JPS5757230A - Monitoring device of degree of vacuum for vacuum electric equipment - Google Patents

Monitoring device of degree of vacuum for vacuum electric equipment

Info

Publication number
JPS5757230A
JPS5757230A JP13318980A JP13318980A JPS5757230A JP S5757230 A JPS5757230 A JP S5757230A JP 13318980 A JP13318980 A JP 13318980A JP 13318980 A JP13318980 A JP 13318980A JP S5757230 A JPS5757230 A JP S5757230A
Authority
JP
Japan
Prior art keywords
vacuum
degree
electric field
polariface
electric
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.)
Granted
Application number
JP13318980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6148856B2 (enExample
Inventor
Tomio Fukushima
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.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co 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 Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP13318980A priority Critical patent/JPS5757230A/ja
Publication of JPS5757230A publication Critical patent/JPS5757230A/ja
Publication of JPS6148856B2 publication Critical patent/JPS6148856B2/ja
Granted 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

Landscapes

  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
JP13318980A 1980-09-25 1980-09-25 Monitoring device of degree of vacuum for vacuum electric equipment Granted JPS5757230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13318980A JPS5757230A (en) 1980-09-25 1980-09-25 Monitoring device of degree of vacuum for vacuum electric equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13318980A JPS5757230A (en) 1980-09-25 1980-09-25 Monitoring device of degree of vacuum for vacuum electric equipment

Publications (2)

Publication Number Publication Date
JPS5757230A true JPS5757230A (en) 1982-04-06
JPS6148856B2 JPS6148856B2 (enExample) 1986-10-27

Family

ID=15098773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13318980A Granted JPS5757230A (en) 1980-09-25 1980-09-25 Monitoring device of degree of vacuum for vacuum electric equipment

Country Status (1)

Country Link
JP (1) JPS5757230A (enExample)

Also Published As

Publication number Publication date
JPS6148856B2 (enExample) 1986-10-27

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