JPH0319973U - - Google Patents

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Publication number
JPH0319973U
JPH0319973U JP7939989U JP7939989U JPH0319973U JP H0319973 U JPH0319973 U JP H0319973U JP 7939989 U JP7939989 U JP 7939989U JP 7939989 U JP7939989 U JP 7939989U JP H0319973 U JPH0319973 U JP H0319973U
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JP
Japan
Prior art keywords
voltage
power supply
signal power
substation
superimposed
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
JP7939989U
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English (en)
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JPH0740224Y2 (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
Priority to JP1989079399U priority Critical patent/JPH0740224Y2/ja
Publication of JPH0319973U publication Critical patent/JPH0319973U/ja
Application granted granted Critical
Publication of JPH0740224Y2 publication Critical patent/JPH0740224Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measurement Of Resistance Or Impedance (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例を示す回路構成図
、第２図は従来の装置の回路構成図である。 １……高圧母線、２……接地用変圧器、４……
接地器、５，２０……電磁接触子、７，８，１０
……連絡ケーブル、１１……直流信号電源装置、
９……測定兼制御器、１２，１３……抵抗、１４
……フユーズ或は回路保護リレー、１８，１９…
…安定化直流電源、２１……常時閉接点。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 高圧ケーブル活線下劣化診断のため巡回して
    諸所の変電所で直流電圧を交流に重畳して印加す
    る直流信号電源装置を有する交流重畳直流電圧印
    加装置において、 変電所内の接地用機器と大地との間に挿入され
    た常時閉接点を有する電磁接触子を内蔵する接地
    器と、 変電所外の容易接近箇所まで測定の都度運搬す
    る直流信号電源装置と、 前記変電所内まで測定の都度搬入する測定兼制
    御器と、 前記接地器と直流信号電源装置と測定兼制御器
    とを相互に連絡するケーブルと、を備え、 高圧系統全体の対地絶縁抵抗の測定および前記
    直流信号電源装置、接地器の制御は前記変電所内
    で測定兼制御器によりおこなうことを特徴とする
    交流重畳直流電圧印加装置。 ２ 前記直流信号電源装置は直流電圧印加中に高
    圧系統に地絡事故が発生したときに流入する地絡
    電流の半波整流波により動作するフユーズ或は回
    路保護リレーの付属接点の動作により前記接地器
    内電磁接触子接点を閉成する保護装置を含むこと
    を特徴とする請求項第１項記載の交流重畳直流電
    圧印加装置。
JP1989079399U 1989-07-05 1989-07-05 交流重畳直流電圧印加装置 Expired - Lifetime JPH0740224Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989079399U JPH0740224Y2 (ja) 1989-07-05 1989-07-05 交流重畳直流電圧印加装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989079399U JPH0740224Y2 (ja) 1989-07-05 1989-07-05 交流重畳直流電圧印加装置

Publications (2)

Publication Number Publication Date
JPH0319973U true JPH0319973U (ja) 1991-02-27
JPH0740224Y2 JPH0740224Y2 (ja) 1995-09-13

Family

ID=31623528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989079399U Expired - Lifetime JPH0740224Y2 (ja) 1989-07-05 1989-07-05 交流重畳直流電圧印加装置

Country Status (1)

Country Link
JP (1) JPH0740224Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289970A (en) * 1976-01-21 1977-07-28 Sumitomo Electric Ind Ltd Insulation resistance measuring method for distribution lines in live condition
JPS5934977A (ja) * 1982-08-19 1984-02-25 Koyo Seiko Co Ltd パワ−ステアリングの作動制御装置
JPS6244369U (ja) * 1985-09-05 1987-03-17

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289970A (en) * 1976-01-21 1977-07-28 Sumitomo Electric Ind Ltd Insulation resistance measuring method for distribution lines in live condition
JPS5934977A (ja) * 1982-08-19 1984-02-25 Koyo Seiko Co Ltd パワ−ステアリングの作動制御装置
JPS6244369U (ja) * 1985-09-05 1987-03-17

Also Published As

Publication number Publication date
JPH0740224Y2 (ja) 1995-09-13

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