GE C60 Instruction Manual page 439
Breaker protection system
ur series
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6 ACTUAL VALUES
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
The metered values for real, reactive, and apparent power, as well as power factor, are displayed in this menu. The "SRC
1" text is replaced by whatever name was programmed by the user for the associated source (see
).
SETUP
SIGNAL SOURCES
When VTs are configured in wye, the C60 calculates power in each phase and three-phase power is measured as
When VTs are configured in delta, the C60 does not calculate power in each phase and three-phase power is measured as
where
S is the apparent power
V
, V
, V
, I
, I
, I
are phase voltage and phase current phasors
A
B
C
A
B
C
V
and V
are phase-to-phase voltage phasors
AB
CB
Î is the conjugate of I
g) ENERGY METERING
PATH: ACTUAL VALUES
METERING
ENERGY
SRC 1
MESSAGE
MESSAGE
MESSAGE
The metered values for real and reactive energy are displayed in this menu. The "SRC 1" text will be replaced by whatever
name was programmed by the user for the associated source (see
Because energy values are accumulated, these values should be recorded and then reset immediately prior to changing
CT or VT characteristics.
h) DEMAND METERING
PATH: ACTUAL VALUES
METERING
DEMAND
SRC 1
MESSAGE
GE Multilin
SRC 1
APPARENT PWR
φc:
0.000
VA
SRC 1
POWER FACTOR
3φ:
1.000
SRC 1
POWER FACTOR
φa:
1.000
SRC 1
POWER FACTOR
φb:
1.000
SRC 1
POWER FACTOR
φc:
1.000
S = V
x Î
+ V
x Î
+ V
A
A
B
B
C
S = V
x Î
+ V
x Î
AB
A
CB
SOURCE SRC 1
ENERGY
SRC 1
POS WATTHOUR:
0.000
Wh
SRC 1
NEG WATTHOUR:
0.000
Wh
SRC 1
POS VARHOUR:
0.000
varh
SRC 1
NEG VARHOUR:
0.000
varh
SOURCE SRC 1
DEMAND
SRC 1
DMD IA:
0.000
A
SRC 1
DMD IA MAX:
0.000
A
C60 Breaker Protection System
x Î
C
C
SETTINGS
SYSTEM SETUP
6.3 METERING
SETTINGS
SYSTEM
(EQ 6.1)
(EQ 6.2)
6
).
SIGNAL SOURCES
6-19
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