EP1037233A3 - Switchgear - Google Patents

Switchgear Download PDF

Info

Publication number
EP1037233A3
EP1037233A3 EP00105357A EP00105357A EP1037233A3 EP 1037233 A3 EP1037233 A3 EP 1037233A3 EP 00105357 A EP00105357 A EP 00105357A EP 00105357 A EP00105357 A EP 00105357A EP 1037233 A3 EP1037233 A3 EP 1037233A3
Authority
EP
European Patent Office
Prior art keywords
contactor
moving
fixed contactor
fixed
electric field
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.)
Withdrawn
Application number
EP00105357A
Other languages
German (de)
French (fr)
Other versions
EP1037233A2 (en
Inventor
Minoru Kobayashi
Toshimasa Maruyama
Toshifumi Sato
Seiichi Miyamoto
Takayuki Itotani
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1037233A2 publication Critical patent/EP1037233A2/en
Publication of EP1037233A3 publication Critical patent/EP1037233A3/en
Withdrawn legal-status Critical Current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
    • H01H33/60—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
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
    • H01H2033/66284—Details relating to the electrical field properties of screens in vacuum switches
    • 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
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

A switchgear which has a disc-like fixed contactor 6, a moving contactor 10 coming into and out of contact with the disc-like fixed contactor 6, an electric field easing member 7 being placed in the surrounding of the fixed contactor 6, the portion in the surrounding of the fixed contactor 6 projecting from the fixed contactor 6 to the moving contactor 10 side, an electric field easing shield 11 being placed in the surrounding of the moving contactor 10 and having a portion projecting from the moving contactor 10 to the fixed contactor 6 side when the moving contact 10 is at a position out of contact with the fixed contactor 6, and a vacuum vessel 1 for housing the fixed contactor 6, the moving contactor 10, the electric field easing member 7, and the electric field easing shield 11.
EP00105357A 1999-03-18 2000-03-17 Switchgear Withdrawn EP1037233A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11074538A JP2000268684A (en) 1999-03-18 1999-03-18 Switchgear
JP7453899 1999-03-18

Publications (2)

Publication Number Publication Date
EP1037233A2 EP1037233A2 (en) 2000-09-20
EP1037233A3 true EP1037233A3 (en) 2002-09-11

Family

ID=13550166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105357A Withdrawn EP1037233A3 (en) 1999-03-18 2000-03-17 Switchgear

Country Status (6)

Country Link
EP (1) EP1037233A3 (en)
JP (1) JP2000268684A (en)
KR (1) KR20000071457A (en)
CN (1) CN1267897A (en)
SG (1) SG79304A1 (en)
TW (1) TW445473B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2841682B1 (en) 2002-06-27 2004-12-10 Schneider Electric Ind Sas VACUUM BULB FOR AN ELECTRICAL PROTECTIVE APPARATUS SUCH AS A SWITCH OR CIRCUIT BREAKER
JP5171298B2 (en) * 2008-02-12 2013-03-27 株式会社東芝 Resin mold vacuum valve
DE102009033982B4 (en) * 2009-07-16 2011-06-01 Siemens Aktiengesellschaft Vacuum interrupter
JP6039266B2 (en) * 2012-06-25 2016-12-07 株式会社東芝 Vacuum valve
CN111816502B (en) * 2020-08-27 2020-12-11 广东电网有限责任公司东莞供电局 Operating mechanism of vacuum circuit breaker

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239635A (en) * 1964-11-17 1966-03-08 Baude John Disc shaped arcing contact structure producing predetermined arc blowout characteristic
DE2063120A1 (en) * 1970-12-16 1972-06-29 Siemens Ag Vacuum switch
US4250363A (en) * 1978-12-06 1981-02-10 Electric Power Research Institute, Inc. Electrical circuit breaking device and method
US4542266A (en) * 1983-01-24 1985-09-17 Siemens Aktiengesellschaft Contact arrangement for vacuum switches
JPH01128324A (en) * 1987-11-13 1989-05-22 Mitsubishi Electric Corp Vacuum switch
DE19603158A1 (en) * 1996-01-19 1997-07-24 Fachhochschule Fuer Technik Un HV vacuum switch with vacuum switching chamber

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081640A (en) * 1976-04-19 1978-03-28 General Electric Company Compact vacuum switch for high voltage circuit interruption
CA1084565A (en) * 1976-07-21 1980-08-26 James M. Lafferty High-current vacuum switch with reduced contact erosion
DE3035875A1 (en) * 1980-09-23 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Vacuum switch contact device for HV and heavy currents - has contact coating tapered at outer edge to direct arc inwards
DE8534022U1 (en) * 1985-12-03 1987-06-11 Siemens AG, 1000 Berlin und 8000 München Vacuum interrupter
DE19603081B4 (en) * 1996-01-19 2004-09-30 Müller, Ottmar, Prof. Dr.-Ing.habil. High-voltage vacuum switch
DE19806329A1 (en) * 1998-02-05 1998-08-06 Mueller Ottmar Prof Dr Ing Hab High voltage vacuum switch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239635A (en) * 1964-11-17 1966-03-08 Baude John Disc shaped arcing contact structure producing predetermined arc blowout characteristic
DE2063120A1 (en) * 1970-12-16 1972-06-29 Siemens Ag Vacuum switch
US4250363A (en) * 1978-12-06 1981-02-10 Electric Power Research Institute, Inc. Electrical circuit breaking device and method
US4542266A (en) * 1983-01-24 1985-09-17 Siemens Aktiengesellschaft Contact arrangement for vacuum switches
JPH01128324A (en) * 1987-11-13 1989-05-22 Mitsubishi Electric Corp Vacuum switch
DE19603158A1 (en) * 1996-01-19 1997-07-24 Fachhochschule Fuer Technik Un HV vacuum switch with vacuum switching chamber

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 374 (E - 808) 18 August 1989 (1989-08-18) *

Also Published As

Publication number Publication date
KR20000071457A (en) 2000-11-25
SG79304A1 (en) 2001-03-20
JP2000268684A (en) 2000-09-29
EP1037233A2 (en) 2000-09-20
TW445473B (en) 2001-07-11
CN1267897A (en) 2000-09-27

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