Woodward EGCP-2 - Figure 7-11. Main Breaker Open Sequence

EGCP-2 Engine Generator Control Package Manual 26076
104 Woodward
Open Mains
Breaker Flag
Initialize Timers
Breaker Logic
?
Energize
Mains Breaker
Open Command
Energize Mains
Breaker Close
Command
Mains CB Aux
Input Open ?
Check Mains
Breaker =
ENABLED?
AUTO input?
Sync Timeout
Time Expired?
Set Sync
Reclose Alarm
NO
YES
NO
NO
YES
YES
YES
NO
Note: Sync Timeout Alarm ONLY.
Unit will continue to try opening
Mains Breaker until the
Mains CB Aux input goes open.
Sync Timeout will Indicate failure to
Open Mains within specified time.
Mains Breaker Open
= TRUE
Mains Breaker Open Sequence
VIS-103
00-04-26
Figure 7-11. Main Breaker Open Sequence