GE Multilin
C60 Breaker Protection System
5-185
5 SETTINGS
5.6 GROUPED ELEMENTS
5
In general, a breaker failure scheme determines that a breaker signaled to trip has not cleared a fault within a definite time,
so further tripping action must be performed. Tripping from the breaker failure scheme should trip all breakers, both local
and remote, that can supply current to the faulted zone. Usually operation of a breaker failure element will cause clearing of
a larger section of the power system than the initial trip. Because breaker failure can result in tripping a large number of
breakers and this affects system safety and stability, a very high level of security is required.
Two schemes are provided: one for three-pole tripping only (identified by the name “3BF”) and one for three pole plus sin-
gle-pole operation (identified by the name “1BF”). The philosophy used in these schemes is identical. The operation of a
breaker failure element includes three stages: initiation, determination of a breaker failure condition, and output.
MESSAGE
BF1 TIMER 3 PICKUP
DELAY: 0.000 s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
BF1 BKR POS1
φ
A/3P:
Off
Range: FlexLogic operand
MESSAGE
BF1 BKR POS2
φ
A/3P:
Off
Range: FlexLogic operand
MESSAGE
BF1 BREAKER TEST ON:
Off
Range: FlexLogic operand
MESSAGE
BF1 PH AMP HISET
PICKUP: 1.050 pu
Range: 0.001 to 30.000 pu in steps of 0.001
MESSAGE
BF1 N AMP HISET
PICKUP: 1.050 pu
Range: 0.001 to 30.000 pu in steps of 0.001
MESSAGE
BF1 PH AMP LOSET
PICKUP: 1.050 pu
Range: 0.001 to 30.000 pu in steps of 0.001
MESSAGE
BF1 N AMP LOSET
PICKUP: 1.050 pu
Range: 0.001 to 30.000 pu in steps of 0.001
MESSAGE
BF1 LOSET TIME
DELAY: 0.000
s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
BF1 TRIP DROPOUT
DELAY: 0.000
s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
BF1 TARGET
Self-Reset
Range: Self-reset, Latched, Disabled
MESSAGE
BF1 EVENTS
Disabled
Range: Disabled, Enabled
MESSAGE
BF1 PH A INITIATE:
Off
Range: FlexLogic operand
Valid only for 1-Pole breaker failure schemes.
MESSAGE
BF1 PH B INITIATE:
Off
Range: FlexLogic operand
Valid only for 1-Pole breaker failure schemes.
MESSAGE
BF1 PH C INITIATE:
Off
Range: FlexLogic operand
Valid only for 1-Pole breaker failure schemes.
MESSAGE
BF1 BKR POS1
φ
B
Off
Range: FlexLogic operand
Valid only for 1-Pole breaker failure schemes.
MESSAGE
BF1 BKR POS1
φ
C
Off
Range: FlexLogic operand
Valid only for 1-Pole breaker failure schemes.
MESSAGE
BF1 BKR POS2
φ
B
Off
Range: FlexLogic operand
Valid only for 1-Pole breaker failure schemes.
MESSAGE
BF1 BKR POS2
φ
C
Off
Range: FlexLogic operand
Valid only for 1-Pole breaker failure schemes.
Summary of Contents for C60
Page 10: ...x C60 Breaker Protection System GE Multilin TABLE OF CONTENTS ...
Page 30: ...1 20 C60 Breaker Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 420: ...5 284 C60 Breaker Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 466: ...8 4 C60 Breaker Protection System GE Multilin 8 1 FAULT LOCATOR 8 THEORY OF OPERATION 8 ...
Page 478: ...9 12 C60 Breaker Protection System GE Multilin 9 6 DISPOSAL 9 MAINTENANCE 9 ...
Page 492: ...A 14 C60 Breaker Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 648: ...E 10 C60 Breaker Protection System GE Multilin E 1 OVERVIEW APPENDIX E E ...
Page 660: ...F 12 C60 Breaker Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Page 670: ...H 8 C60 Breaker Protection System GE Multilin H 2 ABBREVIATIONS APPENDIX H H Z Impedance Zone ...
Page 672: ...H 10 C60 Breaker Protection System GE Multilin H 3 WARRANTY APPENDIX H H ...
Page 682: ...x C60 Breaker Protection System GE Multilin INDEX ...