Inputs - GE F35 Instruction Manual

SPECIFICATIONS
REACTIVE POWER (VARS)
Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:
APPARENT POWER (VA)
Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:
2
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
VOLTAGE HARMONICS
Harmonics:
Accuracy:
HARMONICS:
THD:
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
I = 0.1 to 0.25 pu:
I > 0.25 pu:
DEMAND
Measurements:
Accuracy:

2.4.5 Inputs

AC CURRENT
CT rated primary:
CT rated secondary:
Relay burden:
Conversion range:
Standard CT:
Sensitive Ground CT module:
Current withstand:
Short circuit rating:
AC VOLTAGE
VT rated secondary:
2-20
±1.0% of reading at –1.0  PF < –0.8 and 0.8 < PF 10
±1.0% of reading at –0.2  PF  0.2
±1.0% of reading
±2.0% of reading
6
±0 to 1  10
MWh
three-phase only
50 ms
±2.0% of reading
6
±0 to 1  10 Mvarh
three-phase only
50 ms
2nd to 25th harmonic: per phase, displayed as a % of f
THD: per phase, displayed as a % of f
1. f > 0.4pu: (0.20% + 0.035% / harmonic) of reading or 0.15% of 100%, whichever is greater
1
2. f < 0.4pu: as above plus %error of f
1
1. f > 0.4pu: (0.25% + 0.035% / harmonic) of reading or 0.20% of 100%, whichever is greater
1
2. f < 0.4pu: as above plus %error of f
1
±0.01 Hz (when voltage signal is used for frequency measurement)
±0.05 Hz
±0.02 Hz (when current signal is used for frequency measurement)
Phases A, B, and C present and maximum measured currents
3-Phase Power (P, Q, and S) present and maximum measured currents
±2.0%
1 to 50000 A
1 A or 5 A by connection
< 0.2 VA at rated secondary
0.02 to 46  CT rating RMS symmetrical
0.002 to 4.6  CT rating RMS symmetrical
20 ms at 250 times rated
1 sec at 100 times rated
continuous 4xInom
150000 RMS symmetrical amperes, 250 V maximum (primary current to external CT)
50.0 to 240.0 V
F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: PRODUCT DESCRIPTION
(
fundamental frequency phasor)
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