BE475254A - - Google Patents

Info

Publication number
BE475254A
BE475254A BE475254DA BE475254A BE 475254 A BE475254 A BE 475254A BE 475254D A BE475254D A BE 475254DA BE 475254 A BE475254 A BE 475254A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE475254A publication Critical patent/BE475254A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6664—Operating arrangements with pivoting movable contact structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/02—Energy stored by the attraction or repulsion of magnetic parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H75/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of power reset mechanism
    • H01H75/02—Details
    • H01H75/04—Reset mechanisms for automatically reclosing a limited number of times
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/06—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature in oil-filled electric apparatus
    • 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
    • H02H7/04—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 transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/406—Temperature sensor or protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thermally Actuated Switches (AREA)
BE475254D 1945-08-06 1947-08-08 BE475254A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US609188A US2491338A (en) 1945-08-06 1945-08-06 Protective switch device
US631165A US2452961A (en) 1945-08-06 1945-11-27 Protective switch

Publications (1)

Publication Number Publication Date
BE475254A true BE475254A (de) 1947-09-30

Family

ID=27085977

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475254D BE475254A (de) 1945-08-06 1947-08-08

Country Status (4)

Country Link
US (2) US2491338A (de)
BE (1) BE475254A (de)
FR (1) FR944082A (de)
GB (2) GB633069A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662137A (en) * 1952-02-15 1953-12-08 Gen Electric Transformer protective switch
US3040212A (en) * 1957-09-26 1962-06-19 Gen Electric Protected transformer
US3126500A (en) * 1959-05-12 1964-03-24 Westinghouse Electric Corp Thermally responsive device
US3185796A (en) * 1961-03-08 1965-05-25 Saginomiya Seisakusho Co Ltd Snap-action condition responsive switch
US3258523A (en) * 1964-09-30 1966-06-28 Westinghouse Electric Corp Electrical bushing assembly
US3404247A (en) * 1966-03-08 1968-10-01 Gen Electric Pressure responsive protective means for vacuum type circuit interrupters
US4249050A (en) * 1977-12-30 1981-02-03 Tokyo Shibaura Denki Kabushiki Kaisha Vacuum switch
US4320432A (en) * 1979-12-03 1982-03-16 San Angelo Electric Service Company High voltage transformer bushing fuse and arrester arrangement
US4901182A (en) * 1987-11-27 1990-02-13 Westinghouse Electric Corp. Electrical transformer component mounting assembly
US4956745A (en) * 1989-05-10 1990-09-11 Marelco Power Systems, Inc. Transformer assembly with exposed laminations and hollow housings
US5161088A (en) * 1989-05-10 1992-11-03 Burgher Peter H Transformer assembly with exposed hollow housings, and multiple coils
US5661280A (en) * 1995-08-02 1997-08-26 Abb Power T&D Company Inc. Combination of a gas-filled interrupter and oil-filled transformer
WO2010105360A2 (en) * 2009-03-17 2010-09-23 George Matai Non-conductive lid for transformers
US20150243428A1 (en) * 2014-02-21 2015-08-27 Varentec, Inc. Methods and systems of field upgradeable transformers
CN106601454B (zh) * 2016-11-30 2018-11-23 山东电力设备有限公司 一种自耦三相变压器开关支撑结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1523505A (en) * 1921-09-30 1925-01-20 Esmond P O Brien Thermostat
US1798854A (en) * 1926-11-25 1931-03-31 Satchwell Leonard Thermostat
US1851657A (en) * 1927-03-19 1932-03-29 Birka Regulator Ab Thermostatic switch
US1950240A (en) * 1932-08-04 1934-03-06 Hilgenberg David Circuit closer
US2073286A (en) * 1933-08-31 1937-03-09 Ranco Inc Motor overload cut-out switch
US2053944A (en) * 1935-10-28 1936-09-08 Gen Electric Protective device
US2128427A (en) * 1936-09-26 1938-08-30 Bell Telephone Labor Inc Vacuum switch
US2223726A (en) * 1937-10-02 1940-12-03 Westinghouse Electric & Mfg Co Protective device for electrical apparatus and systems

Also Published As

Publication number Publication date
GB633069A (en) 1949-12-12
FR944082A (fr) 1949-03-25
US2491338A (en) 1949-12-13
US2452961A (en) 1948-11-02
GB635489A (en) 1950-04-12

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