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BR8805086A - Sistema de deteccao de falha de terra e sistema de deteccao de falha de terra para sistema eletrico trifasico - Google Patents

Sistema de deteccao de falha de terra e sistema de deteccao de falha de terra para sistema eletrico trifasico

Info

Publication number
BR8805086A
BR8805086A BR8805086A BR8805086A BR8805086A BR 8805086 A BR8805086 A BR 8805086A BR 8805086 A BR8805086 A BR 8805086A BR 8805086 A BR8805086 A BR 8805086A BR 8805086 A BR8805086 A BR 8805086A
Authority
BR
Brazil
Prior art keywords
failure detection
detection system
earth failure
phase electric
earth
Prior art date
Application number
BR8805086A
Other languages
English (en)
Inventor
Henry J Zylstra
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Publication of BR8805086A publication Critical patent/BR8805086A/pt

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16Emergency 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency 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
    • H02H3/32Emergency 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
    • H02H3/33Emergency 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency 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
    • H02H3/10Emergency 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
    • H02H3/105Emergency 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)
BR8805086A 1987-01-30 1988-01-29 Sistema de deteccao de falha de terra e sistema de deteccao de falha de terra para sistema eletrico trifasico BR8805086A (pt)

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
BR8805086A true BR8805086A (pt) 1989-08-15

Family

ID=21737530

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8805086A BR8805086A (pt) 1987-01-30 1988-01-29 Sistema de deteccao de falha de terra e sistema de deteccao de falha de terra para sistema eletrico trifasico

Country Status (8)

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

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 (pt) * 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
EP0311649A4 (en) 1990-09-05
EP0311649B1 (en) 1993-11-18
JPH01502074A (ja) 1989-07-13
WO1988005973A1 (en) 1988-08-11
JP2680871B2 (ja) 1997-11-19
CA1303717C (en) 1992-06-16
DE3885703D1 (de) 1993-12-23
AU1368588A (en) 1988-08-24
KR890700949A (ko) 1989-04-28
EP0311649A1 (en) 1989-04-19
DE3885703T2 (de) 1994-05-19

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