Capacitor Bank - GE C70 Instruction Manual

Capacitor bank protection and control system
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6 ACTUAL VALUES
a) MAIN MENU

PATH: ACTUAL VALUES
METERING
 CAPACITOR BANK
MESSAGE
MESSAGE
MESSAGE
The capacitor bank menu contains the actual values for the voltage differenital, neutral voltage unbalance, phase current
unbalance, and neutral current unbalance elements.
b) VOLTAGE DIFFERENTIAL

PATH: ACTUAL VALUES
METERING
 VOLTAGE
 DIFFERENTIAL 1
MESSAGE
MESSAGE
These actual values display the bus and differential signals in per-unit values of the nominal bus voltage for phases A, B,
and C.
c) NEUTRAL VOLTAGE UNBALANCE

PATH: ACTUAL VALUES
METERING
 NEUTRAL VOLTAGE
 UNBALANCE 1
MESSAGE
MESSAGE
The magnitudes (in pu) and angles of the neutral point and bus V0 voltages for the neutral voltage unbalance elements are
displayed in this menu. The magnitudes of the compensating operating voltage and restraining voltage (in pu) are also dis-
played.
d) PHASE CURRENT UNBALANCE

PATH: ACTUAL VALUES
METERING
 PHASE CURRENT
 UNBALANCE 1
MESSAGE
MESSAGE
GE Multilin


CAPACITOR BANK

 VOLTAGE
 DIFFERENTIAL
 NEUTRAL VOLTAGE
 UNBALANCE
 PHASE CURRENT
 UNBALANCE
 NEUTRAL CURRENT
 UNBALANCE

CAPACITOR BANK
VOLTAGE DIFFERENTIAL
Bus Va:
0.0000 pu
Dif Va:
0.0000 pu
Bus Vb:
0.0000 pu
Dif Vb:
0.0000 pu
Bus Vc:
0.0000 pu
Dif Vc:
0.0000 pu

CAPACITOR BANK
NEUTRAL VOLTAGE...
NEUTRAL-POINT Vx:
0.0000 pu / 0.0°
BUS V0:
0.0000 pu / 0.0°
Vop:
0.0000 pu
Vrest:
0.0000 pu

CAPACITOR BANK
PHASE CURRENT...
Raw Id A:
0.0000 pu
Cm Iop A:
0.0000 pu
Raw Id B:
0.0000 pu
Cm Iop B:
0.0000 pu
Raw Id C:
0.0000 pu
Cm Iop C:
0.0000 pu
C70 Capacitor Bank Protection and Control System
6.3 METERING
6.3.4 CAPACITOR BANK
See page 6-3.
See page 6-19.
See page 6-3.
See page 6-4.
VOLTAGE DIFFERENTIAL 1(3)
NEUTRAL VOLTAGE UNBALANCE 1(3)
PHASE CURRENT UNBALANCE 1(3)
6
6-19

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