FR2448243A1 - Circuit pour la protection automatique de transistors de puissance, particulierement pour convertisseurs a commutation ou similaires - Google Patents

Circuit pour la protection automatique de transistors de puissance, particulierement pour convertisseurs a commutation ou similaires

Info

Publication number
FR2448243A1
FR2448243A1 FR8001426A FR8001426A FR2448243A1 FR 2448243 A1 FR2448243 A1 FR 2448243A1 FR 8001426 A FR8001426 A FR 8001426A FR 8001426 A FR8001426 A FR 8001426A FR 2448243 A1 FR2448243 A1 FR 2448243A1
Authority
FR
France
Prior art keywords
signal
positive
transistor
designed
switched
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
FR8001426A
Other languages
English (en)
Other versions
FR2448243B1 (fr
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.)
SP EL Srl
Original Assignee
SP EL Srl
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 SP EL Srl filed Critical SP EL Srl
Publication of FR2448243A1 publication Critical patent/FR2448243A1/fr
Application granted granted Critical
Publication of FR2448243B1 publication Critical patent/FR2448243B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Inverter Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Transmitters (AREA)
  • Amplifiers (AREA)

Abstract

LE CIRCUIT DE PROTECTION DU TRANSISTOR COMPREND: A.LES TRANSISTORS DU CIRCUIT DE PUISSANCE OI A PROTEGER A; B.UN CAPTEUR DE SEUIL DE TENSION B CONCU POUR DETECTER LA TENSION MINIMALE ENTRE COLLECTEUR ET EMETTEUR VCE; C.UNE PORTE ETC PREVUE ENTRE LE SIGNAL DE PILOTAGE DE LA BASE DU TRANSISTOR V1 ET LE SIGNAL DE SORTIE V2 DU CAPTEUR DE SEUIL ET CONCUE DE TELLE SORTE QUE SI LES DEUX SIGNAUX SONT POSITIFS, IL SORT DE LA PORTE ET UN SIGNAL POSITIF DE PROTECTION V3; D.UNE UNITE DE MEMOIRE E DONT LA SORTIE V5 EST NORMALEMENT BASSE MAIS DEVIENT POSITIVE ET SE MAINTIENT AUTOMATIQUEMENT EN PRESENCE D'UN SIGNAL POSITIF, MEME TRANSITOIRE V4, EMIS PAR L'ORGANE DE RETARD D; E.UN OSCILLATEUR F CONCU POUR PILOTER AVEC LE SIGNAL V1 LA BASE DU TRANSISTOR DE PUISSANCE A ET QUI SE BLOQUE LORSQUE LE SIGNAL V5 DE L'UNITE DE MEMOIRE E DEVIENT POSITIF, COUPANT AINSI LE TRANSISTOR.
FR8001426A 1979-01-30 1980-01-23 Circuit pour la protection automatique de transistors de puissance, particulierement pour convertisseurs a commutation ou similaires Granted FR2448243A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19751/79A IT1110628B (it) 1979-01-30 1979-01-30 Circuito per la protezione automatica dei transistori di potenza particolarmente per convertitori a commutazione o simili

Publications (2)

Publication Number Publication Date
FR2448243A1 true FR2448243A1 (fr) 1980-08-29
FR2448243B1 FR2448243B1 (fr) 1985-03-29

Family

ID=11160925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001426A Granted FR2448243A1 (fr) 1979-01-30 1980-01-23 Circuit pour la protection automatique de transistors de puissance, particulierement pour convertisseurs a commutation ou similaires

Country Status (8)

Country Link
US (1) US4355342A (fr)
JP (1) JPS55107311A (fr)
CH (1) CH639226A5 (fr)
DE (1) DE3001632A1 (fr)
FR (1) FR2448243A1 (fr)
GB (1) GB2042841B (fr)
IT (1) IT1110628B (fr)
NL (1) NL8000560A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548842A1 (fr) * 1983-07-09 1985-01-11 Westfaelische Metall Industrie Montage pour commutation comportant un element electronique qui peut etre commande et qui commute une charge
FR2614479A1 (fr) * 1987-04-27 1988-10-28 Mitsubishi Electric Corp Circuit de protection contre les courts-circuits, notamment pour proteger des elements de commutation semiconducteurs de puissance
WO1991007797A1 (fr) * 1989-11-10 1991-05-30 Hanning Elektro-Werke Gmbh & Co. Dispositif de protection pour changeur de frequence

