JPS593373U - 電流計測回路 - Google Patents

電流計測回路

Info

Publication number
JPS593373U
JPS593373U JP9738982U JP9738982U JPS593373U JP S593373 U JPS593373 U JP S593373U JP 9738982 U JP9738982 U JP 9738982U JP 9738982 U JP9738982 U JP 9738982U JP S593373 U JPS593373 U JP S593373U
Authority
JP
Japan
Prior art keywords
measurement circuit
current measurement
current
current transformer
current range
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
JP9738982U
Other languages
English (en)
Inventor
元光　和夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9738982U priority Critical patent/JPS593373U/ja
Publication of JPS593373U publication Critical patent/JPS593373U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は従来のＣＴ２次残留回路の電流計測回路、第２
図は本考案のＣＴ２次残留回路の電流計測回路である。 １・・・第１相、２・・・第２相、３・・・第３相、Ｃ
Ｔ・・・変流器、ＡＵＣＴ・・・補助変流器、Ａ・・・
電流計、Ｘ−ａ・・・補助リレーａ接点、ｘ−ｂ・・・
補助リレーｂ接点、Ｋ・・・補助変流器１次端子、Ｌ・
・・補助変流器１次端子、ｋ□・・・補助変流器２次端
子、ｋ２・・・補助変流器２次端子、ｋ・・・補助変流
器２次端子、１・・・補助変流器２次端子、Ｄ・・・整
流器、ＺＤ・・・ツェナーダイオード、Ｒ・・・抵抗、
ＶＲ・・・調整抵抗、Ｉ−ＶＣＯＮＶ・・・電流−電圧
変換器。

Claims (1)

    【実用新案登録請求の範囲】
  1. 小電流域から大電流域塩の回路電流に対応可能とするた
    めに電流−電圧変換器を用いることを特゛徴とする電流
    計測回路。　　′
JP9738982U 1982-06-30 1982-06-30 電流計測回路 Pending JPS593373U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9738982U JPS593373U (ja) 1982-06-30 1982-06-30 電流計測回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9738982U JPS593373U (ja) 1982-06-30 1982-06-30 電流計測回路

Publications (1)

Publication Number Publication Date
JPS593373U true JPS593373U (ja) 1984-01-10

Family

ID=30231678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9738982U Pending JPS593373U (ja) 1982-06-30 1982-06-30 電流計測回路

Country Status (1)

Country Link
JP (1) JPS593373U (ja)

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