磁気センサによる非接触高精度電流検出技術

カテゴリ: 論文誌(論文単位)

グループ名: 【E】センサ・マイクロマシン部門

発行日: 2017/08/01

タイトル(英語): High-Precision Non-Contact Current Measurement Technology Using Magnetic Sensors

著者名: 山岸　君彦（日置電機（株）技術1部），池田　健太（日置電機（株）技術1部），中沢　宏紀（日置電機（株）技術1部）

著者名(英語): Kimihiko Yamagishi (HIOKI E.E. CORPORATION), Kenta Ikeda (HIOKI E.E. CORPORATION), Koki Nakazawa (HIOKI E.E. CORPORATION)

キーワード: 電流センサ，磁気センサ，ゼロフラックス　　Current sensor，Magnetic sensor，Zero-flux

要約(英語): In recent years, magnetic sensors have been applied not only to pure magnetic field detection but also to various fields. Current measurement using a shunt resistor is a common method, but high accuracy measurement is impossible due to self-heating drift and loss of micro resistance. In the current measurement using a current sensor, the insertion loss that the sensor gives to the circuit is extremely small, and high-precision measurement is possible. Therefore, a current sensor is essential device for development of a high efficiency power conversion system such as a power conditioner and an inverter. We have continued to develop high-precision and wideband current sensors using various detection methods for over 40 years. This paper introduces detection methods and features of various current sensors. In addition, key considerations when choosing a current sensor and precautions for high-precision measurement are described.

本誌: 電気学会論文誌E（センサ・マイクロマシン部門誌） Vol.137 No.8 （2017） 特集：磁気センサ・アクチュエータ材料とその応用

本誌掲載ページ: 223-228 p

原稿種別: 解説／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejsmas/137/8/137_223/_article/-char/ja/