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433357A (en) * 1980-10-13 1984-02-21 Matsushita Electric Works Ltd. Drive circuit for a latching relay
JPS5780202A (en) * 1980-11-06 1982-05-19 Hitachi Ltd Controller for electric vehicle
US4454503A (en) * 1981-09-03 1984-06-12 General Electric Company Transistor fault indicator
DE3138645A1 (de) * 1981-09-29 1983-04-14 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart "elektronische ueberstromschutzvorrichtung"
US4484127A (en) * 1982-05-28 1984-11-20 Otis Elevator Company Inverter power transistor protection
GB2125642B (en) * 1982-08-06 1985-10-02 Philips Electronic Associated Washing machine motor speed control circuit
DE3302864C1 (de) * 1983-01-28 1983-11-03 Euchner & Co, 7022 Leinfelden-Echterdingen Schaltungsanordnung zum Schutze eines beruehrungslos ansteuerbaren Halbleiterschalters
JPS60153525A (ja) * 1984-01-23 1985-08-13 Canon Inc 交流制御回路用安全回路
NZ207431A (en) * 1984-03-08 1989-03-29 Fisher & Paykel Pulse with modulation controls current in dc motor
DE3509961A1 (de) * 1985-03-20 1986-09-25 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur steuerung des stromes durch einen elektrischen, insbesondere elektromagnetischen verbraucher
US4879623A (en) * 1985-12-02 1989-11-07 Caterpillar Industrial Inc. Voltage transients
US4680664A (en) * 1985-12-09 1987-07-14 Hughes Tool Company Overcurrent protection circuit for power transistors
DE3727498A1 (de) * 1987-08-18 1989-03-02 Hella Kg Hueck & Co Vorrichtung zum steuern der leistung eines elektrischen verbrauchers
DE3908338A1 (de) * 1989-03-15 1990-09-20 Hella Kg Hueck & Co Verfahren und einrichtung zum ansteuern einer last, insbesondere in kraftfahrzeugen
DE3920805C2 (de) * 1989-06-24 1996-08-29 Teves Gmbh Alfred Kurzschlußfeste Treiberstufe
DE3924653A1 (de) * 1989-07-26 1991-01-31 Telefunken Electronic Gmbh Ueberwachungsschaltung fuer einen laststromkreis
DE3924824A1 (de) * 1989-07-27 1991-02-07 Telefunken Electronic Gmbh Schaltungsanordnung zum schutz eines getakteten halbleiterschalters
DE19502016C1 (de) * 1995-01-24 1996-07-18 Henschel Kunststofftechn Gmbh Überstromabsicherung in einem PWM-Steller für Gleichstrommotoren
DE19516208C1 (de) * 1995-05-03 1996-07-25 Siemens Ag Verfahren zur Überwachung einer Leistungsendstufe und Schaltungsanordnung zur Durchführung dieses Verfahrens
DE19548724A1 (de) * 1995-12-23 1997-06-26 Bosch Gmbh Robert Verfahren zum Schutz eines Schaltreglers sowie Anordnung und Anwendung
DE102004030459B3 (de) * 2004-06-24 2005-07-28 Hans Hermann Rottmerhusen Elektromotorische Hilfskraftlenkung
ITTO20090563A1 (it) * 2009-07-24 2011-01-25 Indesit Co Spa Metodo per monitorare il funzionamento di un elettrodomestico e relativo elettrodomestico.
US9515543B2 (en) 2011-12-09 2016-12-06 Telefonaktiebolaget L M Ericsson (Publ) Method for operating a power converter module and a device therefor
USD907497S1 (en) * 2016-01-15 2021-01-12 Owens-Brockway Glass Container Inc. Container

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2270705A1 (fr) * 1974-05-08 1975-12-05 Boehringer Andreas
US3946280A (en) * 1975-03-10 1976-03-23 Branson Ultrasonics Corporation Overload protection circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493815A (en) * 1967-07-19 1970-02-03 Gen Electric Electric protective system
DE2403102A1 (de) * 1974-01-23 1975-07-24 Heine Karl Friedrich Dipl Ing Ueberlastungsschutzschaltung fuer eine transistor-schaltstufe
US4006370A (en) * 1975-12-15 1977-02-01 General Electric Company Fast turn-off circuit for power transistor
JPS5812829B2 (ja) * 1976-04-28 1983-03-10 株式会社日立製作所 直流回路の保護装置
US4217526A (en) * 1978-05-22 1980-08-12 Tecumseh Products Company D.C. Motor speed controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2270705A1 (fr) * 1974-05-08 1975-12-05 Boehringer Andreas
US3946280A (en) * 1975-03-10 1976-03-23 Branson Ultrasonics Corporation Overload protection circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548842A1 (fr) * 1983-07-09 1985-01-11 Westfaelische Metall Industrie Montage pour commutation comportant un element electronique qui peut etre commande et qui commute une charge
FR2614479A1 (fr) * 1987-04-27 1988-10-28 Mitsubishi Electric Corp Circuit de protection contre les courts-circuits, notamment pour proteger des elements de commutation semiconducteurs de puissance
WO1991007797A1 (fr) * 1989-11-10 1991-05-30 Hanning Elektro-Werke Gmbh & Co. Dispositif de protection pour changeur de frequence

Also Published As

Publication number Publication date
DE3001632A1 (de) 1980-07-31
IT7919751A0 (it) 1979-01-30
FR2448243B1 (fr) 1985-03-29
DE3001632C2 (fr) 1988-02-04
GB2042841B (en) 1983-05-11
JPS55107311A (en) 1980-08-18
NL8000560A (nl) 1980-08-01
CH639226A5 (it) 1983-10-31
IT1110628B (it) 1985-12-23
US4355342A (en) 1982-10-19
GB2042841A (en) 1980-09-24

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