Deif Multi-line 2 - Page 32

AGC Designer’s Reference Handbook
DEIF A/S Page 32 of 168
MB close sequence
Start
is MB open
voltage on gen
No
GB closed
Yes
back sync ON
Yes
direct close OK
No
voltage on
mains/bus
No
Yes
Yes
No
GB open
sequence
No
syn c M B
Yes
synchronised
close MB
Yes
MB closed
end
Yes
close failure
alarm
No
sync timer
runout
No
No
alarm sync.
failure
Yes
alarm GB open
failure
No
Yes