires 0 Volt wiring Shields Speed governor UNIGEN Interface Automatic Voltage Regulator UNIGEN Interface droop current transformer must be removed CAN bus Parallel lines During commissioning Start in safe condition How Why Generator breaker output locked in open position Disconnect the wires between UNIGEN terminals 17 18 and the speed governor Disconnect the wires between UNIGEN terminals 20 21 and the AVR Ask the technician who had wired the power plant to lock the generator breaker open Battery negative of each UNIGEN power supply terminal 2 must be connected to each other UNIGEN and to the OV of the speed governor Disconnect the wires of the relay SYNC OK terminals 34 35 of the UNIGEN To be sure not to drive a false paralleling during the beginning of commissioning Switches configuration How Put switches in OFF ON position before start the engine see dedicated chapter Settings for more details A51 ZO 9 0004 K EN Technical documentation docx Chapter Commissioning 34 Why To configure several important functions of the UNIGEN Interface UNIGEN Speed governor Interface UNIGEN Auto Voltage Regulator How Start the engine Adjust the nominal speed and voltage for ex
26. input Since firmware v2 00 SYNC_OK output can be delayed according to parameter E01227 In this case SYNC_OK output is closed when all parameters described above are in the proper conditions during the delay set in parameter E01227 Otherwise SYNC_OK is kept open A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 10 After power on sequence on dead bus conditions a minimal delay must elapse before SYNC OK relay is closed This delay may be adjusted using parameter E01033 Default value is 3 0s CAUTION One generator has to be started alone to close on the dead bus before starting the other generators The SYNC OK green LED confirms the activation of the relay e LEDON contact closed e LED OFF contact open Quo REVERSE KW RELAY UNIGEN includes a reverse kW relay on terminals 9 amp 10 This relay output closes when the kW of the generator is below 5 of the nominal kW during more than 20 seconds The REV kW red LED confirms the activation of the relay e LEDON contact closed e LED OFF contact open Gs KW INDICA TOL UNIGEN has two analogue outputs for kW indicator on terminals 11 12 and 13 These outputs allow the display of active power kW Outputs are between 0 5Vpc 0 20mA or 4 20mA depending on SW4 configuration A multi turn potentiometer allows the calibration of the output to adapt it to your indicator GY REMOTE SPEED CONTROL INPUT UNIGEN includes a remote speed cont
27. ll variables e Click on Flash it e Disconnect UNIGEN switch power off and then switch it on again for new settings to take effect e Finally adjust the nominal power potentiometer as described below for engines above 200kW gt UNIGEN PLUS Generating set with nominal power between 200kW and 4000kW e Switch SW3 to OFF position e Paralleling lines are not connected on terminals 44 and 45 e Close the circuit breaker of the generator BREAKER IN LED must light on e Apply 100 of load on the generating set with bench load for example e Adjust NOMINAL kW potentiometer RV13 to obtain 3V on parallel lines terminal 44 amp 45 Open the circuit breaker of the generator A51 ZO 9 0004 K EN Technical documentation docx Chapter Commissioning 36 Check wiring of current e Putload e Measure the voltage between terminals 11 and 12 e Shuntthe phase 1 current directly of the secondary of the current transformer CT e Measure the voltage between terminals 11 and 12 Check that this voltage decrease of 1 3 that before e Do the same test for phases 2 and 3 don t forget to remove the shunt of each phase after test e Switch SW3 as desired depending on your application Check synchronization e Close the breaker to have voltage on the bus bar mains or other generator e Lock the engine breaker in open position e Start the engine to check the synchronization e Close SYNC IN input terminal 3 connected to OV
