变速恒压混合励磁风力发电机的热分析

doi:10.19595/j.cnki.1000-6753.tces.L80573

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Abstract The structure, loss distribution, heat dissipation condition and running state of hybrid excited wind generators are complex. Taking a 100 kW hybrid excited wind generator as an example, the thermal analysis of the generator is carried out by the finite element method, and the temperature rise distributions of the generator under different operating states (maximum magnetization, rated operation and maximum demagnetization) are revealed. The influences of the field current passing through the zero point on the copper loss of the field winding and the temperature rise distribution are analyzed, and the selection principle of the field current passing through the zero point is determined. At the same time, the influences of wind speed and heat dissipation area on the temperature rise of generator are analyzed. The thermal test of the prototype of is carried out. The accuracy of the calculated results is verified by comparing the experimental results with the calculated results.

Key words： Hybrid excited wind generator temperature field thermal analysis

Received: 01 July 2018 Published: 14 May 2019

PACS:

TM315

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	Articles by authors
	Wu Shengnan
	Li Wenjie
	An Zhongliang
	Yu Shenbo

Cite this article:

Wu Shengnan,Li Wenjie,An Zhongliang等. Thermal Analysis of Variable-Speed Constant-Voltage Hybrid Excited Wind Generators[J]. Transactions of China Electrotechnical Society, 2019, 34(9): 1857-1864.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L80573 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I9/1857

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