KR890700949A - 접지사고 검출 시스템 - Google Patents

접지사고 검출 시스템

Info

Publication number
KR890700949A
KR890700949A KR1019880701223A KR880701223A KR890700949A KR 890700949 A KR890700949 A KR 890700949A KR 1019880701223 A KR1019880701223 A KR 1019880701223A KR 880701223 A KR880701223 A KR 880701223A KR 890700949 A KR890700949 A KR 890700949A
Authority
KR
South Korea
Prior art keywords
detection system
accident detection
ground accident
ground
detection
Prior art date
Application number
KR1019880701223A
Other languages
English (en)
Inventor
제이. 질스트라 헨리
Original Assignee
스퀘어 디 캄파니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 스퀘어 디 캄파니 filed Critical 스퀘어 디 캄파니
Publication of KR890700949A publication Critical patent/KR890700949A/ko

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
    • H02H3/105—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
KR1019880701223A 1987-01-30 1988-09-30 접지사고 검출 시스템 KR890700949A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US941887A 1987-01-30 1987-01-30
PCT/US1988/000277 WO1988005973A1 (en) 1987-01-30 1988-01-29 Add-on ground fault module

Publications (1)

Publication Number Publication Date
KR890700949A true KR890700949A (ko) 1989-04-28

Family

ID=21737530

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880701223A KR890700949A (ko) 1987-01-30 1988-09-30 접지사고 검출 시스템

Country Status (8)

Country Link
EP (1) EP0311649B1 (ko)
JP (1) JP2680871B2 (ko)
KR (1) KR890700949A (ko)
AU (1) AU1368588A (ko)
BR (1) BR8805086A (ko)
CA (1) CA1303717C (ko)
DE (1) DE3885703T2 (ko)
WO (1) WO1988005973A1 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136458A (en) * 1989-08-31 1992-08-04 Square D Company Microcomputer based electronic trip system for circuit breakers
AU628379B2 (en) * 1989-09-14 1992-09-17 Marks, Philip Louis Cable earth fault indicator
CA2050223C (en) * 1990-09-27 1995-10-10 Richard W. Waltz Overload current protection apparatus
DE4121610C2 (de) * 1991-06-29 1993-10-14 Kloeckner Moeller Gmbh Auslöse- und Meldeeinrichtung für ein Zusatzmodul, insbesondere zur Erdschlußerfassung
DE19757330A1 (de) * 1997-12-22 1999-06-24 Siemens Ag Zusatzeinrichtung für Schutzeinrichtungen, insbesondere für Fehlerstrom- bzw. Differenzstromschutzeinrichtungen
US6002563A (en) * 1998-09-03 1999-12-14 Electronic Theatre Controls, Inc. Plug-in power module incorporating ground-fault detection and reporting

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046161B (de) * 1956-09-07 1958-12-11 Siemens Ag Schalter zur UEberwachung von Netzen gegen Fehlerstrom
BE627217A (ko) * 1962-01-26
GB1152793A (en) * 1966-03-11 1969-05-21 Fuchs Electrical Ind Proprieta Improvements in and relating to Earth Leakage Protection Devices
US4258403A (en) * 1979-05-31 1981-03-24 Westinghouse Electric Corp. Ground fault circuit interrupter
US4316229A (en) * 1979-07-16 1982-02-16 Avtec Industries, Inc. Electric current detector circuit
FR2479556A1 (fr) * 1980-03-31 1981-10-02 Merlin Gerin Declencheur statique perfectionne pour disjoncteur electrique
DE3537040A1 (de) * 1985-10-17 1987-04-23 Siemens Ag Schutzschaltungseinrichtung, die auf fehlerstroeme anspricht

Also Published As

Publication number Publication date
JPH01502074A (ja) 1989-07-13
DE3885703T2 (de) 1994-05-19
EP0311649B1 (en) 1993-11-18
JP2680871B2 (ja) 1997-11-19
EP0311649A1 (en) 1989-04-19
WO1988005973A1 (en) 1988-08-11
BR8805086A (pt) 1989-08-15
AU1368588A (en) 1988-08-24
CA1303717C (en) 1992-06-16
DE3885703D1 (de) 1993-12-23
EP0311649A4 (en) 1990-09-05

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Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid