GE Multilin
G60 Generator Protection System
5-229
5 SETTINGS
5.6 GROUPED ELEMENTS
5
g) AUXILIARY OVERVOLTAGE
(ANSI 59X, IEC PTOV)
PATH: SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
VOLTAGE ELEMENTS
AUXILIARY OV1(2)
The G60 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.
In the G60, this element is used to detect stator ground faults by measuring the voltage across the neutral resistor.
Figure 5–117: AUXILIARY OVERVOLTAGE SCHEME LOGIC
AUXILIARY OV1
AUX OV1
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
AUX OV1 SIGNAL
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4
MESSAGE
AUX OV1 PICKUP:
0.300 pu
Range: 0.000 to 3.000 pu in steps of 0.001
MESSAGE
AUX OV1 PICKUP
DELAY: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
AUX OV1 RESET
DELAY: 1.00 s
Range: 0.00 to 600.00 s in steps of 0.01
MESSAGE
AUX OV1 BLOCK:
Off
Range: FlexLogic operand
MESSAGE
AUX OV1 TARGET:
Self-reset
Range: Self-reset, Latched, Disabled
MESSAGE
AUX OV1 EVENTS:
Disabled
Range: Disabled, Enabled
827836A3.CDR
FLEXLOGIC OPERANDS
AUX OV1
FUNCTION:
AUX OV1 BLOCK:
AUX OV1 SIGNAL
SOURCE:
AUX OV1 PICKUP:
AUX OV1 DPO
AUX OV1 OP
AUX OV1 PKP
RUN
AND
SETTING
SETTING
AUX OV1 RESET
DELAY :
AUX OV1 PICKUP
DELAY :
SETTING
Enabled=1
t
PKP
t
RST
SETTING
SETTING
Off=0
AUXILIARY VOLT (Vx)
Vx Pickup
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Summary of Contents for Multilin g60
Page 10: ...x G60 Generator Protection System GE Multilin TABLE OF CONTENTS INDEX ...
Page 32: ...1 22 G60 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 160: ...4 30 G60 Generator Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Page 486: ...5 326 G60 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 518: ...6 32 G60 Generator Protection System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Page 532: ...7 14 G60 Generator Protection System GE Multilin 7 2 TARGETS 7 COMMANDS AND TARGETS 7 ...
Page 748: ...D 10 G60 Generator Protection System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Page 760: ...E 12 G60 Generator Protection System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...