GE 750 Instruction Manual page 54

SPECIFICATIONS
2 - 16
Phases:
Level accuracy:
Timing accuracy:
OVERVOLTAGE
Pickup level:
Dropout level:
Time delay:
Phases:
Level accuracy:
Timing accuracy:
NEGATIVE SEQUENCE VOLTAGE
Pickup level:
Dropout level:
Time delay:
Level accuracy:
Timing accuracy:
UNDERFREQUENCY
Minimum voltage:
Pickup level:
Dropout level:
Time delay:
Level accuracy:
Timing accuracy:
BREAKER FAILURE
Pickup level:
Dropout level:
Time delay:
Timing accuracy:
Level accuracy:
NEUTRAL DISPLACEMENT
Pickup level:
Dropout level:
Curves:
Curve multiplier:
Reset type:
Level accuracy:
Timing accuracy:
REVERSE POWER (IF ENABLED)
Pickup level:
Dropout level:
Reset time:
Level accuracy:
Time delay:
Timing accuracy:
Any one, any two, or all three (programmable) phases must
operate for output (Bus Undervoltage only)
per voltage input
±100 ms
0 to 1.25 × VT in steps of 0.01
97 to 98% of pickup level
0.0 to 6000.0 s in steps of 0.1
(Definite Time)
Any one, any two, or all three (programmable) phases must
operate for output
per voltage input
±100 ms
0 to 1.25 × VT in steps of 0.01
97 to 98% of pickup level
0 to 6000.0 s in steps of 0.1
(Definite Time / Inverse Time)
3 × voltage input error
±100 ms
0 to 1.25 × VT in steps of 0.01 in Phase A
20 to 65 Hz in steps of 0.01
Pickup + 0.03 Hz
0 to 600.00 s in steps of 0.01
(Definite Time)
±0.02 Hz
±100 ms
0.05 to 20.0 × CT in steps of 0.01
97 to 98% of pickup level
0.03 to 1.00 s in steps of 0.01
±20 ms error
per CT input
0.00 to 1.25 × VT in steps of 0.01
97 to 98% of pickup level
ANSI Extremely/Very/Moderately/Normally Inverse, Definite
Time (0.1 s base curve), IEC Curve A/B/C and Short, FlexCurve™
A/B (programmable curves), IAC Extreme/Very/Inverse/Short
0 to 100.00 in steps of 0.01
Instantaneous/Linear
3 × voltage input error
±50 ms
0.015 to 0.600 × rated power
94 to 95% of pickup
less than 100 ms
see 3Φ Real Power metering
0.0 to 6000.0 s in steps of 0.1
±200 ms (includes Reverse Power pickup time)
750 FEEDER MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 2: INTRODUCTION