GE M60

CHAPTER 6: ACTUAL VALUES METERING
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 6-19
6
The metered auxiliary voltage values are displayed in this menu. The "SRC 1" text is replaced by the name programmed by
the user for the associated source (see
SETTINGS  SYSTEM SETUP  SIGNAL SOURCES).
6.4.4.6 Power metering
ACTUAL VALUES  METERING  SOURCE SRC 1  POWER
This menu displays metered values for real, reactive, and apparent power, as well as power factor. The "SRC 1" text is
replaced by the name programmed by the user for the associated source (see
SETTINGS  SYSTEM SETUP  SIGNAL
SOURCES
).
When VTs are configured in wye, the M60 calculates power in each phase and three-phase power is measured as
S = V
A
x Î
A
+ V
B
x Î
B
+ V
C
x Î
C
Eq. 6-1
When VTs are configured in delta, the M60 does not calculate power in each phase and three-phase power is measured as
S = V
AB
x Î
A
+ V
CB
x Î
C
Eq. 6-2
where
S is the apparent power
V
A
, V
B
, V
C
, I
A
, I
B
, I
C
are phase voltage and phase current phasors
 POWER
 SRC 1

SRC 1 REAL POWER
3φ: 0.000 W

SRC 1 REAL POWER
φa: 0.000 W

SRC 1 REAL POWER
φb: 0.000 W

SRC 1 REAL POWER
φc: 0.000 W

SRC 1 REACTIVE PWR
3φ: 0.000 var

SRC 1 REACTIVE PWR
φa: 0.000 var

SRC 1 REACTIVE PWR
φb: 0.000 var

SRC 1 REACTIVE PWR
φc: 0.000 var

SRC 1 APPARENT PWR
3φ: 0.000 VA

SRC 1 APPARENT PWR
φa: 0.000 VA

SRC 1 APPARENT PWR
φb: 0.000 VA

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