Abstract：In order to study the electromagnetic properties of the variable frequency motor at different temperatures and harmonics as well as the vibration characteristics considering the magnetostriction effect of silicon steel sheet,the magnetic properties of the silicon steel sheet in the core of the variable frequency motor at different temperatures and harmonics are first studied.The B-H curve,B-P curve and permeability curve of the silicon steel sheet are given.Secondly,the magnetostrictive characteristics of the silicon steel sheet are tested and analyzed to obtain the butterfly curve and the magnetostrictive single value curve.Based on the above test results,the electromagnetic performance and vibration of 1 140V/75kW variable frequency motor are simulated.The influence of temperature,harmonics and magnetostriction on the performance of silicon steel sheet isconsidered in the simulation process.Finally,avibration experiment of 1140V/75kW variable frequency motor is carried out,which provides a new idea for electromagnetic-vibration analysis of the variable frequency motor.
陈德志, 张玉庸, 白保东, 宋蒋雄. 不同温度及谐波下硅钢片电磁-力特性与变频电机振动[J]. 电工技术学报, 2020, 35(22): 4647-4656.
Chen Dezhi, Zhang Yuyong, Bai Baodong, Song Jiangxiong. Electromagnetic-Forceand Vibrationof Silicon Steel Sheetand Variable Frequency Motor under Different Temperature and Harmonic. Transactions of China Electrotechnical Society, 2020, 35(22): 4647-4656.
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2020, Vol. 35 
