1.12MW高速永磁电机多物理场综合设计

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Abstract For high speed machine, it is necessary to meet the requirements including elec- tromagnetic properties, mechanical properties and machine temperature,so it is a comprehensive multi-physics field iterative design process. In this paper, a 1.12MW, 18 000r/min high-speed PM machine is designed based on electromagnetic fields-rotor strength-rotor dynamics-fluid and temperature fields. On the basis of multi-physics analysis, the results meeting electromagnetic properties, rotor strength, critical speed, machine temperature rise are obtained. Finally, a prototype is manufactured. The electromagnetic experiment, rotor mechanical properties test and temperature test are conducted and the results show that the design method and multi-physics analysis are feasible and effective, by which a theory gist for the high power high speed PM machine is provided.

Key words： High speed PM machine multi-physics field integrated design electromagnetic properties mechanical properties temperature field

Received: 09 October 2014 Published: 14 September 2015

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TM315

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I12/171

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