28. made by the adjustable 0 10Vpc output Adjust using OFFSET and GAIN potentiometers Voltage bias output The voltage control is done via the AVR The output is a 10V Adjust using OFFSET and GAIN potentiometers Terminals with screws 2 5 mm A51 ZO 9 0004 K EN Technical documentation docx Chapter Terminals 32 8 COMMISSIONING 8 1 CAUTION 8 1 1 GROUNDING The grounding of the chassis of UNIGEN must be done with the M5 screw Use a 4mm wire to connect to earth this cable should be as short as possible mI FIGURE 18 EARTH CONNECTION 5 12 WIRING RULES The cables with high voltage 400Vac and or high current 5A must be separated from the command cables All the command and digital inputs outputs can be in the same cable path If you have to cross the command DC cables with the 400V 5A cables it is recommended to cross with a right angle The grounding must be done in a proper way to avoid personal injuries and for a reduction of EMC 8 13 VIBRATIONS In case of heavy vibrations UNIGEN should be mounted using AV Mounts A51 ZO 9 0004 K EN Technical documentation docx Chapter Commissioning 33 8 2 POWER PLANT START UP COMMISSIONING Caution before starting the generating sets please read the following part This is a standard commissioning for a simple power plant If you use only this procedure it can t engage our responsibility Before commissioning before going on site C
29. nditions are OK and SYNC IN input is active connected to the OVpc ON SYNC OK relay closes when synchronisation conditions are OK whatever the value of SYNC IN input 5 Also see SYNCH CHECK RELAY dedicated chapter Dead bus bar authorization OFF SYNC OK relay never closes on dead bus bar conditions ON SYNC OK relay closes on dead bus bar conditions 5 Also see SYNCH CHECK RELAY dedicated chapter Speed potentiometer behaviour OFF external SPEED SET potentiometer is always active ON external SPEED SET potentiometer is not active when the generator breaker is closed 5 Also see REMOTE SPEED CONTROL dedicated chapter 1200 RS485 termination resistor for Modbus RTU OFF termination resistor is not connected ON termination resistor is connected UNIGEN PLUS only TABLE MV DIP SWITCHES DESCRIPTION A51 ZO 9 0004 K EN Technical documentation docx Chapter Settings 24 6 DISPLAY UNIGEN includes LED to have information feedback POWER xd nai Oo This LED is ON when DC power supply 12 or 24Vpc is connected QJ49 40VDC _ FH This LED is ON when synchronization is requested SYNC IN input SYNC IN closed to the OVpc E or00 O This LED is ON when a droop is required DROOP input closed to the OV pc E BREAKER IN O This LED is ON when the generator breaker is closed BREAKER IN P input closed to the OVpc dH Mag OUT O This LED is ON when TRIP OUT relay i
30. oad of generators See specific chapter and for more details Dry contact normally open 250 Vac 5A SYNC OK relay is closed when coupling the generator is considered as safe See specific chapter and SW5 SW6 configuration for more details Not isolated digital input dry contact to OV 10kO pull up Connect fault signal from the generator Not isolated digital input dry contact to OV 10kO pull up Set this UNIGEN as slave for automatic load unload feature Not isolated digital input dry contact to OV 10kO pull up This input gives the position of mains breaker to the UNIGEN Directly connect an auxiliary contact of the breaker Not isolated digital input dry contact to OV 10kO pull up This input forces kW and kVAR load sharing in COMMAND mode fixed kW setpoint Analog input 5kQ potentiometer or O0 5Vpc between 42 and 41 Use a shielded wire Chapter Terminals 28 Terminal 44 45 46 47 48 49 50 51 52 53 54 COM1 Recommended wires mm AWG Parallel lines 2 5 13 Parallel lines CANBUS 257 13 CANBUS SHIELD 0 25 23 MODBUS A 256 It MODBUS B Bus bar L1 Bus bar L2 1 5 16 Bus bar L3 Bus bar neutral 232 RS232 to PC or Female DB9 modem Description 0 3Vpc load sharing signal between UNIGEN modules or active power set point when used with GCR module Used when SW3 is OFF Compatible with Wheatstone bridge load sha
