Programming manual MPC-1
4189340103E
3.5 Generator 3-phase voltage monitoring
SETTING
DISPLAY
Facto-
ry set
Commis-
sioning
value
ALARM
MES-
SAGE
DESCRIPTION
Gen. voltage-
Monitoring
ON
ON
ON/OFF. Select generator
voltage supervision ON/OFF.
Gen.
Overvoltage
U > 440 V
430V
300...480 V (75...135V using
voltage transformers). Overvolta-
ge setpoint.
Gen.
Overvoltage
Delay= 0.1 s
0.30s
F3:
Gen.
overvolt.
0...9.9 s. Over voltage trip delay.
After timer runout, the GCB is trip-
ped and genset is stopped im-
mediately.
Gen.
Undervoltage
U < 380 V
360V
300...480 V (75...135V using
voltage transformers).
Undervoltage setpoint.
Gen.
Undervoltage
Delay =
0.1s
0.50s
F3:
Gen.
under-
volt.
0...9.9 s. Undervoltage trip delay.
After timer runout, the GCB is trip-
ped and genset is stopped im-
mediately.
3.6 Mains frequency supervision
SETTING DIS-
PLAY
Factory
set
Commis-
sioning
value
ALARM
MES-
SAGE
DESCRIPTION
Mains frequen-
cy
Supervision
ON
ON
ON/OFF. Select mains voltage
supervision ON/OFF.
Mains
overfreq.
f > 50.20 Hz
50.2-
0Hz
40.00...70.00Hz. Mains overfrequ-
ency alarm setpoint
Overfreq.
Delay= 0.1 s
0.06s
F3:
Mains
Over-
freq.
0...9.9 s. Over frequency trip de-
lay. After timer runout, the GCB
(MCB if option A is chosen) is
tripped.
Mains
underfreq.
f < 49.80Hz
49.8-
0Hz
40.00...70.00Hz. Mains under-
frequency alarm setpoint