MW级高速永磁电机转子强度敏感性分析

doi:10.19595/j.cnki.1000-6753.tces.L90226

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Abstract

To solve the problem of structural strength of the overlaid rotor of the megawatt high speed permanent magnet motor, taking a 1.12MW high speed permanent magnet motor with 18 000r/min as an example, a three-dimensional finite element model of the rotor structure was established to calculate the stress of the permanent magnet and its sheath under extreme working conditions. The input variables were sheath material, magnetic insulation material, sheath thickness, interference between sheath and permanent magnet, and the calculated results of rotor stress were used as output variables to establish orthogonal test data. The sensitivity of rotor strength was analyzed by variance analysis method. At the same time, by comparing the stress effects of input variables at different levels, the selection principles of rotor structure parameters and materials are summarized.

Key words： High speed permanent magnet motor finite element method the rotor intensity sensitivity analysis

Received: 04 July 2020

PACS:

TM355

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	Articles by authors
	Wang Tianyu
	Wang Zerun
	Bai Bin
	Zhang Yue
	Zhang Fengge

Cite this article:

Wang Tianyu,Wang Zerun,Bai Bin等. Sensitivity Analysis of Rotor Strength of Megawatt High Speed Permanent Magnet Motor[J]. Transactions of China Electrotechnical Society, 2021, 36(zk1): 107-114.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.L90226 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/Izk1/107

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