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用于旋转应用的交直流电流传感器。

AC/DC Current Sensor for Rotating Applications.

机构信息

Department of Hydraulic, Energy and Environmental Engineering, Universidad Politécnica de Madrid, 28040 Madrid, Spain.

Department of Automática, Ingeniería Eléctrica y Electrónica e Informática Industrial, Universidad Politécnica de Madrid, 28006 Madrid, Spain.

出版信息

Sensors (Basel). 2020 Nov 28;20(23):6811. doi: 10.3390/s20236811.

DOI:10.3390/s20236811
PMID:33260646
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7730502/
Abstract

There are several techniques for current measurement. Most of them are capable of measuring both alternating and direct current (AC/DC) components. However, they have severe drawbacks for rotating applications (large size, sensitivity to external fields, and low signal amplitude). In addition to these weaknesses, measured signals should be transmitted to a stationary part. In order to contribute solving these difficulties, this paper presents a sensor that can measure AC/DC simultaneously based on the electromagnetic coupling of two coils. To this aim, the measured waveform is analysed. In this paper, the design of such a sensor is presented. This design is validated through computer simulations and a prototype is built. The performance of this sensor prototype is analysed through experimental tests.

摘要

有几种电流测量技术。它们大多数都能够测量交流和直流（AC/DC）分量。然而，它们在旋转应用中存在严重的缺点（尺寸大、对外场敏感、信号幅度低）。除了这些弱点之外，测量信号还应传输到静止部分。为了有助于解决这些困难，本文提出了一种基于两个线圈电磁耦合的传感器，可以同时测量 AC/DC。为此，对测量波形进行了分析。本文介绍了这种传感器的设计。通过计算机仿真验证了该设计，并构建了一个原型。通过实验测试分析了该传感器原型的性能。

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Research on the Factors Influencing the Measurement Errors of the Discrete Rogowski Coil.离散型罗戈夫斯基线圈测量误差的影响因素研究
Sensors (Basel). 2018 Mar 13;18(3):847. doi: 10.3390/s18030847.
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Electronic Energy Meter Based on a Tunnel Magnetoresistive Effect (TMR) Current Sensor.基于隧道磁阻效应（TMR）电流传感器的电子电能表。
Materials (Basel). 2017 Sep 26;10(10):1134. doi: 10.3390/ma10101134.