Woodward GCP-20 Series - Page 7

Manual 37128A GCP-20 Series - Genset Control
© Woodward Page 7/190
Illustrations and Tables
Illustrations
Figure 2-1: Overview............................................................................................................................................................... 12
Figure 4-1: Housing - Dimensions........................................................................................................................................... 15
Figure 4-2: Housing - Control panel cut-out............................................................................................................................ 16
Figure 4-3: Side view - without clamps ................................................................................................................................... 16
Figure 4-4: Side view - with clamps ........................................................................................................................................ 16
Figure 5-1: Wiring diagram - GCP-20 ..................................................................................................................................... 18
Figure 5-2: Wiring diagram - GCP-21 ..................................................................................................................................... 19
Figure 5-3: Wiring diagram - GCP-22 ..................................................................................................................................... 20
Figure 6-1: Power supply......................................................................................................................................................... 21
Figure 6-2: Voltage measuring: generator ............................................................................................................................... 22
Figure 6-3: Voltage measuring: busbar / remanence................................................................................................................ 22
Figure 6-4: Voltage measuring: mains..................................................................................................................................... 23
Figure 6-5: Current measuring: generator................................................................................................................................ 23
Figure 6-6: Current measuring: mains standard ....................................................................................................................... 24
Figure 6-7: Current measuring: mains Option In20 ................................................................................................................. 24
Figure 6-8: Control inputs........................................................................................................................................................ 25
Figure 6-9: Alarm input (positive signal)................................................................................................................................. 26
Figure 6-10: Analog inputs ...................................................................................................................................................... 26
Figure 6-11: MPU - principle overview................................................................................................................................... 27
Figure 6-12: MPU input........................................................................................................................................................... 27
Figure 6-13: Minimum required input voltage depending on frequency at 25°C .................................................................... 27
Figure 6-14: Power circuit breaker outputs.............................................................................................................................. 28
Figure 6-15: General relay outputs .......................................................................................................................................... 28
Figure 6-16: Analog outputs ....................................................................................................................................................28
Figure 6-17: Three-position controller outputs ........................................................................................................................ 29
Figure 6-18: Three-position controller outputs ........................................................................................................................ 29
Figure 6-19: Interfaces - overview........................................................................................................................................... 30
Figure 6-20: Interface - CAN bus shielding............................................................................................................................. 30
Figure 6-21: Interfaces - Loop the CAN bus............................................................................................................................ 31
Figure 7-1: Diesel engine start procedure ................................................................................................................................ 38
Figure 7-2: Gas engine start procedure .................................................................................................................................... 40
Figure 7-3: CB control ............................................................................................................................................................. 46
Figure 7-4: Power direction ..................................................................................................................................................... 54
Figure 7-5: CAN bus wiring .................................................................................................................................................... 56
Figure 7-6: CAN bus scheme................................................................................................................................................... 56
Figure 7-7: SG 2 connection .................................................................................................................................................... 57
Figure 8-1: GCP-20/22 front panel .......................................................................................................................................... 60
Figure 8-2: GCP-21 front panel ............................................................................................................................................... 60
Figure 9-1: Breaker control logic 'Impulse'............................................................................................................................ 102
Figure 9-2: Characteristic of the time-overcurrent monitoring .............................................................................................. 115
Figure 9-3: NO/NC logic ....................................................................................................................................................... 122
Figure 9-6: VDO transmitter 323.805/001/001 (slope).......................................................................................................... 131
Figure 9-7: Start-Stop sequence: Gas engine ......................................................................................................................... 139
Figure 9-8: Start-stop sequence: Diesel engine...................................................................................................................... 142
Figure 9-9: Delayed engine monitoring ................................................................................................................................. 145
Figure 10-1: Analog outputs - power factor scaling............................................................................................................... 157