串联磁路混合励磁爪极发电机的结构设计和特性

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Abstract In consideration of low power density of electric excitation claw-pole synchronous generator(EECPG) and some difficulties in magnetic field regulation of permanent magnet claw-pole synchronous generator(PMCPG), hybrid excitation claw-pole synchronous generator(HECPG) which magnetic circuit series connection is studied in this paper. The calculation method for magnetic circuit and 3D finite element method are used for analyzing this new type of generator flux density in different parts and determining the appropriate pole-pairs number and the reasonable magnet thickness, the no-load characteristics, voltage characteristic and regulation characteristics of this generator are discussed. The result shows: the reasonable pole-pairs of HECPG are 2, and magnetic thickness has a logical value; relative to EECPG, it realizes two-direction control of excitation current; relative to PMCPG, its output voltage can adjusting and its output voltage can keep constant at wide load range. Compare to EECPG, it have more higher power density and air gap density in the same case of structure parameter.

Key words： Series connection hybrid excitation claw-pole machine design

Received: 26 May 2008 Published: 14 February 2014

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TM315

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	Zhao Chaohui

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Zhao Chaohui. Structure Designing and Characteristic Study of HECPG Which Magnetic Circuit Series Connection[J]. Transactions of China Electrotechnical Society, 2009, 24(5): 1-6.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2009/V24/I5/1

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