GE L30 Instruction Manual page 310

5.6 GROUPED ELEMENTS
The element resets instantaneously. The minimum voltage setting selects the operating voltage below which the element is
blocked.
SETTING
AUX UV1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AUX UV1 BLOCK:
Off=0
SETTING
AUX UV1 SIGNAL
SOURCE:
AUX VOLT Vx
f) AUXILIARY OVERVOLTAGE (ANSI 59X, IEC PTOV)

PATH: SETTINGS GROUPED ELEMENTS
 AUXILIARY OV1

5
The L30 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
pickup level.
A typical application for this element is monitoring the zero-sequence voltage (3V_0) supplied from an open-corner-delta
VT connection.
5-166
SETTING
AUX UV1 MINIMUM
VOLTAGE:
<
Vx Minimum
Figure 5–75: AUXILIARY UNDERVOLTAGE SCHEME LOGIC

SETTING GROUP 1(6)
AUX OV1
FUNCTION: Disabled
AUX OV1 SIGNAL
MESSAGE
SOURCE: SRC 1
AUX OV1 PICKUP:
MESSAGE
0.300 pu
AUX OV1 PICKUP
MESSAGE
DELAY: 1.00 s
AUX OV1 RESET
MESSAGE
DELAY: 1.00 s
AUX OV1 BLOCK:
MESSAGE
Off
AUX OV1 TARGET:
MESSAGE
Self-reset
AUX OV1 EVENTS:
MESSAGE
Disabled

VOLTAGE BANK X5 AUXILIARY VT X5 SECONDARY
L30 Line Current Differential System
SETTING
AUX UV1 PICKUP:
AUX UV1 CURVE:
AUX UV1 DELAY:
<
Vx Pickup
AND RUN
t
V
 
VOLTAGE ELEMENTS
Range: Disabled, Enabled
Range: SRC 1, SRC 2
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 SETTINGS
FLEXLOGIC OPERANDS
AUX UV1 PKP
AUX UV1 DPO
AUX UV1 OP
827849A2.CDR
AUXILIARY OV1
SYSTEM
GE Multilin