GB974156A - Electric disconnecting switch - Google Patents

Electric disconnecting switch

Info

Publication number
GB974156A
GB974156A GB7504/63A GB750463A GB974156A GB 974156 A GB974156 A GB 974156A GB 7504/63 A GB7504/63 A GB 7504/63A GB 750463 A GB750463 A GB 750463A GB 974156 A GB974156 A GB 974156A
Authority
GB
United Kingdom
Prior art keywords
blade
main
resistor
contact
auxiliary
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
GB7504/63A
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.)
CBS Corp
Original Assignee
Westinghouse 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB974156A publication Critical patent/GB974156A/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
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
    • H01B17/44—Structural association of insulators with corona rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/026—Movable parts and contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/48—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
    • H01H2031/286—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact wherein the contact is rotatable around its own longitudinal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

974,156. Air break switches. WESTING- HOUSE ELECTRIC CORPORATION. Feb. 25, 1963 [April 6, 1962], No. 7504/63. Heading H2B. A load interrupting switch comprises a main blade contact 14 and main fixed contact 13, a resistor 18A connected at one end with the fixed contact 13 and an auxiliary switch blade 31 connected to the other end of the resistor and engageable with the main blade 14 in the closed position of the switch and during the initial stage of the opening movement. When the main contacts separate a parallel circuit still remains through the main blade, the auxiliary blade and the resistor section 18A thus preventing arcing at the main contacts. The auxiliary blade remains in contact with the arcing contact 15 of the main blade, as the latter pivots upwards, until it is arrested by a stop 23 when the two blades are separated to establish an arc between them. During further movement of the main blade 14 the arc is successively transferred to arcing contacts 24, 26 respectively inserting further resistor sections 18B, 18C in series with the arc. A corona shield 22 surrounds the auxiliary blade 31 in its open position.
GB7504/63A 1962-04-06 1963-02-25 Electric disconnecting switch Expired GB974156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US185575A US3148260A (en) 1962-04-06 1962-04-06 Disconnecting switch having surge suppressing impedance

Publications (1)

Publication Number Publication Date
GB974156A true GB974156A (en) 1964-11-04

Family

ID=22681567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7504/63A Expired GB974156A (en) 1962-04-06 1963-02-25 Electric disconnecting switch

Country Status (3)

Country Link
US (1) US3148260A (en)
BE (1) BE630613A (en)
GB (1) GB974156A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695918A (en) * 1986-07-24 1987-09-22 S&C Electric Company Pre-insertion inductor arrangement
FR2674985B1 (en) * 1991-04-08 1996-09-06 Gec Alsthom Engergie Inc QUICK-OPENING SWITCH.
US6483679B1 (en) 2001-06-18 2002-11-19 Southern States, Inc. Capacitor switch with external resistor and insertion whip
PL2341515T3 (en) * 2009-12-30 2013-05-31 Abb Technology Ag A block of bushings of a three-phase rotary switch-disconnector
CN106024494B (en) * 2016-07-27 2017-11-07 山东泰开隔离开关有限公司 A kind of super faradic outdoor high voltage AC earthing switch of B classes of 1100KV foldings
CN111989757B (en) * 2018-03-28 2023-10-10 日立能源瑞士股份公司 Spring-loaded auxiliary contact system for bus bar transmission switching in a central switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1563833A (en) * 1919-12-05 1925-12-01 Electrical Engineer S Equipmen High-tension air-break switch
US1861129A (en) * 1929-08-26 1932-05-31 Milliken Humphreys Circuit breaker
US2571864A (en) * 1947-08-21 1951-10-16 Westinghouse Electric Corp Arc extinguishing circuit interrupter
US2840671A (en) * 1954-08-30 1958-06-24 Siemens Ag Circuit interrupter
CA681717A (en) * 1958-04-30 1964-03-10 W. Skooglund John Air-break disconnecting switches

Also Published As

Publication number Publication date
BE630613A (en)
US3148260A (en) 1964-09-08

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