KR860001475B1 - 진공 전기기기의 진공도 감시장치 - Google Patents

진공 전기기기의 진공도 감시장치 Download PDF

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Publication number
KR860001475B1
KR860001475B1 KR8202626A KR820002626A KR860001475B1 KR 860001475 B1 KR860001475 B1 KR 860001475B1 KR 8202626 A KR8202626 A KR 8202626A KR 820002626 A KR820002626 A KR 820002626A KR 860001475 B1 KR860001475 B1 KR 860001475B1
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KR
South Korea
Prior art keywords
vacuum
light
electric field
vacuum degree
foxkels
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
KR8202626A
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English (en)
Korean (ko)
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KR840000805A (ko
Inventor
도미오 야스다
도시유기 이찌야마
Original Assignee
이마이 마사오
가부시기 가이샤 메이덴샤
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 이마이 마사오, 가부시기 가이샤 메이덴샤 filed Critical 이마이 마사오
Publication of KR840000805A publication Critical patent/KR840000805A/ko
Application granted granted Critical
Publication of KR860001475B1 publication Critical patent/KR860001475B1/ko
Expired legal-status Critical Current

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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
    • G01R15/242—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption based on the Pockels effect, i.e. linear electro-optic effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0878—Sensors; antennas; probes; detectors
    • G01R29/0885—Sensors; antennas; probes; detectors using optical probes, e.g. electro-optical, luminescent, glow discharge, or optical interferometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/12—Measuring electrostatic fields or voltage-potential
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Fluid Pressure (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
KR8202626A 1981-06-15 1982-06-12 진공 전기기기의 진공도 감시장치 Expired KR860001475B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP56091914A JPS57206843A (en) 1981-06-15 1981-06-15 Vacuum degree monitor for vacuum electrical appliance
JP91914 1981-06-15
JP56-91914 1981-06-15

Publications (2)

Publication Number Publication Date
KR840000805A KR840000805A (ko) 1984-02-27
KR860001475B1 true KR860001475B1 (ko) 1986-09-26

Family

ID=14039846

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8202626A Expired KR860001475B1 (ko) 1981-06-15 1982-06-12 진공 전기기기의 진공도 감시장치

Country Status (2)

Country Link
JP (1) JPS57206843A (enrdf_load_stackoverflow)
KR (1) KR860001475B1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
KR840000805A (ko) 1984-02-27
JPH0248852B2 (enrdf_load_stackoverflow) 1990-10-26
JPS57206843A (en) 1982-12-18

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