JPS5529532B2 - - Google Patents

Info

Publication number
JPS5529532B2
JPS5529532B2 JP4018575A JP4018575A JPS5529532B2 JP S5529532 B2 JPS5529532 B2 JP S5529532B2 JP 4018575 A JP4018575 A JP 4018575A JP 4018575 A JP4018575 A JP 4018575A JP S5529532 B2 JPS5529532 B2 JP S5529532B2
Authority
JP
Japan
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
JP4018575A
Other versions
JPS50140869A (ja
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 JPS50140869A publication Critical patent/JPS50140869A/ja
Publication of JPS5529532B2 publication Critical patent/JPS5529532B2/ja
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
    • H01H33/60—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
    • H02H1/0069—Details of emergency protective circuit arrangements concerning transmission of signals by means of light or heat rays
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Radiation Pyrometers (AREA)
  • Testing Relating To Insulation (AREA)
JP4018575A 1974-04-02 1975-04-02 Expired JPS5529532B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2416324A DE2416324C3 (de) 1974-04-02 1974-04-02 Anordnung zur Erfassung mangelnder Betriebsfähigkeit von Vakuumschaltern

Publications (2)

Publication Number Publication Date
JPS50140869A JPS50140869A (ja) 1975-11-12
JPS5529532B2 true JPS5529532B2 (ja) 1980-08-04

Family

ID=5912105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4018575A Expired JPS5529532B2 (ja) 1974-04-02 1975-04-02

Country Status (5)

Country Link
JP (1) JPS5529532B2 (ja)
CH (1) CH580347A5 (ja)
DE (1) DE2416324C3 (ja)
GB (1) GB1495567A (ja)
SE (1) SE7503442L (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021176567A1 (ja) * 2020-03-03 2021-09-10 三菱電機株式会社 変圧器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359654U (ja) * 1976-10-22 1978-05-20
DE3441870A1 (de) * 1984-11-16 1985-06-27 Ritter Starkstromtechnik GmbH & Co, 4600 Dortmund Einrichtung zur erfassung und beseitigung von stoerlichtboegen
JP3168751B2 (ja) * 1992-04-02 2001-05-21 富士電機株式会社 真空バルブの真空漏れ検知方法および装置
JP6919390B2 (ja) * 2017-07-24 2021-08-18 富士電機機器制御株式会社 引出し形の真空遮断器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013089A (ja) * 1973-05-21 1975-02-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013089A (ja) * 1973-05-21 1975-02-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021176567A1 (ja) * 2020-03-03 2021-09-10 三菱電機株式会社 変圧器

Also Published As

Publication number Publication date
GB1495567A (en) 1977-12-21
DE2416324B2 (de) 1977-12-29
DE2416324C3 (de) 1978-08-31
JPS50140869A (ja) 1975-11-12
CH580347A5 (ja) 1976-09-30
SE7503442L (ja) 1975-10-03
DE2416324A1 (de) 1975-10-16

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