2-10 F35 Multiple Feeder Protection System GE Multilin
2.2 SPECIFICATIONS 2 PRODUCT DESCRIPTION
2
VOLTAGE HARMONICS
Harmonics: 2nd to 25th harmonic: per phase, dis-
played as a % of f
1
(fundamental fre-
quency phasor)
THD: per phase, displayed as a % of f
1
Accuracy:
HARMONICS: 1. f
1
> 0.4pu: (0.20% + 0.035% / harmonic) of
reading or 0.15% of 100%, whichever is
greater
2. f
1
< 0.4pu: as above plus %error of f
1
THD: 1. f
1
> 0.4pu: (0.25% + 0.035% / harmonic) of
reading or 0.20% of 100%, whichever is
greater
2. f
1
< 0.4pu: as above plus %error of f
1
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu: ±0.001 Hz (when voltage signal is used
for frequency measurement)
I = 0.1 to 0.25 pu: ±0.05 Hz
I > 0.25 pu: ±0.001 Hz (when current signal is used
for frequency measurement)
DEMAND
Measurements: Phases A, B, and C present and maxi-
mum measured currents
3-Phase Power (P, Q, and S) present
and maximum measured currents
Accuracy: ±2.0%
2.2.5 INPUTS
AC CURRENT
CT rated primary: 1 to 50000 A
CT rated secondary: 1 A or 5 A by connection
Nominal frequency: 20 to 65 Hz
Relay burden: < 0.2 VA at rated secondary
Conversion range:
Standard CT: 0.02 to 46 × CT rating RMS symmetrical
Sensitive Ground CT module:
0.002 to 4.6 × CT rating RMS symmetrical
Current withstand: 20 ms at 250 times rated
1 sec. at 100 times rated
continuous at 3 times rated
Short circuit rating: 150000 RMS symmetrical amperes,
250 V maximum (primary current to
external CT)
AC VOLTAGE
VT rated secondary: 50.0 to 240.0 V
VT ratio: 1.00 to 24000.00
Nominal frequency: 20 to 65 Hz
Relay burden: < 0.25 VA at 120 V
Conversion range: 1 to 275 V
Voltage withstand: continuous at 260 V to neutral
1 min./hr at 420 V to neutral
CONTACT INPUTS
Dry contacts: 1000 Ω maximum
Wet contacts: 300 V DC maximum
Selectable thresholds: 17 V, 33 V, 84 V, 166 V
Tolerance: ±10%
Contacts per common return: 4
Recognition time: < 1 ms
Debounce time: 0.0 to 16.0 ms in steps of 0.5
Continuous current draw:3 mA (when energized)
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts: 1000 Ω maximum
Wet contacts: 300 V DC maximum
Selectable thresholds: 17 V, 33 V, 84 V, 166 V
Tolerance: ±10%
Contacts per common return: 2
Recognition time: < 1 ms
Debounce time: 0.0 to 16.0 ms in steps of 0.5
Continuous current draw:3 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,
0 to 20, 4 to 20 (programmable)
Input impedance: 379 Ω ±10%
Conversion range: –1 to + 20 mA DC
Accuracy: ±0.2% of full scale
Type: Passive
RTD INPUTS
Types (3-wire): 100 Ω Platinum, 100 & 120 Ω Nickel, 10
Ω Copper
Sensing current: 5 mA
Range: –50 to +250°C
Accuracy: ±2°C
Isolation: 36 V pk-pk
IRIG-B INPUT
Amplitude modulation: 1 to 10 V pk-pk
DC shift: TTL
Input impedance: 22 kΩ
Isolation: 2 kV
REMOTE INPUTS (IEC 61850 GSSE/GOOSE)
Number of input points: 32, configured from 64 incoming bit pairs
Number of remote devices: 16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
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