Fast Evaluation of High Frequency Electromagnetic Force and Vibration for Electrical Machines Based on Field Reconstruction Technique

被引：0
|
作者：
Xu, Yunsong [1 ]
Fang, Haiyang [1 ]
Li, Dawei [1 ]
Qu, Ronghai [1 ]
Guo, Jiaxiong [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan, Peoples R China
来源：
2019 IEEE INTERNATIONAL ELECTRIC MACHINES & DRIVES CONFERENCE (IEMDC) | 2019年
基金：
中国国家自然科学基金;
关键词：
high frequency force; field reconstruction; structural transfer function; vibration;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper a semi-analytical method is introduced to calculate the high frequency electromagnetic force and vibration in electrical machines. Firstly, an efficient field reconstruction (FR) technique is utilized to calculate the high frequency magnetic field and force harmonics which are excited by current harmonics, such as the PWM side-band current harmonics in inverter fed machines. Then, the structural transfer function of the machine structure is obtained by static structural analysis and modal analysis. Thereafter, the vibration caused by high frequency current harmonics can be computed instantly by mode superposition. The proposed method is verified by the experiment results at the end of this paper.
引用
收藏
页码：1849 / 1854
页数：6
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