31. onfirms the activation of the relay e LED ON contact closed e LED OFF contact open 4 3 3MANUAL LOAD UNLOAD REQUEST The Load Unload ramps are managed by the UNLOAD input terminal 6 e UNLOAD input disconnected when the breaker closes the load ramp starts immediately e UNLOAD input connected to OV the generator starts an unload ramp 4 4 COMMAND MODE UNIGEN PLUS When the following conditions are met 1 DROOP input is opened terminal 4 not connected 2 COMMAND MODE input is closed terminal 39 connected to the OVpc 3 Generator breaker is closed BREAKER IN terminal 5 connected to the OVpc Then the UNIGEN Plus is in COMMAND mode The kW set point is then fixed via the remote potentiometer of kW set point terminals 40 41 42 and the power factor is fixed to 0 95 using parameter E11020 The low limit of the potentiometer is 596 and the high limit is 11096 of nominal kW Behaviour of kW set point potentiometer is described on schematic below Voltage on kW SET input CW 5V CCW OV or not o connected KW 596 11096 FIGURE 10 KW SET POINT VS POTENTIOMETER INPUT COMMAND mode is described in the second schematic shown on MAINS PARALLELED chapter Y5 MAINS PARALLELED UNIGEN PLUS When the following conditions are met 1 DROOP input is opened terminal 4 not connected 2 COMMAND MODE input is opened terminal 39 not connected 3 MAINS PARALLELED input is closed terminal 38 connected to the
32. pc e Adjust P RV15 amp I RV1 potentiometers of synchronization to reach a response time of 4 or 5 seconds to get the SYNC OK signal terminals 34 35 the relay closes e With a voltmeter check on both sides of the breaker if the voltage is lt 20VAC on each phases e With the voltmeter check also that there is 400VAC between phase 1 of the engine and phase 2 of the bus bar crossed monitoring e Inthistest we don t close the breaker e If the test is OK connect the wires of the relay SYNC OK terminals 34 35 of the UNIGEN Load sharing kW regulation e Regarding the application check the stability of kW and kVAR regulation e Open Breaker e Stop engines A51 ZO 9 0004 K EN Technical documentation docx Chapter Commissioning 9 ENVIRONMENT e Operational temperature 0 to 70 C e Storage temperature 30 to 70 C e Humidity 5 to 95 The PCB is tropicalized to be used in humid climate areas Protection IP20 e Size 275x200x26mm e Mounting Can be placed in all positions e Weight 1 5Kg 5 CE DIRECTIVES EMC Directive 89 336 EEC deals with electromagnetic emissions and immunity This product is tested by applying the standards in whole or in part which are documented in technical construction file CEM 2004 108 EC which replaces directive CEM 89 336 EEC relative to electromagnetic emissions as from July 20th 2009 This product is developed to respect harmonized norms e EN 55099 2009 e EN 55099
33. pter Table of contents D COMMISSIONING orire EEEN AE ia t s a ie ie de dise ose denis 33 L NN 33 NN Gis 18 90 9 EEE EE EE a dt a 33 SEE CS a an do a end ee de 33 EE ee RU m NE E 33 8 2 Power plant start up Commissioning cccssscccssssccssssccssscccnssccccssccccesccccesesccescsenesesenssseecesssenecssess 34 TI FEN TIU T TTL 38 DL OC UTR 38 O PASTE en Lit a EEE ENE RE ERE 39 ZP GRE PEGE NOLOGY NN 40 A51 ZO 9 0004 K EN Technical documentation docx Chapter Table of contents 1 LIST OF FIGURES Fl NNN 8 oe NNN 12 Figure PYM output SINGS Gre enden 12 Figure 4 Isochronous load sharing with parallel lines 13 Figure 5 Connecting with Carantec Doar S arerse raano Tinin aen e i Ara EOE train Robles tv dv ae dev Iv than ententes ans itac ere 14 UNPM 14 Figure 7 Automatic load unload example rrrrrrrrnorrrrnnnnrrrennnrrrrnnnrrrrnnnrrrrnanrrrrneerrrevarrrsveerersneeernsvaesersneseensneesensseenensseeseenn 15 Figure 8 Automaticioad unioadd NO Pavas adediadgee 16 oe NENNE 16 Figure 10 kW set point vs potentiometer INPUT r rrrarrrarrnnrrnnrrnnrrnnrrarrnerrnrrnnrranrrarrnerrnerrnarrnsrrasenanrnasenernnernnerrnernnsrnnsenesener 17 Figure 11 Parallel lines voltage Power plant average KW isses nennen nnne nennen nnne snae 18 Figure 12 Command mode and Mains paralleled KW management senes nnne nenas anna ns 18 Figure 13 Connection to a CRE technology GCR module ieaisv spar orat Fa
34. ring signals Isolated input Load sharing through CAN bus communication Used when SW3 is ON for UNIGEN PLUS See also SW1 configuration Terminal used to connect the shield of the analogue signals 19200 bps RS485 Modbus RTU slave Also see SW8 configuration AC voltage measurement inputs from bus bar 100 to 500 Vac Line to line 50 60 Hz Use 100 mA 600 Vac fuses Note neutral connection is optional Connection via CRE Config software Use a straight 9 wires cable TABLE 6 TERMINALS OF THE MODULE Only available on UNIGEN PLUS Note e Shielded cable is recommended for these connections Use 2 or 3 Conductor Foil Shield with drain Wire e Cable sizes are for guidance only Cable size should be increased for long cable runs to overcome possible voltage drop and to increase noise immunity Only for UNIGEN PLUS A51 ZO 9 0004 K EN Technical documentation docx Chapter Terminals 29 Ze WIRING DIAGRAM Terminals of the industrial UNIGEN are all present on UNIGEN PLUS NNN NLNENERS i Load TATT MEST 7 I Sa Fe SSE ee Bia Teena i LSS es NON y NS e z CLE EC EN E 1 Auto gt l o Mains 00 l al une Failure 1 2 Las s a 5 gt Alim rib Mains paralleled B k Synch OK OS og reaker NO G a g Start on load control n request oO Rev kW 5 NO N gt O 2 gt RS485
