CHAPTER 5: SETTINGS
GROUPED ELEMENTS
F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
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5
Figure 5-138: Auxiliary undervoltage logic
5.7.8.6 Auxiliary overvoltage (ANSI 59X, IEC PTOV)
SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
VOLTAGE ELEMENTS
AUXILIARY OV1(3)
The F35 contains one auxiliary overvoltage element for each VT bank. This element is intended for monitoring overvoltage
conditions of the auxiliary voltage. The nominal secondary voltage of the auxiliary voltage channel entered under
SYSTEM
SETUP
AC INPUTS
VOLTAGE BANK X5
AUXILIARY VT X5 SECONDARY
is the per-unit (pu) base used when setting the
pickup level.
AUXILIARY OV1
AUX OV1
FUNCTION: Disabled
Range: Disabled, Enabled
AUX OV1 SIGNAL
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
AUX OV1 PICKUP:
0.300 pu
Range: 0.004 to 3.000 pu in steps of 0.001
AUX OV1 PICKUP
DELAY: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
AUX OV1 RESET
DELAY: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
AUX OV1 BLOCK:
Off
Range: FlexLogic operand
AUX OV1 TARGET:
Self-reset
Range: Self-reset, Latched, Disabled
AUX OV1 EVENTS:
Disabled
Range: Disabled, Enabled