Tracking Frequency - GE C60 Instruction Manual

6 ACTUAL VALUES
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PATH: ACTUAL VALUES METERING

# TRACKING FREQUENCY

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The tracking frequency is displayed here. The frequency is tracked based on configuration of the reference source. See
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SETTINGS SYSTEM SETUP
inputs configured the frequency is measured digitally using a Clarke combination of all three-phase signals for optimized
performance during faults, open pole, and VT fuse fail conditions.
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PATH: ACTUAL VALUES METERING
# FLEXELEMENT 1
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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
BREAKER ARCING AMPS
(Brk X Arc Amp A, B, and C)
dcmA
FREQUENCY
PHASE ANGLE
POWER FACTOR
RTDs
SOURCE CURRENT
SOURCE ENERGY
(SRC X Positive Watthours)
(SRC X Negative Watthours)
(SRC X Positive Varhours)
(SRC X Negative Varhours)
SOURCE POWER
SOURCE VOLTAGE
SYNCHROCHECK
(Max Delta Volts)
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PATH: ACTUAL VALUES METERING
# DCMA INPUT xx
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Actual values for each DCMA input channel that is Enabled are displayed with the top line as the programmed channel "ID"
and the bottom line as the value followed by the programmed units.
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PATH: ACTUAL VALUES METERING
# RTD INPUT xx
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Actual values for each RTD input channel that is Enabled are displayed with the top line as the programmed channel "ID"
and the bottom line as the value.
GE Multilin
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TRACKING FREQUENCY
TRACKING FREQUENCY:
60.00 Hz
!" for more details on frequency metering and tracking. With three-phase
POWER SYSTEM
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FLEXELEMENTS
FLEXELEMENT 1 OpSig:
0.000 pu
2
× cycle
BASE = 2000 kA
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
E = 10000 MWh or MVAh, respectively
BASE
P = maximum value of V
BASE
V = maximum nominal primary RMS value of the +IN and –IN inputs
BASE
V = maximum primary RMS value of all the sources related to the +IN and –IN inputs
BASE
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TRANSDUCER I/O DCMA INPUTS
DCMA INPUT xx
0.000 mA
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TRANSDUCER I/O RTD INPUTS
RTD INPUT xx
-50 °C
C60 Breaker Management Relay
FLEXELEMENT 1(8)
setting for the two transducers configured
DCMA INPUT MAX
× I
for the +IN and –IN inputs
BASE BASE
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DCMA INPUT xx
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RTD INPUT xx
6.3 METERING
6.3.4 TRACKING FREQUENCY
6.3.5 FLEXELEMENTS™
6.3.6 TRANSDUCER I/O
6-13
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