AU6873281A - Circuit interrupter apparatus - Google Patents

Circuit interrupter apparatus

Info

Publication number
AU6873281A
AU6873281A AU68732/81A AU6873281A AU6873281A AU 6873281 A AU6873281 A AU 6873281A AU 68732/81 A AU68732/81 A AU 68732/81A AU 6873281 A AU6873281 A AU 6873281A AU 6873281 A AU6873281 A AU 6873281A
Authority
AU
Australia
Prior art keywords
circuit interrupter
interrupter apparatus
circuit
interrupter
Prior art date
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.)
Granted
Application number
AU68732/81A
Other versions
AU549018B2 (en
Inventor
Robert Tracy Elms
Joseph Charles Engel
Bernard Joseph Mercier
Gary Francis Saletta
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.)
CBS 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.)
Filing date
Publication date
Priority claimed from US06/140,632 external-priority patent/US4377836A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of AU6873281A publication Critical patent/AU6873281A/en
Application granted granted Critical
Publication of AU549018B2 publication Critical patent/AU549018B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

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
    • H02H3/08—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
AU68732/81A 1980-04-15 1981-03-25 Circuit interrupter apparatus Expired AU549018B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US14063180A 1980-04-15 1980-04-15
US140631 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
US140632 1988-01-04

Publications (2)

Publication Number Publication Date
AU6873281A true AU6873281A (en) 1981-10-22
AU549018B2 AU549018B2 (en) 1986-01-09

Family

ID=26838358

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68732/81A Expired AU549018B2 (en) 1980-04-15 1981-03-25 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU603946B2 (en) * 1988-09-20 1990-11-29 Ngk Insulators, Ltd. Supervising system for distribution lines
AU604412B2 (en) * 1988-09-09 1990-12-13 Ngk Insulators, Ltd. Supervising system for distribution lines

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423458A (en) 1982-04-05 1983-12-27 Siemens-Allis, Inc. Signal processing system for overload relay or the like
US4456871A (en) * 1982-04-05 1984-06-26 Siemens-Allis, Inc. Power supply for electronic control system
US4446498A (en) * 1982-04-05 1984-05-01 Siemens-Allis, Inc. Electronic control 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
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
US4809125A (en) * 1987-02-20 1989-02-28 Westinghouse Electric Corp. Circuit interrupter apparatus with a style saving rating plug
US4752853A (en) * 1987-02-20 1988-06-21 Westinghouse Electric Corp. Circuit interrupter apparatus with an integral trip curve display
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
WO1981002496A1 (en) * 1980-02-23 1981-09-03 Ellison George Ltd Overcurrent protection devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU604412B2 (en) * 1988-09-09 1990-12-13 Ngk Insulators, Ltd. Supervising system for distribution lines
AU603946B2 (en) * 1988-09-20 1990-11-29 Ngk Insulators, Ltd. Supervising system for distribution lines

Also Published As

Publication number Publication date
GB2073969A (en) 1981-10-21
BR8102310A (en) 1981-12-08
IT8121171A0 (en) 1981-04-14
FR2481534A1 (en) 1981-10-30
FR2481534B1 (en) 1986-12-26
GB2073969B (en) 1984-09-26
IE810731L (en) 1981-10-15
IT1137369B (en) 1986-09-10
IE51346B1 (en) 1986-12-10
AU549018B2 (en) 1986-01-09
NZ196611A (en) 1985-07-31
CH658755A5 (en) 1986-11-28
MX154859A (en) 1987-12-22

Similar Documents

Publication Publication Date Title
AU548079B2 (en) Circuit interrupter apparatus
AU7520981A (en) Circuit breaker
AU569271B2 (en) Circuit interrupter
AU4574279A (en) Switching apparatus including circuit breaker
AU549018B2 (en) Circuit interrupter apparatus
GB2079060B (en) Circuit breaker
GB2068642B (en) Circuit breakers
AU537246B2 (en) Electrical circuit apparatus
AU524158B2 (en) Synchronizing circuit
AU1854583A (en) Keyswitch apparatus
JPS56106328A (en) Circuit interrupter
AU548557B2 (en) Circuit interrupter apparatus
JPS57109311A (en) Electronic interrupter
DE3169796D1 (en) Vacuum-housed circuit interrupter
AU541116B2 (en) Switch circuit
DE3168451D1 (en) Vacuum circuit interrupter
YU322180A (en) Circuit diagram for semilighting interrupters
AU542438B2 (en) Electrical switch
AU539754B2 (en) Circuit arrangements
GB2080626B (en) Circuit interrupters
AU530879B2 (en) Phase descriminator circuit
AU535584B2 (en) Circuit interrupter
JPS56115171A (en) Arcing circuit
AU559844B2 (en) Electrical switching device
GB2089574B (en) Circuit breaker

Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired