GE M60 Instruction Manual page 378

Motor protection system
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FLEXLOGIC
Operand type
ELEMENT:
Digital counters
ELEMENT:
Digital elements
ELEMENT:
Sensitive directional
power
ELEMENT:
FlexElements
ELEMENT:
Ground
instantaneous
5
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
ELEMENT:
Negative-sequence
overvoltage
5-170
Operand syntax
CT FAIL 2 to 4
Counter 1 HI
Counter 1 EQL
Counter 1 LO
Counter 2 to 8
Dig Element 1 PKP
Dig Element 1 OP
Dig Element 1 DPO
Dig Element 2 to 48
DIR POWER 1 STG1 PKP
DIR POWER 1 STG2 PKP
DIR POWER 1 STG1 DPO
DIR POWER 1 STG2 DPO
DIR POWER 1 STG1 OP
DIR POWER 1 STG2 OP
DIR POWER 1 PKP
DIR POWER 1 DPO
DIR POWER 1 OP
DIR POWER 2
FxE 1 PKP
FxE 1 OP
FxE 1 DPO
FxE 2 to 16
GROUND IOC1 PKP
GROUND IOC1 OP
GROUND IOC1 DPO
GROUND IOC2 to 12
GROUND TOC1 PKP
GROUND TOC1 OP
GROUND TOC1 DPO
GROUND TOC2 to 6
LATCH 1 ON
LATCH 1 OFF
LATCH 2 to 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 to 3
Operand description
Same set of operands as per CT FAIL 1
Digital counter 1 output is 'more than' comparison value
Digital counter 1 output is 'equal to' comparison value
Digital counter 1 output is 'less than' comparison value
Same set of operands as shown for Counter 1
Digital Element 1 is picked up
Digital Element 1 is operated
Digital Element 1 is dropped out
Same set of operands as shown for Dig Element 1
Stage 1 of the directional power element 1 has picked up
Stage 2 of the directional power element 1 has picked up
Stage 1 of the directional power element 1 has dropped out
Stage 2 of the directional power element 1 has dropped out
Stage 1 of the directional power element 1 has operated
Stage 2 of the directional power element 1 has operated
The directional power element has picked up
The directional power element has dropped out
The directional power element has operated
Same set of operands as DIR POWER 1
FlexElement 1 has picked up
FlexElement 1 has operated
FlexElement 1 has dropped out
Same set of operands as shown for FxE 1
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
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS

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