间谐波对电工钢片励磁特性及损耗影响的实验研究

doi:10.19595/j.cnki.1000-6753.tces.171356

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摘要基于爱泼斯坦方圈,搭建了可产生任意间谐波激励的电工钢励磁特性和损耗特性实验平台。基于该实验平台研究间谐波对电工钢片励磁电流的影响,并应用Prony算法分析了间谐波作用下方圈感应电压和励磁电流的频率特性。最后,分析和总结了间谐波的频率和幅值对电工钢片的励磁特性和损耗的影响规律。该文的工作为研究间谐波对电力变压器等设备的影响和抑制奠定了基础。

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	李慧奇
	贾一凡
	陈新
	马光
	张俊杰

关键词 ：间谐波, 爱泼斯坦方圈, 电磁特性, Prony算法

Abstract：Based on Epstein frame, an experimental platform with the capacity to generate arbitrary waveforms is established, which can analyze the loss and excitation characteristics of electrical silicon steels. Then, the effects of interharmonics on the exciting current of electrical steel sheet are studied. The spectral characteristics of the induced voltage and the exciting current are analyzed by Prony algorithm. Finally, the influence of the frequency and amplitude of the interharmonics on the excitation characteristics and loss of the electrical steel sheet is analyzed and summarized. The results of this paper lay the foundation for studying the effects of interharmonics on power transformers and other equipment.

Key words： Interharmonics Epstein frame electromagnetic properties Prony algorithm

收稿日期: 2017-09-04 出版日期: 2018-09-26

PACS:

TM275

基金资助:国家自然科学基金重点资助项目（51577066）

通讯作者: 李慧奇男,1970年生,博士,教授,研究方向为电工理论与新技术。E-mail: huiqili@263.net

作者简介: 贾一凡男,1992年生,硕士研究生,研究方向为电工材料特性。E-mail: jyfncepu@163.com

引用本文:

李慧奇, 贾一凡, 陈新, 马光, 张俊杰. 间谐波对电工钢片励磁特性及损耗影响的实验研究[J]. 电工技术学报, 2018, 33(18): 4191-4198. Li Huiqi, Jia Yifan, Chen Xin, Ma Guang, Zhang Junjie. Experimental Research on Excitation Characteristics and Loss of Steel Sheet under Interharmonic Excitation. Transactions of China Electrotechnical Society, 2018, 33(18): 4191-4198.

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