GE 350-A9

6–86 350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
S3 PROTECTION CHAPTER 6: SETPOINTS
Figure 6-38: Auxiliary Overvoltage logic diagram
Auxiliary Voltage Input
(associated setpoints)
SETPOINTS
SETPOINT
AUX OV FUNCTION: Disabled = 0
Latched Alarm
AUX OV PICKUP:
AND
Operate Output Relay 1 (TRIP)
Event Recorder
LED: TRIP
Alarm
OR
OR
AND
SETPOINTS
Do Not Operate, Operate
OUTPUT RELAY X
Trip
AND
Trip (To Breaker Failure)
SETPOINTS
BLOCK 1: Off = 0 BLOCK 2: Off = 0 BLOCK 3: Off = 0
OR
RUN
Aux V
LED: PICKUP
Aux. OV Trip (Alarm) - PKP, OP, DPO
Message
V > PICKUP
AUX OV DELAY:
SETPOINT
t
PKP
LED: ALARM
RESET
Command
AND
S R
LATCH
898011A2.cdr