The effect of excitation current on radial electromagnetic force wave of tangential magnetizing parallel structure hybrid excitation synchronous motor

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-02-06 DOI:10.3233/jae-230016

Wendong Zhang, Liang Pang, Huoda Hu, Haihong Qin, Chaohui Zhao

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Abstract

To study the influence of the magnitude of the excitation current on the radial electromagnetic force wave of the tangential magnetizing parallel structure hybrid excitation synchronous motor (TMPS-HESM) under different working conditions. Firstly, the basic structure of the motor and the rotor magnetic circuit model is introduced. Secondly, considering the influence of excitation current, the Maxwell stress tensor method is used to analyze the radial electromagnetic force wave of the motor and the source, frequency and order of the radial electromagnetic force wave that has a great influence on the electromagnetic vibration of the motor are qualitatively obtained. Then, the three-dimensional finite element method is used to calculate the variation law of the radial electromagnetic force wave when different excitation currents are applied under no-load and load conditions, revealing that the DC excitation will increase the amplitude of the radial electromagnetic force wave of a specific order. Meanwhile, the influence of load torque variation on the radial electromagnetic force wave is discussed, and it is found that the (2f, 8) and (6f, 24) order electromagnetic force waves are greatly affected by the armature reaction. The work provides a theoretical basis for further suppressing the electromagnetic vibration of this type of hybrid excitation motor.

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励磁电流对切向磁化并联结构混合励磁同步电机径向电磁力波的影响

研究不同工况下励磁电流大小对切向磁化并联结构混合励磁同步电机（TMPS-HESM）径向电磁力波的影响。首先，介绍了电机的基本结构和转子磁路模型。其次，考虑励磁电流的影响，采用麦克斯韦应力张量法分析了电机的径向电磁力波，定性地得到了对电机电磁振动影响较大的径向电磁力波的来源、频率和阶次。然后，利用三维有限元法计算了空载和负载条件下施加不同励磁电流时径向电磁力波的变化规律，发现直流励磁会使特定阶次的径向电磁力波振幅增大。同时，讨论了负载转矩变化对径向电磁力波的影响，发现（2f，8）阶和（6f，24）阶电磁力波受电枢反作用力的影响较大。该研究为进一步抑制这类混合励磁电机的电磁振动提供了理论依据。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.