Tracking Frequency; Flexelements - GE C70 Instruction Manual
Capacitor bank protection and control system ur series
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Also See for C70:
- Instruction manual (702 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (672 pages)
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6.3 METERING
The magnitudes (in pu) and angles of the neutral point and bus V0 voltages for the neutral voltage unbalance elements are
displayed in this menu. The magnitudes of the compensating operating voltage and restraining voltage (in pu) are also dis-
played.
d) PHASE CURRENT UNBALANCE
PATH: ACTUAL VALUES
PHASE CURRENT
UNBALANCE 1
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.
6
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
System section of chapter 5 for 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.
Table 6–2: FLEXELEMENT BASE UNITS (Sheet 1 of 2)
DCmA
FREQUENCY
PHASE ANGLE
6-20
BUS V0:
MESSAGE
0.0000 pu / 0.0°
Vop:
MESSAGE
Vrest:
METERING
CAPACITOR BANK
Raw Id A:
Cm Iop A:
Raw Id B:
MESSAGE
Cm Iop B:
Raw Id C:
MESSAGE
Cm Iop C:
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
C70 Capacitor Bank Protection and Control System
0.0000 pu
0.0000 pu
PHASE CURRENT...
0.0000 pu
0.0000 pu
0.0000 pu
0.0000 pu
0.0000 pu
0.0000 pu
NEUTRAL CURRENT...
SYSTEM SETUP
FLEXELEMENT 1(16)
setting for the two transducers configured
DCMA INPUT MAX
6 ACTUAL VALUES
PHASE CURRENT UNBALANCE 1(3)
NEUTRAL CURRENT UNBALANCE 1(3)
6.3.5 TRACKING FREQUENCY
menu. See the Power
POWER SYSTEM
6.3.6 FLEXELEMENTS
GE Multilin
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