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EGCP-2 Engine Generator Control Package
Manual 26174
iv
Woodward
Illustrations and Tables
Figure 2-1. Physical Outline with Dimensions of EGCP-2...................................... 5
Figure 2-2. EGCP-2 Interface Connections ............................................................ 6
Figure 2-3. Operator Interface ................................................................................ 7
Figure 2-4a. EGCP-2 Navigation (1) .................................................................... 12
Figure 2-4b. EGCP-2 Navigation (2) .................................................................... 13
Figure 2-4c. EGCP-2 Navigation (3)..................................................................... 14
Figure 2-4d. EGCP-2 Navigation (4) .................................................................... 15
Figure 2-4e. EGCP-2 Navigation (5) .................................................................... 16
Figure 3-1. CageClamp Termination Blocks (example photos) ........................... 17
Figure 3-2. Recommended Single Point Grounding Scheme .............................. 18
Figure 3-3. Wiring Diagram for EGCP-2 ............................................................... 20
Figure 3-4. Dip Switch Locations .......................................................................... 21
Figure 3-5. Three Wire Delta PT Connections for EGCP-2 ................................. 23
Figure 3-6. Four Wire Wye PT Connections ........................................................ 23
Figure 3-7. Utility/Local Bus Single PT Wiring for Delta and Wye Configuration for
Multiple or Single Engine Applications ............................................ 24
Figure 3-8. Utility/Local Bus Single PT Wiring for Delta and Wye Configuration for
Multiple or Single Engine Prime Power Applications ....................... 25
Figure 3-9a. PT Wiring Relationships for Generator, Bus, and Utility Inputs ....... 26
Figure 3-10a. PT Wiring Relationships for Generator, Bus, and Utility Inputs ..... 28
Figure 3-10b. PT Wiring Relationships for Generator, Bus, and Utility Inputs ..... 29
Figure 3-11. Current Transfer Wiring Diagram for EGCP-2 ................................. 30
Figure 3-12. Wiring Diagram for MPU Input ......................................................... 31
Figure 3-13a. Wiring Diagram for Process Import/Export Input ........................... 32
Figure 3-13b. Connecting a kW Transducer Signal to Multiple EGCP-2s............ 32
Figure 3-14. Wiring Diagram for Pressure Inputs ................................................. 33
Figure 3-15. Wiring Diagram for Temperature Inputs ........................................... 34
Figure 3-16. Wiring Diagram for Speed Bias and Voltage Bias Outputs .............. 37
Figure 3-17. Wiring Diagram for Typical Discrete I/O Connections ..................... 39
Figure 3-18. Example of the Mains Breaker NO Output Connected to Close the
Mains (Utility) Breaker (ENERGIZE TO CLOSE) ............................ 40
Figure 3-19. Example Using the NC Output to Control the Mains (Utility)
Contactor (ENERGIZE TO OPEN) .................................................. 41
Figure 3-20. Example of the Generator Breaker Close NO Output Connected to
Close the Generator Breaker (ENERGIZE TO CLOSE) ................. 42
Figure 3-21. Example Using the NO Contacts to Control the Generator’s
Contactor (ENERGIZE TO CLOSE) ................................................ 42
Figure 3-22. Example Using the NO Contacts to Control the Mains Breaker Trip
(Open) Coil (ENERGIZE TO OPEN) ............................................... 45
Figure 3-23. Example Using the NC Contacts to Control the Generator Breakers
Open Coil (DE-ENERGIZE TO OPEN) ........................................... 46
Figure 3-24. Generator Breaker and Contactor Close and Open Logic ............... 46
Figure 3-25. RS-422 Communications ................................................................. 51
Figure 3-26. RS-485 and RS-422 Termination Diagrams .................................... 52
Figure 3-27. RS-485 Inter-Control Communications ............................................ 53
Figure 4-1. System Overview Engine Off Line ..................................................... 56
Figure 4-2. System Status Screen—Isochronous ................................................ 58
Figure 4-3. System Status Screen—Baseload ..................................................... 58
Figure 4-4. Engine Status ..................................................................................... 59
Figure 4-5. Generator Status (Voltage Line to Neutral) ....................................... 60
Figure 4-6. I/O Status ........................................................................................... 61
Figure 4-7. Synchronizer Status ........................................................................... 62
Figure 4-8. kW Load Status .................................................................................. 63