CHAPTER 6: SETPOINTS
S3 PROTECTION
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
6–83
AUX UV FUNCTION
Range: Disabled, Alarm, Latched Alarm, Trip
Default: Disabled
For details see
AUX UV PKP
Range: 0.00 to 1.25 x VT in steps of 0,01
Default: 0.75 x VT
This setting defines the auxiliary UV pickup level.
AUX UV CURVE
Range: Definite Time, Inverse Time
Default: Inverse Time
This setting selects the type of timing-inverse time/definite time, to define the time of
aux. undervoltage operation based on selected UV time delay, and the actual
undervoltage condition with respect to the selected UV pickup.
AUX UV DELAY
Range: 0.00 to 600.00 sec in steps of 0.01 sec
Default: 2.0 s
This setting specifies the time delay before UV operation, when Definite Time is selected
under the AUX UV CURVE setting. When Inverse Time is selected, this setting is used in
the formula for Inverse Time operating time.
AUX UV MIN VOLTAGE
Range: 0.00 to 1.25 x VT in steps of 0,01
Default: 0.30 x VT
The minimum operating voltage level is programmable to prevent undesired UV
operation before voltage becomes available.
OUTUT RELAY X
For details see
BLOCK 1/2/3
For details see