JPH03123274U - - Google Patents

Info

Publication number
JPH03123274U
JPH03123274U JP3342290U JP3342290U JPH03123274U JP H03123274 U JPH03123274 U JP H03123274U JP 3342290 U JP3342290 U JP 3342290U JP 3342290 U JP3342290 U JP 3342290U JP H03123274 U JPH03123274 U JP H03123274U
Authority
JP
Japan
Prior art keywords
current
feeder
primary input
distribution system
detection circuit
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
JP3342290U
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 JP3342290U priority Critical patent/JPH03123274U/ja
Publication of JPH03123274U publication Critical patent/JPH03123274U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す要部回路図、
第2図は従来の回路を示す配電系統図である。 2……母線、3,3……しや断器、4
……変圧器、5,5……変流器、6
……過電流継電器、7……補助変流器、8…
…電力量計、9……電力計。

Claims (1)

    【実用新案登録請求の範囲】
  1. 母線から複数のフイーダに分岐した配電系統の
    該フイーダの電流検出によつて該フイーダの過電
    流保護及び計測電流を得る電流検出回路において
    、前記フイーダの電流を一次入力として前記母線
    の短絡電流よりも大きくした過電流強度を有して
    二次出力を過電流保護継電器に与える変流器と、
    この変流器の出力を一次入力とし逆レシオの二次
    出力を計測電流とする補助変流器とを備えたこと
    を特徴とする配電系統の電流検出回路。
JP3342290U 1990-03-29 1990-03-29 Pending JPH03123274U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3342290U JPH03123274U (ja) 1990-03-29 1990-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3342290U JPH03123274U (ja) 1990-03-29 1990-03-29

Publications (1)

Publication Number Publication Date
JPH03123274U true JPH03123274U (ja) 1991-12-16

Family

ID=31537065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3342290U Pending JPH03123274U (ja) 1990-03-29 1990-03-29

Country Status (1)

Country Link
JP (1) JPH03123274U (ja)

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