Aspects Regarding Testing of Electromagnetic Contactors Sensitivity to Voltage Dips

2020 International Symposium on Fundamentals of Electrical Engineering (ISFEE) Pub Date : 2020-11-05 DOI:10.1109/ISFEE51261.2020.9756156

M. Calin, E. Helerea

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引用次数: 1

Abstract

The present status regarding the power consumption in electric networks reveals a higher number of events caused by conducted electromagnetic disturbances. The impact of short and repetitive interruptions of electric voltage represents an important issue in the operation of electric and electronic equipments. Tracing the sensitivity characteristics of electromagnetic immunity type CBEMA of electrical equipment to power failure and short duration interruptions is an effective method for estimating the domain of operability and to improve the operational safety of electrical equipments. The assessment of electrical equipment functionality is emphasized in this paper through an experimental research on AC electromagnetic contactors. The study comprises theoretical and experimental research on the low voltage AC contactors as equipment under tests, description of the test stand and the developed procedure for obtaining the CBEMA immunity curves at abrupt and gradual, individual and repetitive voltage dips, with different dip initiation angle values. Some interpretations of the results are given.

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电磁接触器对电压跌落敏感性测试的几个方面

目前电网的电力消耗状况表明，由传导电磁干扰引起的事件较多。电压的短暂和反复中断的影响是电气和电子设备运行中的一个重要问题。跟踪电气设备电磁抗扰型CBEMA对停电和短时中断的灵敏度特性，是估计电气设备可操作域和提高电气设备运行安全性的有效方法。本文通过对交流电磁接触器的实验研究，强调了电气设备功能的评估。本文对低压交流接触器作为试验设备进行了理论和实验研究，描述了试验台架，制定了获得不同电压陡降和平缓、单次陡降和重复陡降、不同陡降起爆角值下的CBEMA抗扰曲线的方法。对结果作了一些解释。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 International Symposium on Fundamentals of Electrical Engineering (ISFEE)

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