JPS6070071U - 電流測定用プロ−ブ - Google Patents

電流測定用プロ−ブ

Info

Publication number
JPS6070071U
JPS6070071U JP1984140786U JP14078684U JPS6070071U JP S6070071 U JPS6070071 U JP S6070071U JP 1984140786 U JP1984140786 U JP 1984140786U JP 14078684 U JP14078684 U JP 14078684U JP S6070071 U JPS6070071 U JP S6070071U
Authority
JP
Japan
Prior art keywords
magnetic field
magnetic core
magnetic
conductor
current
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
JP1984140786U
Other languages
English (en)
Other versions
JPS6122289Y2 (ja
Inventor
ジエフリー・アラン・デイーアカー
プレンテイス・ジーン・モーア
Original Assignee
エフ・ダブリユー・ベル・インコーポレーテツド
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 エフ・ダブリユー・ベル・インコーポレーテツド filed Critical エフ・ダブリユー・ベル・インコーポレーテツド
Publication of JPS6070071U publication Critical patent/JPS6070071U/ja
Application granted granted Critical
Publication of JPS6122289Y2 publication Critical patent/JPS6122289Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/22—Tong testers acting as secondary windings of current transformers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Magnetic Variables (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図は電流測定計器に用いられる代表的なりランプ型
プローブの斜視図、第2図は安定化コイルを設けた上記
プローブの磁心の拡大斜視図、第3図は理想的な磁化曲
線と代表的なヒステリシス特性のグラフ、第4図は安定
化コイルの電気回路の概略図、第5図は動作回路に接続
された本考案による磁心の概略図、第6図、第1図、第
8図は3つの電流範囲で動作したときの、普通の磁性材
料を用いた本考案のプローブ用磁心に関する動作特性を
グラフにしたもの、第9図、第10図、第11図は電流
範囲に応じて決められる特殊な磁性材料を用いたときの
動作特性の同様なグラフ、第12図は1つの電流範囲に
対する別の特殊で高価な磁心材料を用いたときの動作特
性のグラフを示 ′す。 10・・・クランプ型プローブ、20・・・磁心、21
.22・・・コア区間部材、30・・・ホール素子、3
2・・・空気間隙、31・・・安定化コイル、C・・・
導体。 /J       −− I

Claims (1)

    【実用新案登録請求の範囲】
  1. 下記の構成要素を具備して成る導体内を流れる電流の測
    定装置:前記導体の通過部を囲繞する透磁性の磁心:前
    記透磁性の磁心の磁束経路における磁束に応答して電気
    的信−号出力を発生するための、前記透磁性の磁心と電
    磁的に結合関係にして配置してなる磁界センサ;それ自
    体の内部を流れる電流に応答して一前記磁心中に磁界を
    誘起せしめ−−るための、前記磁心に電磁的に結合され
    た磁界発生型安定化コイル;前記コイル内に短い周期で
    複数の減衰振動波形の電流を連続的に発生せしめ、前記
    導体が前記通過部への装入状態で、電流が通電されてい
    る時を含み常時前記磁;らが実質的にヒステリシス無し
    の理想化された磁化曲線に沿って磁化されるように維持
    する手段;前記減衰振動波形の電流と前艷電気的信号出
    −力とを測定して前記導体内を流れる電流を指示する手
    段。
JP1984140786U 1976-03-08 1984-09-17 電流測定用プロ−ブ Granted JPS6070071U (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/664,716 US4059798A (en) 1976-03-08 1976-03-08 Method and apparatus for measuring the current flowing in a workpiece
US664716 1996-06-17

Publications (2)

Publication Number Publication Date
JPS6070071U true JPS6070071U (ja) 1985-05-17
JPS6122289Y2 JPS6122289Y2 (ja) 1986-07-04

Family

ID=24667170

Family Applications (2)

Application Number Title Priority Date Filing Date
JP14551476A Pending JPS52108181A (en) 1976-03-08 1976-12-03 Method and device for stabilizing magnetic core of current measuring apparatus
JP1984140786U Granted JPS6070071U (ja) 1976-03-08 1984-09-17 電流測定用プロ−ブ

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP14551476A Pending JPS52108181A (en) 1976-03-08 1976-12-03 Method and device for stabilizing magnetic core of current measuring apparatus

Country Status (5)

Country Link
US (1) US4059798A (ja)
JP (2) JPS52108181A (ja)
DE (1) DE2706547C3 (ja)
FR (1) FR2344024A1 (ja)
GB (1) GB1525310A (ja)

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US6175229B1 (en) * 1999-03-09 2001-01-16 Eaton Corporation Electrical current sensing apparatus
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DE10145415A1 (de) 2001-09-14 2003-04-03 Aloys Wobben Messwandler, insbesondere für einen Wechselrichter einer Windenergieanlage
US6642704B2 (en) * 2001-09-28 2003-11-04 Eaton Corporation Device for sensing electrical current and housing therefor
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JP6379451B2 (ja) * 2012-12-20 2018-08-29 アイシン精機株式会社 電流センサの製造方法
JP6127499B2 (ja) * 2012-12-20 2017-05-17 アイシン精機株式会社 電流センサ
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Also Published As

Publication number Publication date
DE2706547C3 (de) 1981-05-07
FR2344024B1 (ja) 1983-01-07
JPS52108181A (en) 1977-09-10
DE2706547A1 (de) 1977-09-22
FR2344024A1 (fr) 1977-10-07
GB1525310A (en) 1978-09-20
DE2706547B2 (de) 1980-07-17
US4059798A (en) 1977-11-22
JPS6122289Y2 (ja) 1986-07-04

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