Power Supply; Outputs - GE C70 Instruction Manual
Capacitor bank protection and control system ur series
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- Instruction manual (702 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (672 pages)
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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
IRIG-B INPUT
IRIG formats accepted: B000...B007, B120...B127
IRIG control bits:
IEEE Std C37.118.1-2011
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
LOW RANGE
Nominal DC voltage:
24 to 48 V
Minimum DC voltage:
20 V
Maximum DC voltage:
60 V for RL power supply module (obso-
lete), 75 V for SL power supply module
Voltage loss hold-up:
200 ms duration at maximum load
NOTE: Low range is DC only.
HIGH RANGE
Nominal DC voltage:
125 to 250 V
Minimum DC voltage:
88 V
Maximum DC voltage:
300 V
Nominal AC voltage:
100 to 240 V at 50/60 Hz
Minimum AC voltage:
88 V at 25 to 100 Hz
Maximum AC voltage:
265 V at 25 to 100 Hz
Voltage loss hold-up:
200 ms duration at maximum load
FORM-A RELAY
Make and carry for 0.2 s: 30 A as per ANSI C37.90
Carry continuous:
6 A
Break (DC inductive, L/R = 40 ms):
VOLTAGE
CURRENT
24 V
1 A
48 V
0.5 A
125 V
0.3 A
250 V
0.2 A
Operate time:
< 4 ms
Contact material:
silver alloy
GE Multilin
C70 Capacitor Bank Protection and Control System
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
ALL RANGES
Volt withstand:
2 × Highest Nominal Voltage for 10 ms
Power consumption:
typical = 15 to 20 W/VA
maximum = 45 W/VA
contact factory for exact order code con-
sumption
INTERNAL FUSE
RATINGS
Low range power supply: 8 A / 250 V
High range power supply: 4 A / 250 V
INTERRUPTING CAPACITY
AC:
100 000 A RMS symmetrical
DC:
10 000 A
LATCHING RELAY
Make and carry for 0.2 s: 30 A as per ANSI C37.90
Carry continuous:
6 A as per IEEE C37.90
Break (DC resistive as per IEC61810-1):
VOLTAGE
CURRENT
24 V
6 A
48 V
1.6 A
125 V
0.4 A
250 V
0.2 A
Operate time:
< 4 ms
Contact material:
silver alloy
Control:
separate operate and reset inputs
Control mode:
operate-dominant or reset-dominant
2.4 SPECIFICATIONS
2
2.4.6 POWER SUPPLY
2.4.7 OUTPUTS
2-23
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