GE M60 Instruction Manual page 28

SPECIFICATIONS
UNDERPOWER
Operation:
Number of elements:
Pickup level:
Pickup level accuracy:
Hysteresis:
Pickup delay:
Timer accuracy:
2
Operate time:
UNDERCURRENT
Operation:
Number of elements:
Pickup level:
Pickup level accuracy:
Dropout level:
Pickup delay:
Timer accuracy:
Pickup time:
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
Voltage:
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:
Curve timing accuracy at <0.90 x pickup:
PHASE OVERVOLTAGE
Voltage:
Pickup level:
Dropout level:
Level accuracy:
2-18
three-phase apparent power
2, alarm and trip stages in each element
0.05 to 2.00 pu in steps of 0.01
±1.0% of reading
3%
0 to 600.00 s in steps of 0.01
±3% of operate time or ±10 ms, whichever is greater
<35 ms at 60 Hz
per-phase current
one with 2 stages, alarm and trip
0.10 to 0.95  FLA in steps of 0.01
±0.5% of reading or ±0.4% of rated (whichever is greater) at 0.1 to 2.0  CT rating; ±1.5% of read-
ing at >2.0  CT rating
102 to 103% of pickup
0 to 600.00 s in steps of 0.01
±3% of operate time or ±10 ms, whichever is greater
<55 ms at 60 Hz
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
Phasor only
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
±3.5% of operate time or ±1/2 cycle (whichever is greater) from pickup to operate
Phasor only
0.000 to 3.000 pu in steps of 0.001
97 to 98% of pickup
±0.5% of reading from 10 to 208 V
CHAPTER 2: PRODUCT DESCRIPTION
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL