InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 82
IL-NT-AMF-2.2-Reference Guide.pdf
DualAMFTime
[h]
Within this time period are gen-sets switching in supplying the load.
Step:
1h
Range:
1
– 24h
RetFromIsland
[MANUAL/AUTO]
MANUAL:
After closing GCB, IL goes to MAN Mode automatically.
AUTO:
No automatic switching to MAN Mode.
EmergStart Del
[s]
Delay after the mains failure to the start of the gen-set
Step:
1s
Range:
0
– 6000 s
MainsReturnDel
[s]
Delay after the mains return to the GCB opening.
Step:
1s
Range:
1
– 3600 s
Transfer Del
[s]
Delay after GCB opening to MCB closing during the return procedure.
Delay after MCB opening to GCB closing if the setpoint
MCB Opens On
set to GENRUN
Step:
0.1s
Range:
0
– 600.0 s
The time charts bellow show recommended setting of
AMF Settings
:
Transfer Del
setpoint.
If the
Transfer Del
setpoint is set shorter
If some delay between
MCB feedback
than the time required for opening of the
deactivation and closing of
GCB Close/Open
circuit breaker, the controller closes
GCB
output is required, then the
Transfer Del
Close/Open
output straight away (100 ms)
must be set to sum of “MCB opening” + “del”
after the
MCB feedback
input deactivates.
time.
MCB Close Del
[s]
Delay after mains returns to MCB closing, if gen-set is not running(e.g. is in start-up procedure)
Step:
0.1s
Range:
0
– 60.0 s
Mains >V
[%]
Threshold for mains overvoltage. All three phases are checked. Maximum out of three is used.
Step:
1% of Nominal voltage
Range:
50 (Mains <V)
– 150%
MCB
Close/Open
MCB
Feedback
GCB
Close/Open
MCB opening
del
Transfer Del
MCB
Close/Open
MCB
Feedback
GCB
Close/Open
Transfer
Del
MCB opening