GE B30 UR Series Instruction Manual page 287

Bus differential system
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5 SETTINGS
d) AUXILIARY OVERVOLTAGE (ANSI 59X, IEC PTOV)

PATH: SETTINGS
GROUPED ELEMENTS
 AUXILIARY OV1
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
The B30 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

SETUP
AC INPUTS
VOLTAGE BANK X5
pickup level.
GE Multilin
SETTING GROUP 1(6)
AUX OV1
FUNCTION: Disabled
AUX OV1 SIGNAL
SOURCE: SRC 1
AUX OV1 PICKUP:
0.300 pu
AUX OV1 PICKUP
DELAY: 1.00 s
AUX OV1 RESET
DELAY: 1.00 s
AUX OV1 BLOCK:
Off
AUX OV1 TARGET:
Self-reset
AUX OV1 EVENTS:
Disabled

AUXILIARY VT X5 SECONDARY
Figure 5–68: AUXILIARY OVERVOLTAGE SCHEME LOGIC
B30 Bus Differential System
5.6 GROUPED ELEMENTS


VOLTAGE ELEMENTS
AUXILIARY OV1(3)
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: 0.000 to 3.000 pu in steps of 0.001
Range: 0.00 to 600.00 s in steps of 0.01
Range: 0.00 to 600.00 s in steps of 0.01
Range: FlexLogic operand
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
is the per-unit (pu) base used when setting the
5
SYSTEM
5-161

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