电工软磁材料旋转磁滞损耗测量及建模

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摘要电力变压器和电机中存在旋转铁心损耗是其损耗预测不准的主要原因之一。针对该问题,提出电工软磁材料旋转磁滞损耗测量及建模方法。首先,矢量磁滞损耗分解为切向损耗和法向损耗两部分,分别根据圆形旋转损耗和交变损耗建模。其次,对软磁复合材料和无取向电工钢片进行模型参数辨识,并比较两种材料的损耗特性和模型参数。最后,利用三维磁特性测量装置进行多种励磁模式下的损耗测量,并对比实验结果与模型预测值。结果表明,在旋转复杂激励下,所提出的模型比传统的Steinmetz模型有更高的精度。

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	张长庚
	杨庆新
	李永建

关键词 ：电机铁耗, 磁滞损耗, 电磁场数值模拟, 旋转损耗

Abstract：The rotational flux in the core of power transformer and motor causes the inaccuracy efficiency computation of magnetic apparatus. In order to address the problem, this work focuses on magnetic measurement of rotational magnetization and its hysteresis loss modeling. Firstly, the vector hysteresis loss is decomposed into the transverse and radial components which are defined based on rotational loss and alternating loss, respectively. Secondly, the model parameters of soft magnetic composites and non-oriented silicon steel are identified. Their magnetic properties and model parameters are compared and analyzed. Finally, a series of complex excitation magnetization experiments on non-oriented silicon steel are carried out. The measurement results are compared with the predicted values by the model. It shows that the proposed model gives more exact predicted results than the traditional Steinmetz method.

Key words： Motor core loss hysteresis loss electro-magnetic simulation rotational loss

收稿日期: 2016-03-30 出版日期: 2017-06-20

PACS:

TM15

基金资助:国家自然科学基金资助项目(51237005,51507045)

通讯作者: 李永建男,1978年生,教授,研究方向为工程电磁场与磁技术、三维磁特性测量与建模。E-mail:liyongjian@hebut.edu.cn

作者简介: 张长庚男,1985年生,博士研究生,研究方向为工程电磁场与磁技术、三维磁特性测量与建模。E-mail:chang_geng@sina.com

引用本文:

张长庚, 杨庆新, 李永建. 电工软磁材料旋转磁滞损耗测量及建模[J]. 电工技术学报, 2017, 32(11): 208-216. Zhang Changgeng, Yang Qingxin, Li Yongjian. Measurement and Modeling of Rotational Hysteresis Loss of Electric Soft Magnetic Material. Transactions of China Electrotechnical Society, 2017, 32(11): 208-216.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2017/V32/I11/208

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