GB2073969B - Circuit interrupter apparatus - Google Patents

Circuit interrupter apparatus

Info

Publication number: GB2073969B
Authority: GB; United Kingdom
Prior art keywords: circuit interrupter; interrupter apparatus; circuit; interrupter
Prior art date: 1980-04-15
Legal status (The legal status 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 status listed.): Expired

Application number

GB8111092A

Other versions

GB2073969A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Westinghouse Electric Corp

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.)

1980-04-15

Filing date

1981-04-09

Publication date

1984-09-26

1980-04-15 Priority claimed from US06/140,632 external-priority patent/US4377836A/en

1981-04-09 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1981-10-21 Publication of GB2073969A publication Critical patent/GB2073969A/en

1984-09-26 Application granted granted Critical

1984-09-26 Publication of GB2073969B publication Critical patent/GB2073969B/en

Status Expired legal-status Critical Current

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
- H02H3/08—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
- 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
- H02H3/093—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 with timing means
- H02H3/0935—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 with timing means the timing being determined by numerical means

GB8111092A 1980-04-15 1981-04-09 Circuit interrupter apparatus Expired GB2073969B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US14063180A	1980-04-15	1980-04-15
US06/140,632 US4377836A (en)	1980-04-15	1980-04-15	Circuit interrupter with solid state digital trip unit and positive power-up feature

Publications (2)

Publication Number	Publication Date
GB2073969A GB2073969A (en)	1981-10-21
GB2073969B true GB2073969B (en)	1984-09-26

Family

ID=26838358

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8111092A Expired GB2073969B (en)	1980-04-15	1981-04-09	Circuit interrupter apparatus

Country Status (9)

Country	Link
AU (1)	AU549018B2 (en)
BR (1)	BR8102310A (en)
CH (1)	CH658755A5 (en)
FR (1)	FR2481534B1 (en)
GB (1)	GB2073969B (en)
IE (1)	IE51346B1 (en)
IT (1)	IT1137369B (en)
MX (1)	MX154859A (en)
NZ (1)	NZ196611A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4446498A (en) *	1982-04-05	1984-05-01	Siemens-Allis, Inc.	Electronic control system for overload relay or the like
US4423458A (en)	1982-04-05	1983-12-27	Siemens-Allis, Inc.	Signal processing system for overload relay or the like
US4423459A (en)	1982-04-05	1983-12-27	Siemens-Allis, Inc.	Solid state circuit protection system and method
US4456871A (en) *	1982-04-05	1984-06-26	Siemens-Allis, Inc.	Power supply for electronic control system
US4672501A (en) *	1984-06-29	1987-06-09	General Electric Company	Circuit breaker and protective relay unit
FR2578090B1 (en) *	1985-02-25	1989-12-01	Merlin Gerin	CIRCUIT BREAKER WITH DIGITAL STATIC TRIGGER WITH REVERSE TIME TRIGGERING FUNCTION
FR2578091B1 (en) *	1985-02-25	1988-08-05	Merlin Gerin	CIRCUIT BREAKER WITH DIGITAL STATIC TRIGGER PROVIDED WITH A CALIBRATION CIRCUIT
JPS61207128A (en) *	1985-03-07	1986-09-13	三菱電機株式会社	Anti-time limiting relay
FR2595170B1 (en) *	1986-03-03	1990-03-09	Mors	ELECTRONIC ELECTRIC MOTOR PROTECTION METHOD AND DEVICE FOR IMPLEMENTING IT
US4827369A (en) *	1987-02-20	1989-05-02	Westinghouse Electric Corp.	Circuit interrupter apparatus with a selectable display means
US4752853A (en) *	1987-02-20	1988-06-21	Westinghouse Electric Corp.	Circuit interrupter apparatus with an integral trip curve display
US4809125A (en) *	1987-02-20	1989-02-28	Westinghouse Electric Corp.	Circuit interrupter apparatus with a style saving rating plug
JP2604015B2 (en) *	1988-09-09	1997-04-23	日本碍子株式会社	Distribution line monitoring system
JPH0284014A (en) *	1988-09-20	1990-03-26	Ngk Insulators Ltd	Distribution line monitoring system
JPH0834705B2 (en) *	1988-11-16	1996-03-29	株式会社大林組	Switch
AT399429B (en) *	1989-06-06	1995-05-26	Gec Alsthom T & D Gmbh	ELECTRONIC DEVICE WITH A PLUG UNIT FOR SWITCHING MONITORING OF SWITCHGEAR
US6097192A (en) *	1998-03-05	2000-08-01	General Electric Company	Method for initializing short time and groundfault protection heat index accumulators in a trip unit
US8355230B2 (en)	2003-12-08	2013-01-15	Siemens Industry, Inc.	Extended instantaneous protection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2609654B2 (en) *	1976-03-09	1978-01-05	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	DIGITAL OVERCURRENT RELEASE
FR2412079A1 (en) *	1977-12-13	1979-07-13	Electricite De France	Electrical power distribution network fault detector - has FET switches with low-pass filter providing blocking signals for isolating circuit at multivibrator output
ES468764A1 (en) *	1978-04-13	1979-10-01	Arteche Instr Sistemas	A new delayed action electrical protection device, depending on an adjusted magnitude.
GB2020124B (en) *	1978-04-27	1982-08-25	Tokyo Shibaura Electric Co	Overcurrent protection
JPS55127821A (en) *	1979-03-27	1980-10-03	Tokyo Shibaura Electric Co	Digital protection relay unit
US4339802A (en) *	1979-08-10	1982-07-13	Tokyo Shibaura Denki Kabushiki Kaisha	Digital protective relaying devices
US4319298A (en) *	1979-08-28	1982-03-09	General Electric Company	Motor protection device
EP0047749A1 (en) *	1980-02-23	1982-03-24	George Ellison Limited	Overcurrent protection devices

