GE c60 Instruction Manual page 25

CHAPTER 2: PRODUCT DESCRIPTION
PHASE/NEUTRAL/GROUND TOC
Current:
Pickup level:
Dropout level:
Level accuracy:
for 0.1 to 2.0  CT:
for > 2.0  CT:
Curve shapes:
Curve multiplier:
Reset type:
Curve timing accuracy at 1.03 to 20 x pickup:
Voltage restraint:
PHASE/NEUTRAL/GROUND IOC
Pickup level:
Dropout level:
Level accuracy:
0.1 to 2.0  CT rating:
> 2.0  CT rating:
Overreach:
Pickup delay:
Reset delay:
Operate time:
Timer accuracy:
SENSITIVE DIRECTIONAL POWER
Measured power:
Number of stages:
Characteristic angle:
Calibration angle:
Minimum power:
Pickup level accuracy:
Hysteresis:
Pickup delay:
Timer accuracy:
Operate time:
PHASE UNDERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier:
Curve timing accuracy at <0.90 x pickup:
AUXILIARY UNDERVOLTAGE
Pickup level:
Dropout level:
Level accuracy:
Curve shapes:
Curve multiplier:
C60 BREAKER PROTECTION SYSTEM – INSTRUCTION MANUAL
Phasor or RMS
0.000 to 30.000 pu in steps of 0.001
97% to 98% of pickup
±0.5% of reading or ±0.4% of rated (whichever is greater)
±1.5% of reading > 2.0  CT rating
IEEE Moderately/Very/Extremely Inverse; IEC (and BS) A/B/C and Short Inverse; GE IAC Inverse,
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Short/Very/ Extremely Inverse; I t; FlexCurves™ (programmable); Definite Time (0.01 s base
curve)
Time Dial = 0.00 to 600.00 in steps of 0.01
Instantaneous/Timed (per IEEE)
±3.5% of operate time or ±½ cycle (whichever is greater) from pickup to operate
Modifies pickup current for voltage in the range of 0.1 < V < 0.9 VT Nominal in a fixed linear rela-
tionship
0.000 to 30.000 pu in steps of 0.001
97 to 98% of pickup
±0.5% of reading or ±0.4% of rated (whichever is greater)
±1.5% of reading
<2%
0.00 to 600.00 s in steps of 0.01
0.00 to 600.00 s in steps of 0.01
<16 ms at 3  pickup at 60 Hz (Phase/Ground IOC)
<20 ms at 3  pickup at 60 Hz (Neutral IOC)
±3% of operate time or ±1/4 cycle (whichever is greater)
3-phase, true RMS
2
0 to 359° in steps of 1
0.00 to 0.95° in steps of 0.05
–1.200 to 1.200 pu in steps of 0.001
±1% or ±0.001 pu, whichever is greater
2% or 0.001 pu, whichever is greater
0 to 600.00 s in steps of 0.01
±3% of operate time or ±1/4 cycle (whichever is greater)
<50 ms
0.000 to 3.000 pu in steps of 0.001
102 to 103% of pickup
±0.5% of reading from 10 to 208 V
GE IAV Inverse;
Definite Time (0.1s base curve)
Time dial = 0.00 to 600.00 in steps of 0.01
±3.5% of operate time or ±1/2 cycle (whichever is greater) from pickup to operate
0.000 to 3.000 pu in steps of 0.001
102 to 103% of pickup
±0.5% of reading from 10 to 208 V
GE IAV Inverse, Definite Time
Time Dial = 0 to 600.00 in steps of 0.01
SPECIFICATIONS
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