35. rol input on terminals 14 15 and 16 This input is provided for connecting an external potentiometer 5kQ The mid point of this potentiometer 5 turns for a 10 turns potentiometer will generate a OV signal to the cursor input and will not generate any speed deviation The potentiometer is taken into account depending on switch SW7 e OFF position potentiometer is always read by UNIGEN e ON position potentiometer value is set to zero when generator breaker is closed BREAKER IN logical input active Potentiometer is normally read when generator breaker is open Maximal speed deviation depends on the speed output adjustments When it is adjusted for the recommended range of 3 00Hz then the following rules apply e 5V applied on cursor input will increase the speed of 3 00Hz e 5V applied on cursor input will decrease the speed of 3 00Hz A51 ZO 9 0004 K EN Technical documentation docx Chapter Features 11 This input can also be used as 0 5Vpc for a master PLC control In this case the nominal speed must be adjusted when 2 5Vnc are applied on the cursor input NOTE Starting from firmware v2 00 parameter E01228 is associated to DIP switch SW7 to determine the speed correction due to the external speed potentiometer while generator breaker is closed and SW7 is ON Factory setting is set to O so that potentiometer correction is set to zero as described above Depending on your specific application you may want to
36. s closed gt HS kw Red LED switched ON when REV kW relay is closed START Q ON LOAD REQUEST 34 P Q SYNC OK 35 This LED is ON when SYNC OK relay is closed This LED is ON when the mains breaker is closed O MAINS MAINS PARALLELED input closed to the OVpc hur PARALLELED UNIGEN PLUS only Es This LED is ON when START ON LOAD REQUEST relay is closed This LED is ON when the fixed kW control is requested COMMAND COMMAND MODE input closed to the OVpc MODE UNIGEN PLUS only This LED blinks when load sharing is done through CAN bus O 46 Qows L5 P4 This LED blinks according to the number of UNIGEN modules detected in the CAN bus TABLE 5 LED DESCRIPTION A51 ZO 9 0004 K EN Technical documentation docx Chapter Display 7 TERMINALS Zl TERMINALS DESCRIPTION Terminal N bk 10 POWER SUPPLY POWER SUPPLY SYNC IN DROOP BREAKER IN UNLOAD TRIP OUT REV kW Recommended wires mm AWG 2 5 13 1 17 1 17 1 17 1 17 1 17 1 17 A51 ZO 9 0004 K EN Technical documentation docx Description 9 to 40 V power supply from 10 W Protected against reverse connection Fuse 5A 40Vpc Note terminal 2 must be connected to the OV terminal of the speed governor with a 4 mm wire Not isolated digital input dry contact to OV 10kO pull up This input activates automatic synchronization of the generator to the bus bar See SW5
37. shielded wire Used as manual remote control of generator speed 10 Voc analogue output Use a shielded wire Engine speed control output compatible with most speed governors on the market See dedicated commissioning chapter SW2 configuration A51M141 modules 500Hz PWM output 5V See dedicated chapter Terminal used to connect the shield of the analogue signals Isolated analogue output 10Vpc This output controls alternator voltage Offset and gain potentiometers this output is compatible with all AVRs of the market AC current inputs from generator O to 5A inputs 1VA Withstands up to 15A during 10s Nominal current input must be as close as possible to 5A to ensure maximum measurement accuracy Chapter Terminals 27 Terminal 28 Generator L1 29 Generator L1 30 Generator L1 31 Generator neutral 32 START ON LOAD 33 REQUEST 34 SYNC OK 35 36 SET UNAVAILABLE 37 SLAVE INPUT 380 MAINS PARALLELED 390 Mode COMMAND 40 kW SET CW 5V 41 kW SET cursor 42 kW SET CCW OV 43 Not connected Recommended wires mm AWG 1 5 16 1 5 16 1 5 16 1 17 1 17 1 17 1 17 0 25 23 A51 ZO 9 0004 K EN Technical documentation docx Description AC voltage measurement inputs from generator 100 to 500 Vac Line to line 50 60Hz Use 100 mA 600 Vac fuses Note neutral connection is optional Dry contact Normally open 250 Vac 5A Used for automatic load unl
