GE M60 Instruction Manual page 266

Motor protection system
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FLEXLOGIC
Operand type
ELEMENT:
Ground
instantaneous
overcurrent
ELEMENT:
Ground time
overcurrent
ELEMENT
Non-volatile latches
ELEMENT:
Motor mechanical
jam
ELEMENT:
Motor acceleration
time
ELEMENT:
Two-speed motor
ELEMENT:
Motor thermal model
5
ELEMENT:
Negative-sequence
overvoltage
ELEMENT:
Neutral
instantaneous
overcurrent
ELEMENT:
Neutral overvoltage
ELEMENT:
Neutral directional
overcurrent
ELEMENT:
Overfrequency
ELEMENT:
Phase directional
overcurrent
5-138
Operand syntax
GROUND IOC1 PKP
GROUND IOC1 OP
GROUND IOC1 DPO
GROUND IOC2
GROUND TOC1 PKP
GROUND TOC1 OP
GROUND TOC1 DPO
GROUND TOC2
LATCH 1 ON
LATCH 1 OFF
LATCH 2 to LATCH 16
MECHANICAL JAM PKP
MECHANICAL JAM DPO
MECHANICAL JAM OP
MOTOR ACCEL TIME OP
MOTOR ACCEL TIME DPO
MOTOR SPD2 TR 2-1 OP
MOTOR SPD2 ACL t OP
MOTOR SPD2 ACL t DPO
MOTOR THERMAL PKP
MOTOR THERMAL OP
MOTOR THERMAL DPO
MOTOR RESTART
MOTOR START INHIBIT
MOTOR OFFLINE
MOTOR STARTING
MOTOR RUNNING
MOTOR OVERLOAD
NEG SEQ OV1 PKP
NEG SEQ OV1 DPO
NEG SEQ OV1 OP
NEG SEQ OV2...
NEUTRAL IOC1 PKP
NEUTRAL IOC1 OP
NEUTRAL IOC1 DPO
NEUTRAL IOC2
NEUTRAL OV1 PKP
NEUTRAL OV1 DPO
NEUTRAL OV1 OP
NTRL DIR OC1 FWD
NTRL DIR OC1 REV
NTRL DIR OC2
OVERFREQ 1 PKP
OVERFREQ 1 OP
OVERFREQ 1 DPO
OVERFREQ 2 to 4
PH DIR1 BLK A
PH DIR1 BLK B
PH DIR1 BLK C
PH DIR1 BLK
PH DIR2
Operand description
Ground instantaneous overcurrent 1 has picked up
Ground instantaneous overcurrent 1 has operated
Ground instantaneous overcurrent 1 has dropped out
Same set of operands as shown for GROUND IOC 1
Ground time overcurrent 1 has picked up
Ground time overcurrent 1 has operated
Ground time overcurrent 1 has dropped out
Same set of operands as shown for GROUND TOC1
Non-volatile latch 1 is ON (Logic = 1)
Non-volatile latch 1 is OFF (Logic = 0)
Same set of operands as shown for LATCH 1
The mechanical jam element has picked up
The mechanical jam element has dropped out
The mechanical jam element has operated
The motor acceleration time element has operated
The motor acceleration time element has dropped out
Asserted when the motor switches from speed 2 to speed 1
Asserted when the acceleration time function at speed 2 operates
Asserted when the acceleration time function at speed 2 drops off
The thermal model element has picked up
The thermal model element has operated
The thermal model element has dropped out
The motor has restarted
A motor start inhibit condition has occurred
The motor is offline
The motor is starting
The motor is running
A motor overload condition has occurred
Negative-sequence overvoltage element has picked up
Negative-sequence overvoltage element has dropped out
Negative-sequence overvoltage element has operated
Same set of operands as shown for NEG SEQ OV1
Neutral instantaneous overcurrent 1 has picked up
Neutral instantaneous overcurrent 1 has operated
Neutral instantaneous overcurrent 1 has dropped out
Same set of operands as shown for NEUTRAL IOC1
Neutral overvoltage element 1 has picked up
Neutral overvoltage element 1 has dropped out
Neutral overvoltage element 1 has operated
Neutral directional overcurrent 1 forward has operated
Neutral directional overcurrent 1 reverse has operated
Same set of operands as shown for NTRL DIR OC1
Overfrequency 1 has picked up
Overfrequency 1 has operated
Overfrequency 1 has dropped out
Same set of operands as shown for OVERFREQ 1
Phase A directional 1 block
Phase B directional 1 block
Phase C directional 1 block
Phase directional 1 block
Same set of operands as shown for PH DIR1
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS

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