铁心旋转损耗模型改进与局部损耗测试

doi:10.19595/j.cnki.1000-6753.tces.171307

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Abstract There is plenty of elliptical magnetic flux density (B) in the yoke and tooth roots of the induction motor stator, the rotational losses are greater than alternating ones, and therefore, the accurate calculation of rotation loss is the premise and foundation of the optimum design of the motor. Based on the 2D rotational magnetic properties measurement system, RPT, Brockhaus in Germany, the rotational loss in the non-oriented electrical steel sheet was measured and analyzed in this paper. By studying the traditional Bertotti’s model and Steinmetz equation, this paper put forward the improved models of core loss estimation for elliptic B locus. In order to verify the validity of the proposed model, a B-H vector sensor was set up to test the local losses in an induction motor stator core.

Key words： Rotational losses Steinmetz equation B-H vector sensor rotational magnetization

Received: 11 September 2017 Published: 14 September 2018

PACS:

TM153

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	Articles by authors
	Chi Qingguang
	Zhang Yanli
	Ren Yajun
	Zhang Dianhai
	Xie Dexin

Cite this article:

Chi Qingguang,Zhang Yanli,Ren Yajun等. Improvement on Rotational Loss Model and Measurement of Local Loss in the Iron Core[J]. Transactions of China Electrotechnical Society, 2018, 33(17): 3951-3957.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.171307 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I17/3951

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