InteliLite
NT
– AMF20/25, SW version 1.2, ©ComAp – March 2008
50
IL-NT-AMF-Reference Guide1.2.pdf
Step:
1s
Range:
1 – 3600 s
Fwd Return 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
AutoMains fail
:
Fwd Return Del
setpoint.
If
the
Fwd Return 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
Fwd Return 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/Open
MCB
Close/Open
MCB
Feedback
GCB
Close/Open
MCB
Feedback
GCB
Close/Open
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%
Mains <V
[%]
Threshold for mains undervoltage. All three phases are checked. Maximum out of three is used.
Step:
1% of nominal voltage
Range:
50% – 150 (Mains >V)%
Mains V Del
[s]
Delay for mains undervoltage and overvoltage
Step:
0.1 s
Range:
0 – 600.0 s
Mains
V
Unbal
[%]
Threshold for mains voltage unbalance
Step:
1% of Nominal voltage
Range:
1 – 150%
MCB opening del
Fwd Return
Del
Fw Return
Del
MCB opening
