Mains 3-Phase Voltage Supervision; Vector Jumping Monitoring - Deif MPC-1 Programming Manual

Underfreq. 0.06s
Delay = 0.1s

3.7 Mains 3-phase voltage supervision

In parallel with mains, this function is essential. Should a mains failure occur, the
parallel running generator must be disconnected from the mains. Dependent on the
modes chosen, the genset will be switched into idle run or emergency power run.
SETTING DIS- Factory
PLAY set
Mains voltage ON
Supervision
ON
Mains. over- 430V
volt.
U > 440 V
Mains overvolt. 0.06s
Delay= 0.1 s
Mains under- 360V
volt.
U < 380 V
Mains 0.06s
undervolt.
Delay = 0.1s

3.8 Vector jumping monitoring

SETTING DIS- Facto-
PLAY ry set
Vector jump ON
Monitoring
ON
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F3:
Mains
under-
volt.
Commis- ALARM
sioning MES-
SAGE
value
F3:
Mains
Over-
volt.
F3:
Mains
under-
volt.
Commis- ALARM
sioning MES-
value SAGE
0...9.9 s. Underfrequency trip
delay. After timer runout, the GCB
(MCB if option A is chosen) is
tripped.
DESCRIPTION
ON/OFF. Select mains frequency
supervision ON/OFF.
300...480 V (75...135V using volta-
ge transformers). Overvoltage set-
point.
0...9.9 s. Over voltage trip delay.
After timer runout, the GCB (MCB if
option A is chosen) is tripped.
300...480 V (75...135V using volta-
ge transformers). Undervoltage
setpoint.
0...9.9 s. Undervoltage trip delay.
After timer runout, the GCB (MCB if
option A is chosen) is tripped.
DESCRIPTION
ON/OFF. Select vector jump su-
pervision ON/OFF.