38. u Fa Vu ag ons TENE V eER HE VUR EEFAV KE S VFPZ ER V TERR EE QR PK C ct 20 Figure 13 Wing 119101 m 30 Figure 15 EFC CUMMINS CONNECCION ae descentes ete een nn I URN en nee nee RE CO eric UG 31 Figure 16 Woodward EPG CODIne cO on etus itai va Roms ene ditio ete Ir e sas MES las OAOA siecle ice 31 Figure 17 Connection to Leroy Somer R448 R449 AVR wiccccsecccccseeeccccsececsuceccsusececssececsusecscsusecsssusecessueecessusecsssueeeetseeeesesees 31 gie VICES OT COI COI ena a 33 VOU TO NNN 39 Fig re 20 Access to CRE Technology ecir etae uni divas bh aud apa anni Roan RE ERR UR ERR sun HERE RENTAN ENKON onerous peas au cpu ions 40 Figure 21 CRE Technology CiIStriDUtOSS cccsccceecceecceeccnecseetaueeaueseeseeeseeeseeeeeeeseeseeseesaeeeaneeaneseneseesseesaaesaaesauetansenseeesages 41 A51 ZO 9 0004 K EN Technical documentation docx Chapter List of figures e LIST OF TABLES TODIE T 5 NC OR OG IC ee 10 Tape 2 AUS NNN 19 Fore o NNN 23 Wels e DIP SWITCHES GESTO TON RT naines 24 ESTEN NNN 25 ELT 29 A51 ZO 9 0004 K EN Technical documentation docx Chapter List of tables 3 OVERVIEW 3 UNIGEN FRONT COVER Each terminals of the industrial UNIGEN are also available on UNIGEN PLUS POWER sd SUPPLY Oo 9 gt 40 VDC SYNC IN DROOP o BREAKER IN UNLOAD
39. upport 33 0 4 92 38 86 86 office hours 8 30AM 12AM 2PM 6PM GMT 1 Email support Qcretechnology com SKYPE support cretechnology com INFORMATION You can download the most up to date version of this documentation and different other documentations relating to CRE technology products on our Web site http www cretechnology com A51 ZO 9 0004 K EN Technical documentation docx Chapter Technical documentation history TECHNICAL DOCUMENTATION HISTORY A C D December 2008 Neutralinwiringdiagram three phase with neutral gt Firmware v1 28 e 500Hz PWM speed output hardware option May 2010 e MODBUS read write functions e External speed potentiometer features e External synchronization input features j February 2011 Commissioning tips for small generating sets below 200kW d Description of automatic load unload feature using CAN bus load sharing Connection to Woodward EPG speed governor Connection to CRE technology GCR module Firmware v2 00 K June 2012 Compatibility with CRE Config software Advanced settings for external speed potentiometer Optimized PID transitions User delay on SYNC OK output Documentations available on CRE technology Web site A51 ZO 9 0004 UNIGEN UNIGEN PLUS technical documentation A51 Z1 9 0015 TCP IP connection under Windows XP A51 ZO 9 0246 TCP IP connection under Windows 7 A51 Z1 9 0103 Replacing a Barber Colman DYN2 94026 by a UNIGEN PLUS A51 Z2 9 0
40. ures 12 4 1 PLUGNPLAY CAN PROTOCOL As soon as several UNIGEN are connected together through CAN bus they automatically choose a generator number different from each other They are able to share the load without any settings If one UNIGEN disappear from the CAN it is no longer taken under account by the others and they continue to share the load isochronously The rules of the Plug n play CAN protocol are described below e UNIGEN must receive information on the availability of the GE Input SET UNAVAILABLE If this information is set to 0 then the UNIGEN will not participate to the negotiations e A generator is considered as slave when the SLAVE INPUT is connected to OV e Atleast one UNIGEN must be configured as master SLAVE INPUT not selected e At power up all UNIGEN connected to the CAN bus will be automatically attributed a set number 1 2 3 according to the power supply sequence of the UNIGEN If multiple units are powered ON at the same time then serial number will be used to attribute a different group number to each unit e At power up all UNIGEN are fully operational during 2 minutes No stop negotiation then the automatic load unload mode starts Note Plug n play can be inhibited if you want each unit to keep the same generating set number whatever the status of other modules powered ON or OFF To do so set parameter V01038 to 0 on all UNIGEN modules and select a different generating set number to
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