Hysteretic and Loss Modeling of Grain Oriented Silicon Steel Lamination under AC-DC Hybrid Magnetization
Zhao Xiaojun1, Wang Rui1, Du Zhenbin2, Yuan Dongwei1, Du Haiquan3
1. Department of Electrical Engineering North China Electric Power University Baoding 071003 China; 2. Hebei Provincial Key Laboratory of Electromagnetic＆Structural Performance of Power Transmission and Transformation Equipment Baoding 071056 China; 3. State Grid Liaocheng Power Supply Company Liaocheng 252000 China
Abstract The dynamic and static hysteresis properties as well as loss properties of grain oriented silicon steel lamination under the AC-DC hybrid excitation with both DC bias and harmonic are measured. Then the influence of different excitation factors (such as DC bias magnetic field intensity and harmonic order), on the iron loss is analyzed. A parameter identification method of Preisach model based on asymmetrical major hysteresis loop is proposed, which realizes the accurate simulation of static hysteresis loop. The methods of excess loss simulation and parameter extraction under AC-DC hybrid excitation are investigated. Based on the equivalent relationship between loss separation and magnetic field separation, the Preisach dynamic hysteresis model is obtained. The consistency between the simulated results and the measured ones verifies the validity and accuracy of the proposed method.
Wang Rui,Zhao Xiaojun,Wang Rui等. Hysteretic and Loss Modeling of Grain Oriented Silicon Steel Lamination under AC-DC Hybrid Magnetization[J]. Transactions of China Electrotechnical Society, 2021, 36(13): 2791-2800.
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2021, Vol. 36 
