Inputs - GE G60 Instruction Manual

2.2 SPECIFICATIONS
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
CURRENT HARMONICS
Harmonics:
2
Accuracy:
HARMONICS: 1. f
1
reading or 0.15% of 100%, whichever is
greater
2. f
1
THD: 1. f
1
reading or 0.20% of 100%, whichever is
greater
2. f
1
AC CURRENT
CT rated primary:
CT rated secondary:
Relay burden:
Conversion range:
Standard CT:
Sensitive Ground CT module:
0.002 to 4.6 × CT rating RMS symmetrical
Current withstand:
AC VOLTAGE
VT rated secondary:
VT ratio:
Conversion range:
Voltage withstand:
FREQUENCY
Nominal frequency setting:25 to 60 Hz
Sampling frequency:
Tracking frequency range:3 to 70 Hz
CONTACT INPUTS
Dry contacts:
Wet contacts:
Selectable thresholds:
Tolerance:
Contacts per common return: 4
Recognition time:
Debounce time:
Continuous current draw:4 mA (when energized)
2-22
±2.0% of reading
6
±0 to 1 × 10
Mvarh
three-phase only
50 ms
2nd to 25th harmonic: per phase, dis-
(
played as a % of f fundamental fre-
1
quency phasor)
THD: per phase, displayed as a % of f
> 0.4pu: (0.20% + 0.035% / harmonic) of
< 0.4pu: as above plus %error of f
> 0.4pu: (0.25% + 0.035% / harmonic) of
< 0.4pu: as above plus %error of f
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
20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom
Short circuit rating:150000 RMS sym-
metrical amperes, 250 V maximum (pri-
mary current to external CT)
50.0 to 240.0 V
1.00 to 24000.00Relay burden:< 0.25 VA
at 120 V
1 to 275 V
continuous at 260 V to neutral
1 min./hr at 420 V to neutral
64 samples per power cycle
1000 Ω maximum
300 V DC maximum
17 V, 33 V, 84 V, 166 V
±10%
< 1 ms
0.0 to 16.0 ms in steps of 0.5
G60 Generator Protection System
VOLTAGE HARMONICS
Harmonics:
Accuracy:
HARMONICS: 1. f
reading or 0.15% of 100%, whichever is
greater
2. f
THD: 1. f
1
reading or 0.20% of 100%, whichever is
greater
2. f
FREQUENCY
1
Accuracy at
V = 0.8 to 1.2 pu:
I = 0.1 to 0.25 pu:
1
I > 0.25 pu:
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts:
Wet contacts:
Selectable thresholds:
Tolerance:
Contacts per common return: 2
Recognition time:
Debounce time:
Continuous current draw:4 mA (when energized)
Auto-burnish impulse current: 50 to 70 mA
Duration of auto-burnish impulse: 25 to 50 ms
DCMA INPUTS
Current input (mA DC): 0 to –1, 0 to +1, –1 to +1, 0 to 5, 0 to 10,
Input impedance:
Conversion range:
Accuracy:
Type:
RTD INPUTS
Types (3-wire):
Sensing current:
Range:
Accuracy:
Isolation:
2 PRODUCT DESCRIPTION
2nd to 25th harmonic: per phase, dis-
(
played as a % of f fundamental fre-
1
quency phasor)
THD: per phase, displayed as a % of f
> 0.4pu: (0.20% + 0.035% / harmonic) of
1
< 0.4pu: as above plus %error of f
1
> 0.4pu: (0.25% + 0.035% / harmonic) of
1
< 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)

2.2.5 INPUTS

1000 Ω maximum
300 V DC maximum
17 V, 33 V, 84 V, 166 V
±10%
< 1 ms
0.0 to 16.0 ms in steps of 0.5
0 to 20, 4 to 20 (programmable)
379 Ω ±10%
–1 to + 20 mA DC
±0.2% of full scale
Passive
100 Ω Platinum, 100 & 120 Ω Nickel, 10
Ω Copper
5 mA
–50 to +250°C
±2°C
36 V pk-pk
GE Multilin
1
1
1