晶粒无取向硅钢片取向特性分析

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Abstract As the capacity of electrical machines increases, the local overheats and vibration problems for the large scale synchronous generator are becoming more and more serious. During the process of calculating the iron core loss and analyzing the vibration of the electric machine, it is necessary to describe the magnetic property and the magnetostrictive effect of the non-oriented silicon steel sheet. In this paper, based on a 2-D magnetic property measurement system, the magnetic field intensity vector loci of a non-oriented silicon steel sheet were measured under the condition of rotational magnetic flux density. According to the vector relationship between magnetic flux density and magnetic field intensity in one time period, the vector magnetic property and loss property of silicon steel were analyzed. Using an improved single-sheet magnetostrictive property measurement technique, the magnetostrictive waveforms of silicon steel sheet along different magnetized directions were measured, and the single-value curves describing the magnetostrictive property were defined and abstracted. The study shows that the non-grain oriented silicon steel sheet has the oriented magnetic property and anisotropic magnetostrictive property.

Key words： Non-grain oriented silicon steel sheet magnetostriction 2-D magnetic property anisotropic property loss

Received: 23 May 2013 Published: 22 May 2014

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TM76

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	Articles by authors
	Zhang Yanli
	Sun Xiaoguang
	Bai Baodong
	Xie Dexin
	Ren Ziyan
	Zhang Dianhai

Cite this article:

Zhang Yanli,Sun Xiaoguang,Bai Baodong等. Analysis on Oriented Characteristics for Non-Grain Oriented Silicon Steel Sheet[J]. Transactions of China Electrotechnical Society, 2013, 28(2增): 99-104.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I2增/99

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