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Techniques of Noninvasive Current Measurement

Huawei Zhang, Sun Yueqiang

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Abstract

The current measurement is widely used in industry and scientific research,the noninvasive current measurement has advantages of high precision and automation.The principles of several noninvasive current measurement methods,such as current transformer,Rogowski coil,Hall current sensors,OCT,magnetoresistive current sensors,are summarized based on the investigation for their application.The characteristic of each method and the developing trend of current sensors are also described.

About this research paper

What this paper is about

The current measurement is widely used in industry and scientific research,the noninvasive current measurement has advantages of high precision and automation.The principles of several noninvasive current measurement methods,such as current transformer,Rogowski coil,Hall current sensors,OCT,magnetoresistive current sensors,are summarized based on the investigation for their application.The characteristic of each method and the developing trend of current sensors are also described.

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Key contribution

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Method / approach

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Available abstract

The current measurement is widely used in industry and scientific research,the noninvasive current measurement has advantages of high precision and automation.The principles of several noninvasive current measurement methods,such as current transformer,Rogowski coil,Hall current sensors,OCT,magnetoresistive current sensors,are summarized based on the investigation for their application.The characteristic of each method and the developing trend of current sensors are also described.

Key concepts: Rogowski coil, Current (fluid), Current transformer, Computer science, Current sensor, Electrical engineering, Electromagnetic coil, Transformer

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