Woodward EGCP-2 - Figure 5-5. Loss of Mains Detection Active; Figure 5-6. Generator off Line

Manual 26174 EGCP-2 Engine Generator Control Package
Woodward 133
Standard Sequence: Single No Parallel Unit in Auto with Loss Of Mains Detection Enabled.
TIME
Mains in Spec.
LOM Action Delay Starts Mains Out of Spec*
*Over/Under Frequency
and/or Over/Under
Voltage
LOM Action Delay Expires
Open Mains Breaker
Start Genset
Gen Stable Delay
Gen Stable. Start Fast
Transfer Delay
Fast Transfer
Delay
Gen Breaker Closes
To Dead Bus
Genset On Load
Mains in Spec.
Mains Stable
Delay
Open Gen Breaker
Fast Transfer
Delay
Close Mains Breaker
Mains In Spec and
On Load
VIS-110
00-04-27
Figure 5-5. Loss of Mains Detection Active
Standard Sequence: Single Mains Parallel Unit in Auto with Loss Of Mains Detection Enabled.
TIME
Mains in Spec.
LOM Action Delay Starts Mains Out of Spec*
*Over/Under Frequency
and/or Over/Under
Voltage
LOM Action Delay Expires
Open Mains Breaker
Start Genset
Gen Stable Delay
Gen Stable. Start Fast
Transfer Delay
Fast Transfer
Delay
Gen Breaker Closes
To Dead Bus
Genset On Load
Mains in Spec.
Mains Stable
Delay
Synchronize and Close
Mains Breaker
Open Gen. Breaker
Mains In Spec and
On Load
Generator
Unload Ramp
VIS-111
00-04-27
Figure 5-6. Generator Off Line