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6.3 METERING
The magnitudes of the raw differential current and compensated operating currents (in per-units of the differential CT) are
displayed for each phase.
e) NEUTRAL CURRENT UNBALANCE
PATH: ACTUAL VALUES
NEUTRAL CURRENT
UNBALANCE 1
The magnitudes of the raw neutral split-phase current and compensated operating current (in per-units of the ground CT
input) are displayed in this menu.
PATH: ACTUAL VALUES
TRACKING FREQUENCY
The tracking frequency is displayed here. The frequency is tracked based on the selection of the reference source with the
FREQUENCY AND PHASE REFERENCE
Power System section of chapter 5 for additional details.
PATH: ACTUAL VALUES
FLEXELEMENT 1
The operating signals for the FlexElements™ are displayed in pu values using the following definitions of the base units.
6
Table 6–2: FLEXELEMENT™ BASE UNITS
dcmA
FREQUENCY
PHASE ANGLE
POWER FACTOR
RTDs
SOURCE CURRENT
SOURCE POWER
SOURCE THD & HARMONICS
SOURCE VOLTAGE
6-18
METERING
CAPACITOR BANK
Raw INsp: 0.0000 pu
Comp Iop: 0.0000 pu
METERING
TRACKING FREQUENCY
TRACKING FREQUENCY:
60.00 Hz
setting in the
SETTINGS
METERING
FLEXELEMENTS
FLEXELEMENT 1
OpSig: 0.000 pu
BASE = maximum value of the
under the +IN and –IN inputs.
f
= 1 Hz
BASE
ϕ
= 360 degrees (see the UR angle referencing convention)
BASE
PF
= 1.00
BASE
BASE = 100°C
I
= maximum nominal primary RMS value of the +IN and –IN inputs
BASE
P
= maximum value of V
BASE
BASE = 1%
V
= maximum nominal primary RMS value of the +IN and –IN inputs
BASE
C70 Capacitor Bank Protection and Control System
NEUTRAL CURRENT...
NEUTRAL CURRENT UNBALANCE 1(3)
SYSTEM SETUP
POWER SYSTEM
FLEXELEMENT 1(16)
DCMA INPUT MAX
setting for the two transducers configured
× I
for the +IN and –IN inputs
BASE
BASE
6 ACTUAL VALUES
6.3.5 TRACKING FREQUENCY
menu. Refer to the
6.3.6 FLEXELEMENTS™
GE Multilin
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