JPS62182023U - - Google Patents

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Publication number
JPS62182023U
JPS62182023U JP6824986U JP6824986U JPS62182023U JP S62182023 U JPS62182023 U JP S62182023U JP 6824986 U JP6824986 U JP 6824986U JP 6824986 U JP6824986 U JP 6824986U JP S62182023 U JPS62182023 U JP S62182023U
Authority
JP
Japan
Prior art keywords
circuit breaker
voltage
capacitance
iron core
saturable reactor
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
JP6824986U
Other languages
English (en)
Other versions
JPH0526902Y2 (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 JP1986068249U priority Critical patent/JPH0526902Y2/ja
Publication of JPS62182023U publication Critical patent/JPS62182023U/ja
Application granted granted Critical
Publication of JPH0526902Y2 publication Critical patent/JPH0526902Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案の計器用変圧器の一実施例を示
す回路図、第２図は鉄共振現象の発生原理を示す
等価回路図、第３図および第４図は従来の鉄共振
抑制装置を示す回路図である。 ５…計器用変圧器、６…ＰＴの鉄心、７…ＰＴ
の一次巻線、８…ＰＴの二次巻線、９…負担、１
０…可飽和リアクトル、１３…抑制インピーダン
ス、１４…接触器、１４ａ…接触器の接点、１５
…補助継電器、１５ａ…補助継電器の接点、１６
…タイマー、１６ａ…タイマーの接点、１７…遮
断器開閉により動作する接点。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 遮断器を有する系統に接続され、鉄心並び
    にこの鉄心に巻回された一次巻線および二次巻線
    からなる接地形の計器用変圧器において、前記二
    次巻線の端子間に、前記遮断器の開極とほぼ同時
    に閉じかつ一定時間経過後に開く接点を介して鉄
    共振抑制インピーダンスを接続したことを特徴と
    する計器用変圧器。 (2) 鉄共振抑制インピーダンスは可飽和リアク
    トルとし、その可飽和リアクトルは少なくとも最
    高使用電圧で遮断器が開極された時停止母線側に
    現れる遮断器の極間静電容量と停止母線の対地静
    電容量で分圧された定格周波数の残留電圧では磁
    気飽和に至らずかつ定格周波数、定格電圧では磁
    気飽和に至るように構成した実用新案登録請求の
    範囲第１項記載の計器用変圧器。
JP1986068249U 1986-05-08 1986-05-08 Expired - Lifetime JPH0526902Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986068249U JPH0526902Y2 (ja) 1986-05-08 1986-05-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986068249U JPH0526902Y2 (ja) 1986-05-08 1986-05-08

Publications (2)

Publication Number Publication Date
JPS62182023U true JPS62182023U (ja) 1987-11-18
JPH0526902Y2 JPH0526902Y2 (ja) 1993-07-08

Family

ID=30907894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986068249U Expired - Lifetime JPH0526902Y2 (ja) 1986-05-08 1986-05-08

Country Status (1)

Country Link
JP (1) JPH0526902Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010104200A (ja) * 2008-10-27 2010-05-06 Mitsubishi Electric Corp エレベータ制御装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127529A (ja) * 1983-01-10 1984-07-23 日新電機株式会社 計器用変圧装置
JPS59162714A (ja) * 1983-03-04 1984-09-13 日新電機株式会社 計器用変圧装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127529A (ja) * 1983-01-10 1984-07-23 日新電機株式会社 計器用変圧装置
JPS59162714A (ja) * 1983-03-04 1984-09-13 日新電機株式会社 計器用変圧装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010104200A (ja) * 2008-10-27 2010-05-06 Mitsubishi Electric Corp エレベータ制御装置

Also Published As

Publication number Publication date
JPH0526902Y2 (ja) 1993-07-08

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