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2.2 SPECIFICATIONS
AC CURRENT
CT rated primary:
CT rated secondary:
Relay burden:
Conversion range:
2
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:20 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)
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
LOW RANGE
Nominal DC voltage:
Minimum DC voltage:
2-16
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
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
24 to 48 V
20 V
D30 Line Distance Protection System
2 PRODUCT DESCRIPTION
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)
379 Ω ±10%
Input impedance:
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–Compatible
Input impedance:
50 kΩ
Isolation:
2 kV
REMOTE INPUTS (IEC 61850 GSSE/GOOSE)
Input points:
32, configured from 64 incoming bit pairs
Remote devices:
16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Remote DPS inputs:
5
DIRECT INPUTS
Input points:
32
Remote devices:
16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
Yes, No
Data rate:
64 or 128 kbps
CRC:
32-bit
CRC alarm:
Responding to:
Rate of messages failing the CRC
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
1 to 1000 in steps of 1
Unreturned message alarm:
Responding to:
Rate of unreturned messages in the ring
configuration
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
1 to 1000 in steps of 1
TELEPROTECTION
Input points:
16
Remote devices:
3
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
No
Data rate:
64 or 128 kbps
CRC:
32-bit
Maximum DC voltage:
60 V
Voltage loss hold-up:
20 ms duration at nominal
NOTE: Low range is DC only.
2.2.5 INPUTS
2.2.6 POWER SUPPLY
GE Multilin
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