InteliCompact
NT
, SW version 2.1
InteliCompact-NT-2.1-Reference Guide.pdf, ©ComAp – May 2015
When a switchover of the MCB and GCB is performed (in both directions),
this setpoint defines the period between one breaker being opened and the
other closed.
If the gen-set is still not in AMF operation e.g. GCB has not started and not
closed yet, and the mains becomes healthy again, the MCB is reclosed after
the mains are continuously healthy for this time period.
NOTE:
If the gen-set is already supplying the load, the setpoint MainsReturnDel will
be active instead of this setpoint.
Adjusting of the condition when MCB opens after Mains fail:
MAINSFAIL: Controller opens the MCB when Mains fail is detected (24V DC
controlled circuit breaker or contactor expected).
GENRUN: Controller opens the MCB only after the gen-set has been
started, i.e. the generator voltage is present to open the MCB (230V AC
controlled breaker expected).
MANUAL: When RetFromIsland = MANUAL and there is a Mains Fail, gen-
sets are started and after Mains Return operator can manually transfer the
load back to Mains even if the controller stays in AUT mode.
AUTO: No automatic mode change is performed.
NOTE:
Select RetFromIsland = MANUAL in case you need to manually control the
moment when the load is transferred back to the mains.
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