FR1503721A - Improvements to electrical switches for intense currents - Google Patents

Improvements to electrical switches for intense currents

Info

Publication number
FR1503721A
FR1503721A FR79533A FR79533A FR1503721A FR 1503721 A FR1503721 A FR 1503721A FR 79533 A FR79533 A FR 79533A FR 79533 A FR79533 A FR 79533A FR 1503721 A FR1503721 A FR 1503721A
Authority
FR
France
Prior art keywords
electrical switches
intense currents
intense
currents
switches
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
FR79533A
Other languages
French (fr)
Inventor
Christian Rioux
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR79533A priority Critical patent/FR1503721A/en
Priority to CH1399667A priority patent/CH469340A/en
Priority to US673592A priority patent/US3474339A/en
Priority to GB46240/67A priority patent/GB1206786A/en
Priority to DE19671615915D priority patent/DE1615915B1/en
Application granted granted Critical
Publication of FR1503721A publication Critical patent/FR1503721A/en
Expired legal-status Critical Current

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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/161—Variable impedances
    • H01H33/162—Liquid resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H87/00—Protective devices in which a current flowing through a liquid or solid is interrupted by the evaporation of the liquid or by the melting and evaporation of the solid when the current becomes excessive, the circuit continuity being reestablished on cooling

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Contacts (AREA)
  • Adjustable Resistors (AREA)
  • Circuit Breakers (AREA)
FR79533A 1966-10-11 1966-10-11 Improvements to electrical switches for intense currents Expired FR1503721A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR79533A FR1503721A (en) 1966-10-11 1966-10-11 Improvements to electrical switches for intense currents
CH1399667A CH469340A (en) 1966-10-11 1967-10-06 Electric switch for intense currents
US673592A US3474339A (en) 1966-10-11 1967-10-09 Electric switches for high currents
GB46240/67A GB1206786A (en) 1966-10-11 1967-10-10 Improvements in/or relating to electric switches for high currents
DE19671615915D DE1615915B1 (en) 1966-10-11 1967-10-11 Electrical breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR79533A FR1503721A (en) 1966-10-11 1966-10-11 Improvements to electrical switches for intense currents

Publications (1)

Publication Number Publication Date
FR1503721A true FR1503721A (en) 1967-12-01

Family

ID=8618856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR79533A Expired FR1503721A (en) 1966-10-11 1966-10-11 Improvements to electrical switches for intense currents

Country Status (5)

Country Link
US (1) US3474339A (en)
CH (1) CH469340A (en)
DE (1) DE1615915B1 (en)
FR (1) FR1503721A (en)
GB (1) GB1206786A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621561A (en) * 1983-06-22 1986-11-11 Board Of Regents, Univ. Of Texas System Switch for inductive energy store transfer circuit
US4916998A (en) * 1988-06-22 1990-04-17 Westinghouse Electric Corp. Electric switch and integrated switch-preaccelerator system for an electromagnetic projectile launcher
DE19903776B4 (en) * 1999-02-01 2004-02-12 Moeller Gmbh Self-recovering current limiting device
DE19903940C1 (en) * 1999-02-01 2000-11-02 Moeller Gmbh Self-recovering current limiting device with liquid metal
DE19927065A1 (en) * 1999-06-15 2000-12-21 Moeller Gmbh Self-recovering current limiting device with liquid metal
DE10139565B4 (en) * 2001-08-10 2004-07-29 Moeller Gmbh Current limiting device with liquid metal
ATE373870T1 (en) * 2003-07-10 2007-10-15 Abb Research Ltd METHOD AND DEVICE FOR LIMITING CURRENT WITH A LIQUID METAL CURRENT LIMITER
US20070041138A1 (en) * 2003-07-10 2007-02-22 Abb Research Ltd Process and device for current limiting with an automatic current limiter
DE102006034168B4 (en) * 2006-05-23 2013-12-24 Dehn + Söhne Gmbh + Co. Kg Enclosed Überpannungsabeiter for use as a network spark gap in the low voltage range with separate, electrically connected in series functional units
WO2008064494A1 (en) * 2006-11-29 2008-06-05 Abb Research Ltd Liquid metal current switch
WO2010037424A1 (en) * 2008-10-03 2010-04-08 Abb Technology Ag Electric current limiting device
CN102324720A (en) * 2011-09-28 2012-01-18 上海大学 Fault current limiter
DE102013224720B4 (en) * 2013-12-03 2016-07-07 J. Pröpster GmbH Surge discharge device with a surge arrester and a quenching unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1660407A (en) * 1926-05-28 1928-02-28 Gen Electric Liquid-conductor pump
US2936711A (en) * 1955-08-12 1960-05-17 Atomic Energy Authority Uk Electromagnetic pumps

Also Published As

Publication number Publication date
CH469340A (en) 1969-02-28
DE1615915B1 (en) 1970-09-24
US3474339A (en) 1969-10-21
GB1206786A (en) 1970-09-30

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