Deif AGC-4 Mk II - Flowchart 1, GB Handling

• Delay 3 = Parameter 2271
• SP1 = Parameter 2251
• SP2 = Parameter 2263
5.4.1 Flowchart 1, GB handling
Delay 1 expired
on all DG(s)
Start
RPM > SP1
End
Yes
RPM > SP2
No
Delay 1 expired
Yes
Yes
No
Yes
Yes
Start DG(s)
Close GB
Start
excitation
Delay 1 expired
Trip GB
Start
excitation
Delay 2 expired
Delay 3 expired
”Close before
excitation”
failure
Activate
regulators
U
BUS
OK
Delay 2 expired
Activate
regulators
Sync GB
Delay 3 expired
”Close before
excitation”
failure
U
BUS
OK
No
No
Yes
No
No
No
Yes
Yes
No
No
No
No
Yes
Yes
Yes
DESIGNER'S HANDBOOK 4189341275A EN Page 91 of 196