ZA811642B - Circuit interrupter with digital trip unit and power supply - Google Patents

Circuit interrupter with digital trip unit and power supply

Info

Publication number
ZA811642B
ZA811642B ZA00811642A ZA811642A ZA811642B ZA 811642 B ZA811642 B ZA 811642B ZA 00811642 A ZA00811642 A ZA 00811642A ZA 811642 A ZA811642 A ZA 811642A ZA 811642 B ZA811642 B ZA 811642B
Authority
ZA
South Africa
Prior art keywords
power supply
circuit interrupter
trip unit
digital trip
digital
Prior art date
Application number
ZA00811642A
Other languages
English (en)
Inventor
Engel Joseph Charles
Joseph Charles Engel
Wafer John Anthony
John Anthony Wafer
Elms Robert Tracy
Robert Tracy Elms
Saletta Gary Francis
Gary Francis Saletta
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA811642B publication Critical patent/ZA811642B/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/06—Arrangements for supplying operative power
    • H02H1/063—Arrangements for supplying operative power primary power being supplied by fault current
    • H02H1/066—Arrangements for supplying operative power primary power being supplied by fault current and comprising a shunt regulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
ZA00811642A 1980-04-15 1981-03-12 Circuit interrupter with digital trip unit and power supply ZA811642B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/140,626 US4331999A (en) 1980-04-15 1980-04-15 Circuit interrupter with digital trip unit and power supply

Publications (1)

Publication Number Publication Date
ZA811642B true ZA811642B (en) 1982-09-29

Family

ID=22492094

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00811642A ZA811642B (en) 1980-04-15 1981-03-12 Circuit interrupter with digital trip unit and power supply

Country Status (15)

Country Link
US (1) US4331999A (fr)
JP (1) JPS5720118A (fr)
AU (1) AU544733B2 (fr)
BR (1) BR8102311A (fr)
CA (1) CA1154527A (fr)
CH (1) CH659731A5 (fr)
DE (1) DE3114549A1 (fr)
FR (1) FR2480521A1 (fr)
GB (1) GB2073975B (fr)
IE (1) IE51281B1 (fr)
IT (1) IT1137367B (fr)
MX (1) MX148571A (fr)
NZ (1) NZ196527A (fr)
PH (1) PH20080A (fr)
ZA (1) ZA811642B (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530024A (en) * 1981-06-23 1985-07-16 The United States Of America As Represented By The Secretary Of The Navy Computer-controlled system for protecting electric circuits
FR2578091B1 (fr) * 1985-02-25 1988-08-05 Merlin Gerin Disjoncteur a declencheur statique numerique dote d'un circuit de calibrage
FR2578090B1 (fr) * 1985-02-25 1989-12-01 Merlin Gerin Disjoncteur a declencheur statique numerise a fonction de declenchement a temps inverse
FR2578092B1 (fr) * 1985-02-25 1987-03-06 Merlin Gerin Disjoncteur a declencheur statique a echantillonnage et blocage a la derniere crete du signal
FR2578112B1 (fr) * 1985-02-25 1988-03-18 Merlin Gerin Disjoncteur a declencheur statique a chaine de traitement numerique shunte par une chaine de traitement analogique
EP0196066B1 (fr) * 1985-03-29 1989-11-29 Mitsubishi Denki Kabushiki Kaisha Relais de protection
JPH0832126B2 (ja) * 1986-01-27 1996-03-27 三菱電機株式会社 回路しや断器の電源装置
US4845594A (en) * 1986-07-01 1989-07-04 Basler Electric Company Reclosing relay with nonvolatile memory of operations
US4794484A (en) * 1987-02-20 1988-12-27 Westinghouse Electric Corp. Circuit interrupter apparatus with a style saving override circuit
US4827369A (en) * 1987-02-20 1989-05-02 Westinghouse Electric Corp. Circuit interrupter apparatus with a selectable display means
US4896254A (en) * 1989-04-28 1990-01-23 Honeywell Inc. Protective power controller
US5136457A (en) * 1989-08-31 1992-08-04 Square D Company Processor controlled circuit breaker trip system having an intelligent rating plug
US5089928A (en) * 1989-08-31 1992-02-18 Square D Company Processor controlled circuit breaker trip system having reliable status display
US5136458A (en) * 1989-08-31 1992-08-04 Square D Company Microcomputer based electronic trip system for circuit breakers
US5038246A (en) * 1989-08-31 1991-08-06 Square D Company Fault powered, processor controlled circuit breaker trip system having reliable tripping operation
JPH0710145B2 (ja) * 1989-10-04 1995-02-01 三菱電機株式会社 過電流保護装置
US5272585A (en) * 1991-06-27 1993-12-21 Gibbs John H System to prevent electrical shorts by a microprocessor breaker box
FR2681989B1 (fr) * 1991-09-26 1993-11-26 Merlin Gerin Declencheur electronique comportant des moyens de communication.
JP2981059B2 (ja) * 1992-09-16 1999-11-22 株式会社日立製作所 回路遮断器
US5428495A (en) * 1992-09-30 1995-06-27 Eaton Corporation Electrical switching apparatus with digital trip unit and automatic frequency selection
US5331501A (en) * 1992-09-30 1994-07-19 Westinghouse Electric Corp. Electrical switching apparatus with digital trip unit and memory reset
US5581433A (en) * 1994-04-22 1996-12-03 Unitrode Corporation Electronic circuit breaker
DE9414333U1 (de) * 1994-09-03 1994-11-03 Abb Patent Gmbh, 68309 Mannheim Leitungsschutzschalter oder Fehlerstromschutzschalter
FR2745432B1 (fr) * 1996-02-22 1998-08-07 Schneider Electric Sa Declencheur electronique comportant un dispositif d'alimentation
KR100317235B1 (ko) * 1999-02-19 2001-12-22 이종훈 트립 회로 감지기
IT1314351B1 (it) * 1999-12-30 2002-12-09 Abb Ricerca Spa Dispositivo elettronico di protezione da una corrente di dispersioneverso terra
AU2005202088A1 (en) * 1999-12-30 2005-06-09 Abb Service S.R.L. An improved electronic earth leakage current device
AU2005202544B2 (en) * 1999-12-30 2007-05-31 Abb Schweiz Ag An improved electronic earth leakage current device
US6909586B2 (en) * 2002-03-19 2005-06-21 General Electric Company Circuit breaker voltage sensing module
US7746617B2 (en) 2006-04-19 2010-06-29 Mitsubishi Electric Corporation Overload relay and operating method thereof
KR100809910B1 (ko) * 2006-07-05 2008-03-06 박기주 디지털 분전반
US9065272B2 (en) * 2013-03-01 2015-06-23 Osram Sylvania Inc. Scalable power supply circuit including protection features
DE102015115284B3 (de) * 2015-09-10 2016-11-24 Hamburg Innovation Gmbh Schutzvorrichtung für eine elektrische Energieversorgungseinrichtung und elektrische Energieversorgungseinrichtung mit einer derartigen Schutzvorrichtung
US10566779B2 (en) * 2016-06-02 2020-02-18 Bombardier Transportation Gmbh External DC overcurrent electronic trip unit for circuit breaker
US10340678B1 (en) 2018-04-23 2019-07-02 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection
US10290448B1 (en) 2018-04-23 2019-05-14 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection
US10522996B2 (en) 2018-04-23 2019-12-31 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection
US10504677B1 (en) 2019-02-21 2019-12-10 Richard W. Sorenson Electronic circuit breaker with physical open-contact construction and fail-safe protection with disabling feature
WO2022204926A1 (fr) * 2021-03-30 2022-10-06 深圳市艾比森光电股份有限公司 Procédé et appareil de protection d'écran d'affichage à del, et support d'enregistrement informatique

