JPS58167478U - 微少交流電流測定装置 - Google Patents

微少交流電流測定装置

Info

Publication number
JPS58167478U
JPS58167478U JP6587982U JP6587982U JPS58167478U JP S58167478 U JPS58167478 U JP S58167478U JP 6587982 U JP6587982 U JP 6587982U JP 6587982 U JP6587982 U JP 6587982U JP S58167478 U JPS58167478 U JP S58167478U
Authority
JP
Japan
Prior art keywords
alternating current
measuring device
current
current measuring
current transformer
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
JP6587982U
Other languages
English (en)
Inventor
宮武　友昭
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP6587982U priority Critical patent/JPS58167478U/ja
Publication of JPS58167478U publication Critical patent/JPS58167478U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)

Description

【図面の簡単な説明】
図は本考案の実施例による微少交流電流測定装置の回路
図である。 ＣＴ１．　’ｒｃ’ｒ２：変流器、ｏｐｌ、　ＯＦ２：
演算増幅器、Ｑｌ、ＰＮＰパワートランジスタ、Ｑ２：
ＮＰＮパワートテンジスタ、Ａ：交流電流計、Ｒ１〜Ｒ
１ｏ＝抵抗、ＶＲ：可変抵抗、０１〜Ｃ１：コンデンサ
、Ｅｌ、Ｅ２：直流電源１、Ｐ：正電位、Ｍ：零電位、
Ｎ：負電位。

Claims (2)

    【実用新案登録請求の範囲】
  1. （１）微少交流電流を流す回路を第一の変流器の電流線
    輪に接続し、この変流器の電圧線輪をフィルタ、演算増
    幅器およびパワートランジスタ増幅器を介して第二の変
    流器の電圧線輪に接続し、その電流線輪に指針形交流電
    流計を接続してなることを特徴とする微少交流電流測定
    装置。
  2. （２）実用新案登録請求の範囲第一項記載のものにおい
    て上記パワートランジスタ増幅器の出力端より可変抵抗
    器とそれに並列に接続したコンデンサとによって上記演
    算増幅器の入力端にフイｉドパツク回路を構成したこと
    を特徴とする微少交流電流測定装置。
JP6587982U 1982-05-06 1982-05-06 微少交流電流測定装置 Pending JPS58167478U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6587982U JPS58167478U (ja) 1982-05-06 1982-05-06 微少交流電流測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6587982U JPS58167478U (ja) 1982-05-06 1982-05-06 微少交流電流測定装置

Publications (1)

Publication Number Publication Date
JPS58167478U true JPS58167478U (ja) 1983-11-08

Family

ID=30075803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6587982U Pending JPS58167478U (ja) 1982-05-06 1982-05-06 微少交流電流測定装置

Country Status (1)

Country Link
JP (1) JPS58167478U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60148966U (ja) * 1984-03-14 1985-10-03 澤藤電機株式会社 交流電流検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60148966U (ja) * 1984-03-14 1985-10-03 澤藤電機株式会社 交流電流検出装置

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