DE2707455C3 - Elektronischer Überstrom-Schutzschalter - Google Patents

Elektronischer Überstrom-Schutzschalter

Info

Publication number
DE2707455C3
DE2707455C3 DE2707455A DE2707455A DE2707455C3 DE 2707455 C3 DE2707455 C3 DE 2707455C3 DE 2707455 A DE2707455 A DE 2707455A DE 2707455 A DE2707455 A DE 2707455A DE 2707455 C3 DE2707455 C3 DE 2707455C3
Authority
DE
Germany
Prior art keywords
transistor
overcurrent
circuit
base
current
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.)
Expired
Application number
DE2707455A
Other languages
German (de)
English (en)
Other versions
DE2707455A1 (de
DE2707455B2 (de
Inventor
Kozo Tokyo Sato
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 JP1802176A external-priority patent/JPS52101450A/ja
Priority claimed from JP51018029A external-priority patent/JPS587089B2/ja
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of DE2707455A1 publication Critical patent/DE2707455A1/de
Publication of DE2707455B2 publication Critical patent/DE2707455B2/de
Application granted granted Critical
Publication of DE2707455C3 publication Critical patent/DE2707455C3/de
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

Landscapes

  • Emergency Protection Circuit Devices (AREA)
DE2707455A 1976-02-23 1977-02-21 Elektronischer Überstrom-Schutzschalter Expired DE2707455C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1802176A JPS52101450A (en) 1976-02-23 1976-02-23 Semiconductor breaker
JP51018029A JPS587089B2 (ja) 1976-02-23 1976-02-23 半導体しや断器

Publications (3)

Publication Number Publication Date
DE2707455A1 DE2707455A1 (de) 1977-09-01
DE2707455B2 DE2707455B2 (de) 1981-03-12
DE2707455C3 true DE2707455C3 (de) 1981-12-10

Family

ID=26354629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2707455A Expired DE2707455C3 (de) 1976-02-23 1977-02-21 Elektronischer Überstrom-Schutzschalter

Country Status (3)

Country Link
US (1) US4277811A (Direct)
DE (1) DE2707455C3 (Direct)
FR (1) FR2341973A1 (Direct)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359681A (en) * 1980-05-01 1982-11-16 Westinghouse Electric Corp. Alternating current power controller with DC transistor switching and an internal DC power supply
DE3138645A1 (de) * 1981-09-29 1983-04-14 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart "elektronische ueberstromschutzvorrichtung"
DE3302864C1 (de) * 1983-01-28 1983-11-03 Euchner & Co, 7022 Leinfelden-Echterdingen Schaltungsanordnung zum Schutze eines beruehrungslos ansteuerbaren Halbleiterschalters
US4879626A (en) * 1984-09-01 1989-11-07 Kim In S Overload relay with adjustable threshold indicator
US5091817A (en) * 1984-12-03 1992-02-25 General Electric Company Autonomous active clamp circuit
US4691263A (en) * 1985-12-17 1987-09-01 Westinghouse Electric Corp. Low leakage, solid state a-c power contact
US4713720A (en) * 1986-05-14 1987-12-15 Litton Systems, Inc. Fast acting solid state AC circuit breaker
US4743781A (en) * 1986-07-03 1988-05-10 International Business Machines Corporation Dotting circuit with inhibit function
US5057964A (en) * 1986-12-17 1991-10-15 Northern Telecom Limited Surge protector for telecommunications terminals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026468A (en) * 1958-12-04 1962-03-20 Westinghouse Electric Corp Transistor switch for saturating transformer
GB1031465A (en) * 1961-11-22 1966-06-02 Lucas Industries Ltd Alternating current overload protection circuits
US3214641A (en) * 1962-01-15 1965-10-26 Westinghouse Electric Corp Protective relay devices
US3211927A (en) * 1962-10-02 1965-10-12 Harvey J Klee Circuit overload protector
US3603865A (en) * 1969-09-30 1971-09-07 Gen Motors Corp Electronic analog for an electromechanical relay
US3875464A (en) * 1973-10-10 1975-04-01 Westinghouse Electric Corp Solid state overload relay

Also Published As

Publication number Publication date
DE2707455A1 (de) 1977-09-01
US4277811A (en) 1981-07-07
DE2707455B2 (de) 1981-03-12
FR2341973A1 (fr) 1977-09-16
FR2341973B1 (Direct) 1982-08-06

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: KABUSHIKI KAISHA TOSHIBA, KAWASAKI, KANAGAWA, JP

8339 Ceased/non-payment of the annual fee