一种双端混合励磁的无刷直流发电机运行特性分析

doi:10.19595/j.cnki.1000-6753.tces.181289

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Abstract In consideration of lower power density of electric excitation generator and some difficulties in magnetic field regulation of permanent magnet generator, a novel dual-direction hybrid excitation brushless dc generator (HE-BLDCG) is proposed in this paper. Firstly, the architecture and winding connection of the dual-direction hybrid excitation brushless dc generator were presented and the magnetic field regulation principle were described. To predict the electromagnetic performance more accurately, 3D-finite element analysis (3D-FEA) magnetic and transient models of the machine were built by JMAG-Designer. Magnetic finite element analysis was performed to achieve the magnetic field distributions and air gap flux density under different the electrical MMFs, and no-load characteristics, voltage characteristics and regulate characteristics of the machine were obtained based on the transient finite element analysis. In addition, a 10kW, 900VDC dual three-phase prototype generator was tested. The measured results agree well with the 3D-FEA results and verify the reasonable structure of the proposed generator. The air gap flux can be effectively regulated with DC field current. The proposed generator is suitable for the high voltage dc power supply system of vehicle.

Key words： Hybrid excitation blushless DC generator dual-direction 3D-finite element operation characteristic

Received: 26 July 2018 Published: 28 November 2019

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TM331

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	Articles by authors
	Yu Junyue
	Cao Yu
	Zhu Shushu
	Liu Chuang

Cite this article:

Yu Junyue,Cao Yu,Zhu Shushu等. Analysis of Operation Characteristics for Dual-Direction Hybrid Excitation Brushless DC Generator[J]. Transactions of China Electrotechnical Society, 2019, 34(22): 4634-4641.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.181289 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I22/4634

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