ZA906490B - Overcurrent protection apparatus - Google Patents

Overcurrent protection apparatus

Info

Publication number
ZA906490B
ZA906490B ZA906490A ZA906490A ZA906490B ZA 906490 B ZA906490 B ZA 906490B ZA 906490 A ZA906490 A ZA 906490A ZA 906490 A ZA906490 A ZA 906490A ZA 906490 B ZA906490 B ZA 906490B
Authority
ZA
South Africa
Prior art keywords
overcurrent protection
protection apparatus
overcurrent
protection
Prior art date
Application number
ZA906490A
Other languages
English (en)
Inventor
Kazuhiro Ishii
Ishii Kazuhiro
Kouji Hirotsune
Hirotsune Kouji
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of ZA906490B publication Critical patent/ZA906490B/xx

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
    • 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)
ZA906490A 1989-10-04 1990-08-16 Overcurrent protection apparatus ZA906490B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1257876A JPH0710145B2 (ja) 1989-10-04 1989-10-04 過電流保護装置

Publications (1)

Publication Number Publication Date
ZA906490B true ZA906490B (en) 1991-06-26

Family

ID=17312410

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA906490A ZA906490B (en) 1989-10-04 1990-08-16 Overcurrent protection apparatus

Country Status (6)

Country Link
US (1) US5124875A (de)
EP (2) EP0687050A3 (de)
JP (1) JPH0710145B2 (de)
KR (1) KR910008905A (de)
DE (1) DE69028171T2 (de)
ZA (1) ZA906490B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2699016B1 (fr) * 1992-12-04 1995-01-06 Simplex Appareils Ensemble d'alimentation auxiliaire pour poste électrique.
DE19641183C2 (de) * 1996-09-24 1998-08-20 Siemens Ag Schaltungsanordnung zur Stromerfassung eines Stromleiters zur Ansteuerung elektronisch steuerbarer Auslöseeinrichtungen
DE19641185C2 (de) * 1996-09-24 1998-07-23 Siemens Ag Schaltungsanordnung zur Stromerfassung in Stromleitern zur Ansteuerung elektronisch steuerbarer Auslöseeinrichtungen
DE19641187C2 (de) * 1996-09-24 1998-07-23 Siemens Ag Schaltungsanordnung zur Energieversorgung von elektronischen Auslöseeinrichtungen
DE19738696A1 (de) * 1997-08-29 1999-03-04 Siemens Ag Schaltungsanordnung zur Speisung eines Auslösemagneten eines Leistungsschalters
JP2003050637A (ja) * 2001-08-07 2003-02-21 Mitsubishi Electric Corp 電源装置
US6813124B1 (en) 2002-06-21 2004-11-02 Lionel L.L.C. Transformer over-current protection with RMS sensing and voltage fold-back
AU2002950581A0 (en) * 2002-08-02 2002-09-12 Wayne Callen Electrical safety circuit
US7561396B2 (en) * 2004-03-09 2009-07-14 Samsung Measuring Instruments Co., LTD Apparatus for monitoring open state of the secondary terminals of a current transformer
DE102005031833B4 (de) * 2005-07-06 2017-01-05 Phoenix Contact Gmbh & Co. Kg Verfahren und elektronische Stromversorgungsvorrichtung zur Energieversorgung einer durch eine Schutzeinrichtung gesicherten Niederspannungslast
US7354292B1 (en) * 2006-06-30 2008-04-08 Molex Incorporated Low profile latching connector and pull tab for unlatching same
US7869170B2 (en) * 2006-07-14 2011-01-11 Susan Jean Walker Colsch Method and system for time synchronized trip algorithms for breaker self protection
US7550939B2 (en) * 2006-07-14 2009-06-23 William Davison Redundant instantaneous trip detection
US7859802B2 (en) * 2006-07-14 2010-12-28 William Davison Burden resistor temperature compensation algorithm
US8154373B2 (en) * 2006-07-14 2012-04-10 Schneider Electric USA, Inc. Circuit breaker-like apparatus with combination current transformer
US7683586B2 (en) * 2006-07-14 2010-03-23 Davison William C Method and system of fault powered supply voltage regulation
US7592888B2 (en) * 2006-07-14 2009-09-22 Jason Robert Colsch Low cost user adjustment, resistance to straying between positions, increased resistance to ESD, and consistent feel
US7791849B2 (en) * 2006-07-14 2010-09-07 William Davison Redundant trip activation
US7788055B2 (en) 2006-07-14 2010-08-31 Square D Company Method and system of calibrating sensing components in a circuit breaker system
US7869169B2 (en) * 2006-07-14 2011-01-11 William Davison Method and system of current transformer output magnitude compensation in a circuit breaker system
US7697250B2 (en) * 2006-07-14 2010-04-13 William Davison Switch-to-trip point translation
CN106026656B (zh) * 2016-07-08 2019-01-25 上海电科电器科技有限公司 迟滞型电源电路
CN107528291A (zh) * 2017-09-28 2017-12-29 苏州威利仕塑胶电子有限公司 一种过欠电流控制器
US10811185B2 (en) 2018-09-13 2020-10-20 Analog Devices Global Unlimited Company Saturation prevention of current transformer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2052906B2 (de) * 1969-06-20 1975-08-22 Comp Generale Electricite
US3846675A (en) * 1973-01-30 1974-11-05 Westinghouse Electric Corp Molded case circuit breakers utilizing saturating current transformers
US3818275A (en) * 1973-01-30 1974-06-18 Westinghouse Electric Corp Circuit interrupter including improved trip circuit using current transformers
CH558098A (de) * 1973-11-27 1975-01-15 Sprecher & Schuh Ag Schaltungsanordnung zur speisung elektronischer schutzrelais.
US4351012A (en) * 1980-04-15 1982-09-21 Westinghouse Electric Corp. Circuit interrupter with digital trip unit and means to enter trip settings
US4331999A (en) * 1980-04-15 1982-05-25 Westinghouse Electric Corp. Circuit interrupter with digital trip unit and power supply
US4567540A (en) * 1983-06-22 1986-01-28 S&C Electric Company Power supply for a circuit interrupter
US4603336A (en) * 1984-04-25 1986-07-29 Harris Graphics Corporation Transfer mechanism for multiple station imaging/printing apparatus

Also Published As

Publication number Publication date
EP0421204A3 (en) 1992-04-08
DE69028171D1 (de) 1996-09-26
JPH03124215A (ja) 1991-05-27
EP0687050A2 (de) 1995-12-13
US5124875A (en) 1992-06-23
KR910008905A (ko) 1991-05-31
EP0421204B1 (de) 1996-08-21
JPH0710145B2 (ja) 1995-02-01
EP0687050A3 (de) 1996-05-22
EP0421204A2 (de) 1991-04-10
DE69028171T2 (de) 1997-01-23

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