GB1285283A - A vacuum switch assembly - Google Patents

A vacuum switch assembly

Info

Publication number
GB1285283A
GB1285283A GB24608/70A GB2460870A GB1285283A GB 1285283 A GB1285283 A GB 1285283A GB 24608/70 A GB24608/70 A GB 24608/70A GB 2460870 A GB2460870 A GB 2460870A GB 1285283 A GB1285283 A GB 1285283A
Authority
GB
United Kingdom
Prior art keywords
vacuum
fuse
resistor
capacitor
arm
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
GB24608/70A
Other languages
English (en)
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.)
Toyo Denki Seizo KK
Toyo Electric Manufacturing Ltd
Original Assignee
Toyo Denki Seizo KK
Toyo Electric Manufacturing 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
Application filed by Toyo Denki Seizo KK, Toyo Electric Manufacturing Ltd filed Critical Toyo Denki Seizo KK
Publication of GB1285283A publication Critical patent/GB1285283A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
    • 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
    • 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
    • H02H7/22—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 distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—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 distribution gear, e.g. bus-bar systems; for switching devices for 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
    • H01H33/668—Means for obtaining or monitoring the vacuum

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
GB24608/70A 1969-05-22 1970-05-21 A vacuum switch assembly Expired GB1285283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44039453A JPS4947661B1 (de) 1969-05-22 1969-05-22

Publications (1)

Publication Number Publication Date
GB1285283A true GB1285283A (en) 1972-08-16

Family

ID=12553443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24608/70A Expired GB1285283A (en) 1969-05-22 1970-05-21 A vacuum switch assembly

Country Status (5)

Country Link
US (1) US3641394A (de)
JP (1) JPS4947661B1 (de)
DE (1) DE2025120C3 (de)
FR (1) FR2048650A5 (de)
GB (1) GB1285283A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2223894A (en) * 1988-09-07 1990-04-18 Furse W J & Co Ltd Protecting electrical installations from transients

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693053A (en) * 1971-10-29 1972-09-19 Gen Electric Metal oxide varistor polyphase transient voltage suppression
US3911322A (en) * 1974-03-05 1975-10-07 Westinghouse Electric Corp Method and circuit arrangement for an improved low cost lightning arrester
FR2480441A1 (fr) * 1980-04-15 1981-10-16 Enertec Procede et dispositifs d'identification de phases en defaut dans un reseau de distribution electrique
US4652867A (en) * 1984-09-25 1987-03-24 Masot Oscar V Circuit breaker indicator
FI116176B (fi) * 2004-05-18 2005-09-30 Abb Oy Maadoitus- ja ylijännitesuojausjärjestely
CN107768185B (zh) * 2016-08-16 2020-01-10 中国石油化工股份有限公司 一种真空室的真空度监测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US897211A (en) * 1907-03-15 1908-08-25 Gen Electric Protective device for electrical systems.
US981742A (en) * 1907-06-01 1911-01-17 Gen Electric Lightning-arrester.
US2520956A (en) * 1947-03-14 1950-09-05 James P Parker Breakdown indicator for insulated aircraft antennas
NL280036A (de) * 1961-07-03

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2223894A (en) * 1988-09-07 1990-04-18 Furse W J & Co Ltd Protecting electrical installations from transients
US5157572A (en) * 1988-09-07 1992-10-20 W. J. Furse & Co. Ltd. Apparatus suitable for use in protecting electrical installations from transients
GB2223894B (en) * 1988-09-07 1992-11-18 Furse W J & Co Ltd Apparatus suitable for use in protecting electrical installations from transients

Also Published As

Publication number Publication date
DE2025120A1 (de) 1970-12-23
FR2048650A5 (de) 1971-03-19
US3641394A (en) 1972-02-08
JPS4947661B1 (de) 1974-12-17
DE2025120B2 (de) 1972-07-06
DE2025120C3 (de) 1974-06-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee