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CHAPTER 5: SETTINGS
CONTROL ELEMENTS
B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
5-245
5
5.8.7.3 Breaker flashover
SETTINGS
CONTROL ELEMENTS
MONITORING ELEMENTS
BREAKER FLASHOVER 1(2)
The detection of the breaker flashover is based on the following conditions:
•
Breaker open,
•
Voltage difference drop, and
•
Measured flashover current through the breaker
Furthermore, the scheme is applicable for cases where either one or two sets of three-phase voltages are available across
the breaker.
Three VT breaker flashover application
When only one set of VTs is available across the breaker, set the
BRK 1 FLSHOVR SIDE 2 SRC
setting to “None.” To detect an
open breaker condition in this application, the scheme checks if the per-phase voltages were recovered (picked up), the
status of the breaker is open (contact input indicating the breaker status is off), and no flashover current is flowing. A
contact showing the breaker status must be provided to the relay. The voltage difference is not considered as a condition
for open breaker in this part of the logic.
BREAKER
FLASHOVER 1
BKR 1 FLSHOVR
FUNCTION: Disabled
Range: Disabled, Enabled
BKR 1 FLSHOVR SIDE 1
SRC: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
BKR 1 FLSHOVR SIDE 2
SRC: None
Range: None, SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC
6
BKR 1 STATUS CLSD A:
Off
Range: FlexLogic operand
BKR 1 STATUS CLSD C:
Off
Range: FlexLogic operand
BKR 1 FLSHOVR V PKP:
0.850 pu
Range: 0.004 to 1.500 pu in steps of 0.001
BKR 1 FLSHOVR DIFF V
PKP: 1000 V
Range: 0 to 100000 V in steps of 1
BKR 1 FLSHOVR AMP
PKP: 0.600 pu
Range: 0.020 to 1.500 pu in steps of 0.001
BKR 1 FLSHOVR PKP
DELAY: 0.100 s
Range: 0.000 to 65.535 s in steps of 0.001
BKR 1 FLSHOVR SPV A:
Off
Range: FlexLogic operand
BKR 1 FLSHOVR SPV C:
Off
Range: FlexLogic operand
BKR 1 FLSHOVR BLOCK:
Off
Range: FlexLogic operand
BKR 1 FLSHOVR
TARGET: Self-reset
Range: Self-reset, Latched, Disabled
BKR 1 FLSHOVR
EVENTS: Disabled
Range: Disabled, Enabled
Содержание b30
Страница 10: ...x B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL TABLE OF CONTENTS ...
Страница 14: ...1 4 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL FOR FURTHER ASSISTANCE CHAPTER 1 INTRODUCTION 1 ...
Страница 50: ...2 36 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL SPECIFICATIONS CHAPTER 2 PRODUCT DESCRIPTION 2 ...
Страница 208: ...4 86 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL FLEXLOGIC DESIGN USING ENGINEER CHAPTER 4 INTERFACES 4 ...
Страница 441: ...CHAPTER 5 SETTINGS CONTROL ELEMENTS B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL 5 233 5 Figure 5 123 Time out mode ...
Страница 486: ...5 278 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 5 SETTINGS 5 ...
Страница 514: ...6 28 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL PRODUCT INFORMATION CHAPTER 6 ACTUAL VALUES 6 ...
Страница 528: ...7 14 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL TARGETS MENU CHAPTER 7 COMMANDS AND TARGETS 7 ...
Страница 554: ...9 14 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL OUTPUT LOGIC AND EXAMPLES CHAPTER 9 THEORY OF OPERATION 9 ...
Страница 600: ...A 16 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL FLEXANALOG ITEMS APPENDIX A FLEXANALOG OPERANDS A ...
Страница 608: ...C 6 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL COMMAND LINE INTERFACE APPENDIX C COMMAND LINE INTERFACE C ...
Страница 616: ...iv B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL ABBREVIATIONS ...
Страница 632: ...xvi B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL INDEX ...