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116439A (en) * 1960-10-27 1963-12-31 Mc Graw Edison Co Repeating circuit interrupter and battery charging circuit used therewith
GB1102552A (en) 1964-09-16 1968-02-07 English Electric Co Ltd Power supply circuit for electrical protective relays
GB1216339A (en) 1967-04-25 1970-12-16 Ass Elect Ind Improvements relating to circuits for controlling the tripping of a circuit breaker
GB1236837A (en) 1969-02-18 1971-06-23 English Electric Co Ltd Protective relay power supply
SE350882B (fr) 1969-12-19 1972-11-06 Asea Ab
US3818275A (en) * 1973-01-30 1974-06-18 Westinghouse Electric Corp Circuit interrupter including improved trip circuit using current transformers
US3956670A (en) * 1973-01-30 1976-05-11 Westinghouse Electric Corporation Circuit interrupter circuit including improved control
CH558098A (de) * 1973-11-27 1975-01-15 Sprecher & Schuh Ag Schaltungsanordnung zur speisung elektronischer schutzrelais.
US3959695A (en) * 1975-04-29 1976-05-25 Westinghouse Electric Corporation Circuit interrupter with ground fault trip control
DE2704820A1 (de) * 1977-02-05 1978-08-17 Eller Vertriebs Ingbuero Ueberlastschutzschaltung fuer elektrische motoren
JPS54146867U (fr) * 1978-04-05 1979-10-12
US4234920A (en) * 1978-11-24 1980-11-18 Engineered Systems, Inc. Power failure detection and restart system

Also Published As

Publication number Publication date
DE3114549A1 (de) 1982-06-03
JPS5720118A (en) 1982-02-02
FR2480521B1 (fr) 1984-12-21
GB2073975B (en) 1984-02-15
BR8102311A (pt) 1981-12-08
IE51281B1 (en) 1986-11-26
MX148571A (es) 1983-05-10
DE3114549C2 (fr) 1992-09-10
AU6834381A (en) 1981-10-22
CH659731A5 (de) 1987-02-13
JPH0363297B2 (fr) 1991-09-30
CA1154527A (fr) 1983-09-27
US4331999A (en) 1982-05-25
IE810565L (en) 1981-10-15
PH20080A (en) 1986-09-18
AU544733B2 (en) 1985-06-13
IT8121168A0 (it) 1981-04-14
IT1137367B (it) 1986-09-10
GB2073975A (en) 1981-10-21
NZ196527A (en) 1985-02-28
FR2480521A1 (fr) 1981-10-16

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