Metering; Inputs - GE D60 Instruction Manual

2 PRODUCT DESCRIPTION
RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0  CT rating: ±0.25% of reading or ±0.1% of rated
(whichever is greater)
2.0  CT rating:
±1.0% of reading
RMS VOLTAGE
Accuracy: ±0.5% of reading from 10 to 208 V
REAL POWER (WATTS)
Accuracy: ±1.0% of reading at
–0.8  PF  –1.0 and 0.8 PF  1.0
REACTIVE POWER (VARS)
±1.0% of reading at –0.2  PF  0.2
Accuracy:
APPARENT POWER (VA)
Accuracy: ±1.0% of reading
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:
0.02 to 46  CT rating RMS symmetrical
Standard CT:
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 4xInom; URs equipped with
24 CT inputs have a maximum operating
temp. of 50°C
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
1000  maximum
Dry contacts:
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)
GE Multilin
WATT-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
VAR-HOURS (POSITIVE AND NEGATIVE)
Accuracy:
Range:
Parameters:
Update rate:
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
I = 0.1 to 0.25 pu:
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: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,
Input impedance:
Conversion range:
Accuracy:
Type:
RTD INPUTS
Types (3-wire):
Sensing current:
Range:
Accuracy:
Isolation:
IRIG-B INPUT
Amplitude modulation:
DC shift:
Input impedance:
Isolation:
D60 Line Distance Protection System
2.2 SPECIFICATIONS

2.2.4 METERING

±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
±0.001 Hz (when voltage signal is used
for frequency measurement)
±0.05 Hz
±0.001 Hz (when current signal is used
for frequency measurement)

2.2.5 INPUTS

1000  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 ±10%
–1 to + 20 mA DC
±0.2% of full scale
Passive
100 Platinum, 100 & 120 Nickel, 10
Copper
5 mA
–50 to +250°C
±2°C
36 V pk-pk
1 to 10 V pk-pk
TTL–Compatible
50 k
2 kV
2
2-17