5-306
D60 Line Distance Protection System
GE Multilin
5.7 CONTROL ELEMENTS
5 SETTINGS
5
d) BREAKER RESTRIKE
PATH: SETTINGS
CONTROL ELEMENTS
MONITORING ELEMENTS
BREAKER RESTRIKE 1(2)
According to IEEE standard C37.100:
IEEE Standard Definitions for Power Switchgear
, restrike is defined as “a resumption
of current between the contacts of a switching device during an opening operation after an interval of zero current of
¼ cycle at normal frequency or longer”.
Figure 5–156: TYPICAL RESTRIKE WAVEFORM AND DETECTION FLAG
The breaker restrike algorithm responds to a successful interruption of the phase current following a declaration of capaci-
tor bank offline as per the breaker pole indication. If a high-frequency current with a magnitude greater than the threshold is
resumed at least ¼ of a cycle later than the phase current interruption, then a breaker restrike condition is declared in the
corresponding phase and the
BRK RESTRIKE 1 OP
operand is asserted for a short period of time. The user can add coun-
ters and other logic to facilitate the decision making process as to the appropriate actions upon detecting a single restrike or
a series of consecutive restrikes.
A restrike event (FlexLogic operand) is declared if all of the following hold:
•
The current is initially interrupted.
BREAKER RESTRIKE 1
BREAKER RESTRIKE 1
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
BKR RSTR 1 BLOCK:
Off
Range: FlexLogic operand
MESSAGE
BREAKER RESTRIKE 1
SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4
MESSAGE
BREAKER RESTRIKE 1
PICKUP: 0.500 pu
Range: 0.10 to 2.00 pu in steps of 0.01
MESSAGE
BREAKER RESTRIKE 1
RESET DELAY: 0.100 s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
BKR RSTR 1 BKR OPEN:
Off
Range: FlexLogic operand
MESSAGE
BKR RSTR 1 OPEN CMD:
Off
Range: FlexLogic operand
MESSAGE
BKR RSTR 1 CLS CMD:
Off
Range: FlexLogic operand
MESSAGE
BREAKER RESTRIKE 1
TARGET: Self-reset
Range: Self-reset, Latched, Disabled
MESSAGE
BREAKER RESTRIKE 1
EVENTS: Disabled
Range: Disabled, Enabled
0
2
4
6
8
10
–2
–4
–6
–8
–10
0.01
0.02
0.03
0.05
time (ms)
curr
ent
(amps)
OPERATE
834764A1.CDR
Содержание D60
Страница 61: ...GE Multilin D60 Line Distance Protection System 2 31 2 PRODUCT DESCRIPTION 2 3 SPECIFICATIONS 2 ...
Страница 62: ...2 32 D60 Line Distance Protection System GE Multilin 2 3 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Страница 102: ...3 40 D60 Line Distance Protection System GE Multilin 3 3 DIRECT INPUT AND OUTPUT COMMUNICATIONS 3 HARDWARE 3 ...
Страница 134: ...4 32 D60 Line Distance Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 508: ...5 374 D60 Line Distance Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 538: ...6 30 D60 Line Distance Protection System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Страница 610: ...10 8 D60 Line Distance Protection System GE Multilin 10 2 BATTERIES 10 MAINTENANCE 10 ...
Страница 622: ...A 12 D60 Line Distance Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 745: ...GE Multilin D60 Line Distance Protection System B 123 APPENDIX B B 4 MEMORY MAPPING B ...
Страница 746: ...B 124 D60 Line Distance Protection System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 776: ...C 30 D60 Line Distance Protection System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Страница 792: ...E 10 D60 Line Distance Protection System GE Multilin E 1 IEC 60870 5 104 PROTOCOL APPENDIX E E ...
Страница 804: ...F 12 D60 Line Distance Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Страница 826: ...xii D60 Line Distance Protection System GE Multilin INDEX ...