1981
- 1981-03-24 NZ NZ196611A patent/NZ196611A/en unknown
- 1981-03-25 AU AU68732/81A patent/AU549018B2/en not_active Expired
- 1981-03-31 IE IE731/81A patent/IE51346B1/en not_active IP Right Cessation
- 1981-04-09 GB GB8111092A patent/GB2073969B/en not_active Expired
- 1981-04-14 IT IT21171/81A patent/IT1137369B/en active
- 1981-04-14 MX MX186850A patent/MX154859A/en unknown
- 1981-04-14 CH CH2498/81A patent/CH658755A5/en not_active IP Right Cessation
- 1981-04-14 BR BR8102310A patent/BR8102310A/en not_active IP Right Cessation
- 1981-04-15 FR FR8107623A patent/FR2481534B1/en not_active Expired

Also Published As

Publication number	Publication date
GB2073969A (en)	1981-10-21
CH658755A5 (en)	1986-11-28
IT1137369B (en)	1986-09-10
IT8121171A0 (en)	1981-04-14
MX154859A (en)	1987-12-22
IE810731L (en)	1981-10-15
AU6873281A (en)	1981-10-22
IE51346B1 (en)	1986-12-10
BR8102310A (en)	1981-12-08
NZ196611A (en)	1985-07-31
FR2481534A1 (en)	1981-10-30
AU549018B2 (en)	1986-01-09
FR2481534B1 (en)	1986-12-26

Publication	Publication Date	Title
AU548079B2 (en)	1985-11-21	Circuit interrupter apparatus
GB2084403B (en)	1984-08-22	Circuit breaker
GB2079060B (en)	1984-07-11	Circuit breaker
GB2073969B (en)	1984-09-26	Circuit interrupter apparatus
GB2068642B (en)	1984-11-28	Circuit breakers
JPS56106328A (en)	1981-08-24	Circuit interrupter
DE3169796D1 (en)	1985-05-15	Vacuum-housed circuit interrupter
AU548557B2 (en)	1985-12-19	Circuit interrupter apparatus
JPS56121248A (en)	1981-09-24	Circuit breaker
YU322180A (en)	1983-10-31	Circuit diagram for semilighting interrupters
GB2083707B (en)	1984-04-26	Circuit interrupters
JPS56162444A (en)	1981-12-14	Circuit breaker
GB2080626B (en)	1984-08-08	Circuit interrupters
JPS5699940A (en)	1981-08-11	Circuit breaker
JPS56159033A (en)	1981-12-08	Circuit breaker
JPS56115171A (en)	1981-09-10	Arcing circuit
GB2089574B (en)	1984-12-19	Circuit breaker
JPS56107425A (en)	1981-08-26	Circuit breaker
JPS56162439A (en)	1981-12-14	Circuit breaker
JPS56121249A (en)	1981-09-24	Circuit breaker
JPS5713643A (en)	1982-01-23	Circuit breaker
JPS56152133A (en)	1981-11-25	Circuit breaker
JPS5699939A (en)	1981-08-11	Circuit breaker
JPS56121247A (en)	1981-09-24	Circuit breaker
JPS56114244A (en)	1981-09-08	Circuit breaker

Legal Events

Date	Code	Title	Description
2001-05-02	PE20	Patent expired after termination of 20 years	Effective date: 20010408