Deif Multi-line 2 Designers Reference Handbook page 33

AGC
GB close sequence
Start
No
is GB open
Yes
No
Start seq OK
Yes
No
single DG
application
Yes
No
island mode
Yes
No
voltage on bus
Yes
DEIF A/S
No
No
All GBs OFF
Yes
No
No
MB close TB Present
Yes
Yes
No
TB open
Yes
Yes
direct closing
OK
Designer's Reference Handbook
voltage on
busbar
Yes
MB open
No
Sync GB
No
DG freq match
BB freq
Yes
close GB
No
GB closed
Yes
end
No
Yes
time runout
alarm sync
failure
alarm
Page 33 of 168