CRE Technology SCR2.0 User Manual Download | Manualshive

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www.cretechnology.com

SCR

2.0

Synchroscope and synch check relay

User manual - Technical documentation

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Summary of Contents for SCR2.0

Page 1: ...www cretechnology com SCR2 0 Synchroscope and synch check relay User manual Technical documentation ...

Page 2: ...www cretechnology com ...

Page 3: ...ng the Unit 6 2 5 Wiring the Unit 6 3 HUMAN MACHINE INTERFACE 9 3 1 LED display 9 3 2 Digital display 10 4 PROGRAMMING 11 5 OPERATION 12 5 1 Power up 12 5 2 Status information 12 5 3 Synchronization checking 12 6 OTHER FEATURES 14 6 1 Dead Bus Enable 14 6 2 Synchronization checking delay 14 7 MISCELLANEOUS 15 7 1 Troubleshooting 15 7 2 Declaration of conformity 15 7 3 Technical specifications 15 ...

Page 4: ...020 B EN user manual technical documentation www cretechnology com 4 DOCUMENT CONTROL Version Date Changed by Details A July 22nd 2014 A Mesnard First edition B Aug 25 th 2014 A Mesnard Minor chronogram completed ...

Page 5: ...and mains The measured calculated parameters are Generator phase to neutral voltage Generator frequency Busbar phase to neutral voltage Busbar frequency Busbar generator frequency diﬀerence Busbar generator voltage diﬀerence Busbar generator phase difference The unit is installer friendly and user friendly In addition programmable parameters give an extended control over the operation The programm...

Page 6: ...2 Make sure the cut out is smooth and clean 2 4 Mounting the Unit Tool cross head screwdriver size 1 To mount the unit 3 Pass the unit through the panel 4 In the rear insert the tab of a clamping set into the hole on one side of the unit and screw the unit against the panel 5 Repeat on the other side 6 Tighten equally on both sides 2 5 Wiring the Unit Tool insulated screwdriver Ø2 5 mm 0 1 in tigh...

Page 7: ... OR ARC FLASH The unit must only be installed and serviced by qualified electrical personnel Apply appropriate personal protective equipment PPE and follow safe electrical work practices Turn off power before installing or removing fuses and before installing the unit Use a properly rated voltage sensing device to confirm the power is off Do not use renewable link fuses in fused switch Failure to ...

Page 8: ...ltage upper and lower limits are programmable 2 unused 3 GENERATOR NEUTRAL Input 0 300VAC Neutral terminal of the generator phase 4 unused 5 BUSBAR NEUTRAL Input 0 300VAC Neutral terminal of the busbar phase 6 unused 7 BUSBAR PHASE L1 Busbar phase input 0 300VAC Connect the busbar phase there The busbar voltage upper and lower limits are programmable 4 Plug the cable connector onto the upper conne...

Page 9: ...hen both busbar and generator voltages are in range the synchroscope illuminates Only one of the leds turns on at a time The led indicates the phase difference between the generator phase and the busbar phase Right hand side illuminated the generator phase is leading in advance the busbar Left hand side illuminated the generator phase is lagging Light cycling clockwise generator frequency busbar f...

Page 10: ...ers number then value in a sequence Scan the various readings using the MENU button The sequence is U1 busbar phase to neutral voltage U2 generator phase to neutral voltage dU voltage diﬀerence between busbar and generator phases F1 busbar frequency F2 generator frequency dF frequency difference between busbar and generator deg phase difference between busbar and generator phases degrees Hold down...

Page 11: ...High Limit V 500 Over this limit the busbar voltage is invalid out of range 2 Gen Voltage Low Limit V 180 Under this limit the generator voltage is invalid out of range Under this limit the SYNCH CHECK relay cannot remain energized 3 Gen Voltage High Limit V 270 Over this limit the generator voltage is invalid out of range Over this limit the SYNCH CHECK relay cannot remain energized 4 Frequency d...

Page 12: ...close the relay output if the networks are synched Otherwise it does not close the relay even if the networks are synched For a quick checking after the generator start connect the SYNCHRONIZATİON CHECK ENABLE input signal to the battery negative To let the generator stabilize or even heat up if needed program a pre synchronization delay P_08 Refer to Synchronization checking delay The synchroniza...

Page 13: ...and busbar are not in range it is not energized If the busbar is not powered up use the DEAD BUS ENABLE input signal Refer to OTHER FEATURES 14 SYNCH CHECK RELAY common 15 SYNCH CHECK RELAY normally open The unit checks the synchronization only when both generator and busbar phase voltages are in range and the synchronization is enabled either with the SYNCH CHECK ENABLE signal or the SYNCH button...

Page 14: ...via input or button the generator phase voltage is within limits set by P_02 and P_03 the busbar voltage is below the limit set by P_00 If the busbar voltage is above this limit the SYNCH CHECK relay output is not energized even if the DEAD BUS ENABLE signal is active Positions Dead bus Contactor DEAD BUS closed activated open de activated 6 2 Synchronization checking delay To let the generator st...

Page 15: ...rn all the fuses on starting from the DC supply fuse Finally test the unit again Lock the rear door The digital display test shows only 1 check the power supply If you return the unit attach an RMA available on the website 7 2 Declaration of conformity The unit conforms to the following EEC directives 73 23 EEC and 93 68 EEC low voltage 89 336 EEC 92 31 EEC and 93 68 EEC electro magnetic compatibi...

Page 16: ...r voltage 300 VAC max Ph N Generator frequency 0 100 Hz Other electrical data Digital inputs 0V active inputs withstand 30VDC DC Supply Range 9 0 to 33 0 VDC Current Consumption 100 mA standby 150 mA all LEDs lit Synch Check relay de energized Synch Check relay breaking capacity 16 A 250VAC Casing Dimensions 102x102x57 mm 4 in x 4 in x 2 3 in width x height x in panel depth Mounting Front panel We...

Page 17: ...86 82 Fax 33 0 4 92 38 86 83 Website www cretechnology com Email info cretechnology com Technical support 33 0 4 92 38 86 86 oﬃce hours 8 30AM 12AM 2PM 6PM GMT 1 Email support cretechnology com SKYPE support cretechnology com voice only A worldwide coverage Check our entire distributors list around the world on www cretechnology com button DISTRIBUTORS Head Office FRANCE Official Distributors Agen...

Page 18: ...tion to be always more advanced always closer to you The coming years will see the broadening of our distribution network and of our innovative products portfolio BECOME A CRE TECHNOLOGY DISTRIBUTOR YOUR ACCOUNT YOUR PRICES By creating your account you ll have access to all your personal data All the prices of the new CRE TECHNOLOGY website correspond to your business rates GET INFORMATION THE WAY...

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