JPH01131235U - - Google Patents

Info

Publication number
JPH01131235U
JPH01131235U JP2715788U JP2715788U JPH01131235U JP H01131235 U JPH01131235 U JP H01131235U JP 2715788 U JP2715788 U JP 2715788U JP 2715788 U JP2715788 U JP 2715788U JP H01131235 U JPH01131235 U JP H01131235U
Authority
JP
Japan
Prior art keywords
currents
transformer
output
relay device
ratio differential
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
JP2715788U
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 JP2715788U priority Critical patent/JPH01131235U/ja
Publication of JPH01131235U publication Critical patent/JPH01131235U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Transformers (AREA)

Description

【図面の簡単な説明】
第1図は本案の1実施例を示すブロツク線図、
第2図は本案の他の実施例の要部のみを示すブロ
ツク線図である。 1:変圧器、4,5:変流器、10:継電器演
算回路、11:零相監視回路、12,13:ケー
ブル、C:継電器出力。

Claims (1)

    【実用新案登録請求の範囲】
  1. 非接地の変圧器の1次側と2次側の電流を導い
    て演算しこの電流にアンバランスが生じると前記
    変圧器の故障として継電器出力を発生する比率差
    動継電装置において、前記電流の零相成分を監視
    しこれが所定レベルを超えると前記電流を導く回
    路の異常とみて前記継電器出力を阻止すると共に
    警報を発する如く構成して成ることを特徴とする
    比率差動継電装置。
JP2715788U 1988-02-29 1988-02-29 Pending JPH01131235U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2715788U JPH01131235U (ja) 1988-02-29 1988-02-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2715788U JPH01131235U (ja) 1988-02-29 1988-02-29

Publications (1)

Publication Number Publication Date
JPH01131235U true JPH01131235U (ja) 1989-09-06

Family

ID=31249406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2715788U Pending JPH01131235U (ja) 1988-02-29 1988-02-29

Country Status (1)

Country Link
JP (1) JPH01131235U (ja)

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