Specifications - GE 750 Instruction Manual

CHAPTER 2: INTRODUCTION
2.4

Specifications

2.4.1 Applicability
2.4.2 Inputs
750 FEEDER MANAGEMENT RELAY – INSTRUCTION MANUAL
APPLICABILITY
Systems:
Frequency:
CONTROL POWER
Options:
LO range:
HI range:
Power:
Total loss of voltage ride through time
PHASE CURRENT
Source CT:
Relay input:
Conversion range:
Accuracy:
Overload withstand:
Calculated neutral current errors:3 × phase inputs
GROUND CURRENT
Source CT:
Relay input:
Conversion range:
Accuracy:
Overload withstand:
CT Input Current
1 A Phase &
Ground
5 A Phase &
Ground
100 A
3 or 4 wire, 600 kV maximum
5000 A maximum
25 to 60 Hz nominal
(frequency tracking allows operation from 16 to 65 Hz)
LO/HI (specify with order)
20 to 60 V DC
20 to 48 V AC at 48 to 62 Hz
88 to 300 V DC
70 to 265 V AC at 48 to 62 Hz
25 VA nominal, 35 VA max.
(0% control power): 16.7 ms
1 to 50000 A primary,
1 or 5 A secondary
1 A or 5 A (specify with order)
0.01 to 20 × CT
(fundamental frequency only)
at < 2 × CT: ±0.5% of 2 × CT
at 2 × CT: ±1% of 20 × CT
≥
1 second at 80 × rated current; continuous at 3 × rated current
1 to 50000 A primary,
1 or 5 A secondary
1 A or 5 A (specify with order)
0.01 to 20 × CT (fundamental frequency only)
at < 2 × CT: ±0.5% of 2 × CT
at 2 × CT: ±1% of 20 × CT
≥
1 second at 80 × rated current; continuous at 3 × rated current
Burden (typical)
VA
1 A 0.025 VA
5 A 0.60 VA
20 A 10 VA
5 A 0.40 VA
25 A 10 VA
120 VA
SPECIFICATIONS
OHMS
0.02
0.02
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