新能源汽车用永磁同步发电机高转速工况下的性能优化试验研究

Experimental Study on Performance Optimization of Permanent Magnet Synchronous Generators for New Energy Vehicles under High-Speed Operating Conditions

摘要

本论文针对新能源汽车用永磁同步发电机在高转速工况下的性能优化问题展开相关的研究。文章通过分析高转速工况下发电机面临的电磁损耗增加、振动与噪声加剧、散热困难等挑战，从电磁设计优化、结构设计改进、冷却系统优化、控制策略调整等多个维度提出了性能优化策略。即采用新型电磁材料、优化磁路结构降低电磁损耗；改进转子结构、增强机械强度旨在减少振动与噪声；再设计高效冷却系统来解决散热难题；并结合先进控制算法提升发电的效率与稳定性。此次研究成果旨在提高永磁同步发电机在高转速工况下的性能表现，可以为新能源汽车动力系统的优化升级提供技术支持与理论参考，进而助力新能源汽车行业的可持续发展。

Abstract

This paper conducts relevant research on the performance optimization of permanent magnet synchronous generators for new energy vehicles under high-speed conditions. This article analyzes the challenges faced by the motor under high-speed operating conditions, such as increased electromagnetic loss, intensified vibration and noise, and difficult heat dissipation. It proposes performance optimization strategies from multiple dimensions, including electromagnetic design optimization, structural design improvement, cooling system optimization, and control strategy adjustment. That is, by adopting new electromagnetic materials and optimizing the magnetic circuit structure to reduce electromagnetic loss; Improving the rotor structure and enhancing mechanical strength aim to reduce vibration and noise. Redesign an efficient cooling system to solve the heat dissipation problem; And combine advanced control algorithms to enhance the efficiency and stability of power generation. This research achievement aims to enhance the performance of permanent magnet synchronous generators under high-speed conditions, which can provide technical support and theoretical references for the optimization and upgrading of the power system of new energy vehicles, and thereby contribute to the sustainable development of the new energy vehicle industry.

关键词

新能源汽车 / 永磁同步发电机 / 电磁设计 / 结构改进 / 冷却系统

Key words

New energy vehicles / Permanent magnet synchronous generator / Electromagnetic design / Structural improvement / Cooling system

参考文献

[1] 唐小春, 于冰, 许时杰, 等. 新能源汽车用永磁辅助同步磁阻电机噪声及续航优化研究[J]. 电机与控制应用, 2020, 47(01): 91-96.

[2] 范文超. 新能源汽车用永磁辅助同步磁阻电机设计[D].山东省:曲阜师范大学, 2023.

[3] 祁理想. 新能源汽车用永磁同步电机耦合偏心下振动噪声研究[D].安徽省:安徽大学, 2024.

[4] 罗润谦. 新能源汽车用永磁同步电机的研究现状[J]. 兵器材料科学与工程, 2023, 46(05): 154-158.