GE UR Series C70 Instruction Manual page 359

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 will be replaced by whatever name was programmed by the user for the associated source (see
TEM SETUP SIGNAL SOURCES
g) 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.
h) CURRENT HARMONICS AND THD METERING
PATH: ACTUAL VALUES METERING
CURRENT HARMONICS
SRC 1
MESSAGE
MESSAGE
MESSAGE
The metered current harmonics values 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
harmonics are measured for each source for the total harmonic distortion (THD) and 2nd to 25th harmonics per phase.
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
).
SOURCE SRC 1
SRC 1 FREQUENCY:
0.00 Hz
SETTINGS
settings). The signal used for frequency estimation is low-pass filtered. The
POWER SYSTEM
SOURCE SRC 1
SRC 1 THD Ia:
Ib: 0.0 Ic:
SRC 1 2ND Ia:
Ib: 0.0 Ic:
SRC 1 3RD Ia:
Ib: 0.0 Ic:
↓
SRC 1 25TH Ia:
Ib: 0.0 Ic:
C70 Capacitor Bank Protection and Control System
FREQUENCY
SYSTEM SETUP SIGNAL SOURCES
CURRENT HARMONICS
0.0
0.0%
0.0
0.0%
0.0
0.0%
0.0
0.0%
SETTINGS SYSTEM SETUP
6.3 METERING
SETTINGS SYS-
).
). Current
SIGNAL SOURCES
6-15
6