JPH01140732U - - Google Patents

Info

Publication number
JPH01140732U
JPH01140732U JP3740088U JP3740088U JPH01140732U JP H01140732 U JPH01140732 U JP H01140732U JP 3740088 U JP3740088 U JP 3740088U JP 3740088 U JP3740088 U JP 3740088U JP H01140732 U JPH01140732 U JP H01140732U
Authority
JP
Japan
Prior art keywords
vacuum
disconnector
current detector
shield
speed relay
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.)
Pending
Application number
JP3740088U
Other languages
English (en)
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
Priority to JP3740088U priority Critical patent/JPH01140732U/ja
Publication of JPH01140732U publication Critical patent/JPH01140732U/ja
Pending legal-status Critical Current

Links

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例による真空しや断器の
真空度劣化検出装置の回路図、第2図は真空しや
断器の真空度が正常な場合の動作説明図、第3図
は真空度が劣化した場合の動作説明図である。 2…真空しや断器、3…変流器、4…真空しや
断器の補助接点、5…高速度リレー、6…検出リ
レー、7…タイマー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電力線に介設された真空しや断器の負荷側に電
    流検出器を設け、該電流検出器の出力側に該電流
    検出器の検出信号により動作させられる高速度リ
    レーを接続し、検出リレーとタイマーからなる並
    列回路に前記高速度リレーの接点と真空しや断器
    の補助接点およびタイマー接点からなる接点回路
    を接続すると共に、該真空しや断器の真空度が劣
    化したとき前記高速度リレーの動作により真空度
    劣化を検出することを特徴とする真空しや断器の
    真空度劣化検出装置。
JP3740088U 1988-03-22 1988-03-22 Pending JPH01140732U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3740088U JPH01140732U (ja) 1988-03-22 1988-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3740088U JPH01140732U (ja) 1988-03-22 1988-03-22

Publications (1)

Publication Number Publication Date
JPH01140732U true JPH01140732U (ja) 1989-09-27

Family

ID=31263981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3740088U Pending JPH01140732U (ja) 1988-03-22 1988-03-22

Country Status (1)

Country Link
JP (1) JPH01140732U (ja)

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