Metering - GE F35 Instruction Manual

SPECIFICATIONS

2.5.4 Metering

RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0 × CT rating:
> 2.0 × CT rating:
RMS VOLTAGE
2
Accuracy:
REAL POWER (WATTS)
Accuracy at 0.1 to 1.5 x CT rating and 0.8 to 1.2 x VT rating:
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:
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
CURRENT HARMONICS
Harmonics:
Accuracy:
HARMONICS:
THD:
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:
2-24
±0.25% of reading or ±0.1% of rated (whichever is greater)
±1.0% of reading
±0.5% of reading from 10 to 208 V
±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
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
±0.001 Hz (when voltage signal is used for frequency measurement)
±0.005 Hz
±0.02 Hz (when current signal is used for frequency measurement)
F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: PRODUCT DESCRIPTION
( fundamental frequency phasor)
1
1
1
1
(
fundamental frequency phasor)
1
1
1
1