6 ACTUAL VALUES
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 will be replaced by whatever name was programmed by the user for the associated source (see
TEM SETUP
SIGNAL SOURCES
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) FREQUENCY METERING
PATH: ACTUAL VALUES
METERING
FREQUENCY
SRC 1
The metered frequency values are displayed in this menu. The "SRC 1" text will be replaced by whatever name was pro-
grammed by the user for the associated source (see
is measured via software-implemented zero-crossing detection of an AC signal. The signal is either a
SOURCE FREQUENCY
Clarke transformation of three-phase voltages or currents, auxiliary voltage, or ground current as per source configuration
(see the
SYSTEM SETUP
final frequency measurement is passed through a validation filter that eliminates false readings due to signal distortions and
transients.
GE Multilin
SRC 1
POWER FACTOR
3:
1.000
SRC 1
POWER FACTOR
a:
1.000
SRC 1
POWER FACTOR
b:
1.000
SRC 1
POWER FACTOR
c:
1.000
).
SOURCE SRC 1
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
SRC 1
FREQUENCY:
0.00 Hz
SETTINGS
settings). The signal used for frequency estimation is low-pass filtered. The
POWER SYSTEM
D60 Line Distance Protection System
ENERGY
SETTINGS
SYSTEM SETUP
FREQUENCY
SYSTEM SETUP
SIGNAL SOURCES
6.3 METERING
SETTINGS
SYS-
).
SIGNAL SOURCES
6
).
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