GE M60 Instruction Manual page 36
Motor protection system
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Also See for M60:
- Instruction manual (612 pages) ,
- Communications manual (532 pages) ,
- Communications manual (526 pages)
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SPECIFICATIONS
Offset impedance:
Pickup level:
Dropout level:
Operation time:
AMP UNBALANCE
Average and full load amps:
I_1 and I_2 amps:
2
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Operate time:
Timer accuracy:
MECHANICAL JAM
Operating condition:
Arming condition:
Pickup level:
Dropout level:
Level accuracy:
Pickup delay:
Reset delay:
Timer accuracy:
ACCELERATION TIME
Acceleration current:
Acceleration time:
Operating mode:
Timer accuracy:
Level accuracy:
UNDERPOWER
Operation:
Number of elements:
Pickup level:
Pickup level accuracy:
Hysteresis:
Pickup delay:
Timer accuracy:
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:
2-22
0.00 to 250.00 Ω in steps of 0.01
0.002 to 30.000 pu in steps of 0.01
97 to 98%
<16 ms at 3 × pickup at 60 Hz
RMS
phasor
0.0 to 100.0% in steps of 0.1
97 to 98% of pickup
±0.1
0.00 to 600.00 s in steps of 0.01
0.00 to 600.00 s in steps of 0.01
<20 ms at 1.10 × pickup at 60 Hz
±3% of operate time or ±20 ms, whichever is greater
Phase overcurrent
Motor not starting
1.00 to 10.00 × FLA in steps of 0.01
97 to 98% of pickup
at 0.1 to 2.0 × CT: ±0.5% of reading
at >2.0 × CT rating: ±1.5% of reading
0.10 to 600.00 s in steps of 0.01
0.00 to 600.00 s in steps of 0.01
±3% of operate time or ±20 ms, whichever is greater
1.00 to 10.00 × FLA in steps of 0.01
0.00 to 180.00 s in steps of 0.01
Definite Time, Adaptive
±100 ms or ±0.5% of total time (whichever is greater)
±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
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
CHAPTER 2: PRODUCT DESCRIPTION
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
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