InteliLite
NT
– AMF20/25, SW version 2.2, ©ComAp – September 2014 111
IL-NT-AMF-2.2-Reference Guide.pdf
Events specification
Protection
type
Information on binary
output available (See
Description
BOC Gen Lx <V
(where x=1,2,3)
BOC
given by
Gen <V BOC
and
Gen >V Sd
setpoints.
BOC Gen V Unbal
BOC
YES
The generator voltage is unbalanced
more than the value of
Volt Unbal
BOC
setpoint.
BOC Gen >, <Freq
BOC
YES
The generator frequency is out of
limits given by
Gen >Freq BOC
and
Gen <Freq BOC
setpoints.
Gen CCW Rot
WRN
NO
Genset voltage phases are not wired
correctly. MCB closing is prohibited by
controller.
BOC Amps Unbal
BOC
NO
The generator current is unbalanced.
BOC Amps IDMT
BOC
NO
Generator current exceeds the limit
for IDMT protection given by
Nominal
current
and
Amps IDMT Del
setpoints.
BOC Overload
BOC
YES
The load is greater than the value
given by
Overload BOC
setpoint.
BOC Short Crct
BOC
YES
Generator current is higher than the
value given by
Short Crct BOC
setpoint.
Sd Earth Fault
SD
YES
This alarm is activated when Earth
Fault value exceeds
Earth Fault Sd
limit for at least
Earth Fault Del
period.
Sd Overspeed
SD
YES
The protection comes active if the
speed is greater than
Overspeed
setpoint.
Sd Underspeed
SD
YES
During starting of the engine when the
RPM reach the value of
Starting RPM
setpoint the starter is switched off and
the speed of the engine can drop
under
Starting RPM
again. Then the
Underspeed protection becomes
active. Protection evaluation starts 5
seconds after reaching
StartingRPM
.
Mains Lx >V
Mains Lx <V
(where x=1,2,3)
MF
YES
The mains voltage is out of limits
given by
Mains <V
and
Mains >V
setpoints.
Mains V Unbal
MF
YES
The mains voltage is unbalanced
more than the value of Mains V
Unbal
setpoint.
Mains >, <Freq
MF
YES
The mains frequency is out of limits
given by
Mains >Freq
and
Mains
<Freq
setpoints.
Mains CCW Rot
WRN
NO
Mains voltage phases are not wired
correctly. MCB closing is prohibited by
controller.
Wrn MainsV Det
NONE
NO
AMF controller in MRS mode detects
a voltage on mains connector.
EmergencyStop
SD
NO
If the input
Emergency Stop
is opened
shutdown is immediately activated.
Sd Override
WRN
NO
The protection is active if the output
Sd Override
is closed.
GCB Fail
SD
NO
Failure of generator circuit breaker.
MCB Fail
MF
NO
Failure of mains circuit breaker.
Sd RPMMeasFail
SD
NO
Failure of magnetic pick-up sensor for