GE Multilin 350 Series

6–102 350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
S3 PROTECTION CHAPTER 6: SETPOINTS
Figure 34: Auxiliary Undervoltage logic diagram
Auxiliary Voltage Input
(Associated setpoints)
SETPOINTS
SETPOINT
AUX UV FUNCTION: Disabled = 0
Latched Alarm
AUX UV PICKUP: AUX UV CURVE: AUX UV DELAY:
AND
Operate Output Relay 1 (TRIP)
Event Recorder
LED: TRIP
Alarm
OR
OR
AND
SETPOINTS
Operate
output relays
upon
selection
OUTPUT RELAY 4 OUTPUT RELAY 5 OUTPUT RELAY 6 OUTPUT RELAY 3
Trip
AND
Trip
(To Breaker Failure)
SETPOINTS
BLOCK 1: Off=0 BLOCK 2: Off=0 BLOCK 3: Off=0
OR
RUN
PICKUP
AuxV>Minimum
AUX MIN VOLTAGE:
SETPOINT
AND
LED: PICKUP
Aux. UV Trip (Alarm) OP
, PKP, DPO
Message
LED: ALARM
RESET
Command
AND
S
R
LATCH
898012A1.cdr
Aux V
Courtesy of NationalSwitchgear.com