不同负载对干式变压器电磁振动的影响分析

doi:10.19595/j.cnki.1000-6753.tces.161528

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Abstract The electromagnetic vibration of dry type transformer is mainly caused by core and windings. Different types of load have a different effect on the vibration. Analysis and tests of the electromagnetic vibration of the transformer are carried out, which considered different loads, such as no-load, resistive load and non-linear load. Using three phase dry type transformer SG-10, the vibration considering magnetostrictive effect with various harmonics is analyzed by Magneto-mechanical coupling method respectively. A prototype of vibration measurement system is built to study the harmonic components and analyze the spectrum caused by nonlinear load. The calculation and test results are in good agreement, which verified the feasibility of the method. The work of this paper is benefit to further optimize and reduce the vibration of transformers.

Key words： Dry type transformer load harmonics electromagnetic vibration

Received: 23 September 2016 Published: 12 April 2018

PACS:

TM412

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	Articles by authors
	Zhu Lihua
	Wang Bin
	Liu Song
	Yang Yimei
	Yang Qingxin

Cite this article:

Zhu Lihua,Wang Bin,Liu Song等. Research on Electromagnetic Vibration of Dry Type Transformer under Different Types of Load[J]. Transactions of China Electrotechnical Society, 2018, 33(7): 1599-1606.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.161528 OR https://dgjsxb.ces-transaction.com/EN/Y2018/V33/I7/1599

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