Multi physical comprehensive design of a new type of FeCo based high speed permanent magnet motor

IF 1.1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Applied Electromagnetics and Mechanics Pub Date : 2023-06-23 DOI:10.3233/jae-220190

Peng-long Hou, B. Ge, Dajun Tao, Bo Pan, Shuqi Liu

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Abstract

In order to solve the problem that the design of high-speed permanent magnet motor (HSPMM) is constrained by multi-physical fields, this paper starts with the comprehensive study of multi physical fields, introduces the finite element calculation model of rotor strength-rotor dynamics-electromagnetic field-fluid field and temperature field, carries out the comprehensive design of a 100 kW, 18 000 r/min FeCo based HSPMM, and gives the detailed and complete research process of the main parameters of HSPMM under multi-physical field constraints. First, the initial dimensions of the motor are obtained by electromagnetic and mechanical design theory. Secondly, the influence of design parameters on rotor stress is analyzed in detail, including the influence of bearing rigidity, impeller mass, rotor diameter, rotor core length and gyroscopic effect on critical speed. Subsequently, the electromagnetic characteristics of the motor are comprehensively studied, the cooling system is designed in the Flow-Heat coupling calculation model and the temperature field is studied. Finally, the prototype test verifies the correctness and validity of the comprehensive research method of multi physical field.

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一种新型FeCo型高速永磁电机的多物理综合设计

为了解决高速永磁电机设计受多物理场约束的问题，本文从多物理场综合研究入手，引入转子强度-转子动力学-电磁场-流体场和温度场的有限元计算模型，对100 kW、18 000 r/min FeCo型高速永磁电机进行了综合设计。给出了多物理场约束下HSPMM主要参数的详细完整研究过程。首先，利用电磁学和机械设计理论得到电机的初始尺寸。其次，详细分析了设计参数对转子应力的影响，包括轴承刚度、叶轮质量、转子直径、转子铁心长度和陀螺效应对临界转速的影响。随后，对电机的电磁特性进行了全面的研究，在流-热耦合计算模型中设计了冷却系统，并对温度场进行了研究。最后，通过样机试验验证了多物理场综合研究方法的正确性和有效性。

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来源期刊

International Journal of Applied Electromagnetics and Mechanics 物理-工程：电子与电气

CiteScore

1.70

自引率

0.00%

发文量

100

审稿时长

4.6 months

期刊介绍： The aim of the International Journal of Applied Electromagnetics and Mechanics is to contribute to intersciences coupling applied electromagnetics, mechanics and materials. The journal also intends to stimulate the further development of current technology in industry. The main subjects covered by the journal are: Physics and mechanics of electromagnetic materials and devices Computational electromagnetics in materials and devices Applications of electromagnetic fields and materials The three interrelated key subjects – electromagnetics, mechanics and materials - include the following aspects: electromagnetic NDE, electromagnetic machines and devices, electromagnetic materials and structures, electromagnetic fluids, magnetoelastic effects and magnetosolid mechanics, magnetic levitations, electromagnetic propulsion, bioelectromagnetics, and inverse problems in electromagnetics. The editorial policy is to combine information and experience from both the latest high technology fields and as well as the well-established technologies within applied electromagnetics.