Research on Magnetostrictive Model for Oriented Silicon Steel under Service Conditions
Zhu Lihua1, Li Jingjing1, Zhu Jianguo2
1. School of Electrical Engineering and Automation Tiangong University Tianjin 300387 China; 2. School of Electrical and Information Engineering University of Technology Sydney Sydney NSW2000 Australia
Abstract：Magnetostrictive effect of silicon steel is the main source of vibration noise for power equipment such as transformers. In order to establish the magnetostrictive model for silicon steel, the magnetic domain rotation characteristics were considered and the related parameter k1 was added in the J-A model. Then, the magnetostrictive model of oriented silicon was established by combing the improved J-A model with the quadratic domain rotation model. The parameters in the model were extracted using the particle swarm optimization algorithm(PSO). Considering the working condition of power transformers, the magnetostrictive properties of oriented silicon steel were analyzed under ideal sine, harmonics and DC bias, respectively. The results showed that the magnetostrictive curves calculated by the model under the different conditions were in good agreement with the experimentally measured data. Therefore, the magnetostrictive model proposed in the paper can be used to simulate the magnetostrictive properties of oriented silicon steel under service conditions.
祝丽花, 李晶晶, 朱建国. 服役条件下取向硅钢磁致伸缩模型的研究[J]. 电工技术学报, 2020, 35(19): 4131-4138.
Zhu Lihua, Li Jingjing, Zhu Jianguo. Research on Magnetostrictive Model for Oriented Silicon Steel under Service Conditions. Transactions of China Electrotechnical Society, 2020, 35(19): 4131-4138.
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2020, Vol. 35 
