Power Factor Mode; Field Application Relay Delay; Field Contactor Auxiliary Relay Delay - GE GEK-113045B Manual

Synchronous motor protection and control
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5 SETPOINTS
PF MODE: ridethru
ENTER to modify
FUNCTION:
Ridethru Mode: This mode allows the motor to "ride through" power factor dips of less duration than the PF
DELAY but will protect against cyclical power factor dips. Brushless motors are automatically in ridethru mode.
Resync Mode: Upon measuring a power factor below the PF TRIP setpoint, the unit de-energizes the FAR and
FCX relays and attempts to resynchronize the motor. The motor continues to run with the field removed for the
programmed PF DELAY, and if resynchronization does not occur within this time a PWR FACTOR TRIP occurs,
operating the trip relay and stopping the motor.
MOTOR TYPE:
Collector-Ring
FAR DELAY:
ENTER to modify
FUNCTION:
This setpoint provides for a time delay in closing the field application relay (FAR) to apply DC to the exciter
after the stator windings are energized.
MOTOR TYPE:
Brushless
FCX DELAY:
ENTER to modify
FUNCTION:
Program FCX DELAY time to enable power factor protection, field overtemperature protection, field loss protec-
tion and auto-loading FCX relay operation. Timing begins with FAR relay operation.
MOTOR TYPE:
Collector-Ring and Brushless
GE Multilin
Courtesy of store.ips.us
Range: ridethru, resync
0 s
Range: 0 to 90 seconds
Step: 1
1 s
Range: 1 to 6 seconds for Collector-Ring
1 to 90 seconds for Brushless
Step: 1
SPM Synchronous Motor Protection and Control

5.2.4 POWER FACTOR MODE

5.2.5 FIELD APPLICATION RELAY DELAY

5.2.6 FIELD CONTACTOR AUXILIARY RELAY DELAY

5.2 SETPOINTS MENU
5-
3
5

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1601-0072-a9

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