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Computation and Analysis of the DC-Biasing Magnetic Field by the Harmonic-Balanced Finite-Element Method
International Journal of Energy and Power Engineering
Volume 5, Issue 1-1, February 2016, Pages: 31-36
Received: Sep. 21, 2015; Accepted: Sep. 21, 2015; Published: Oct. 12, 2015
Authors
Xiaojun Zhao, Department of Electrical Engineering, North China Electric Power University, Baoding, China
Dawei Guan, Department of Electrical Engineering, North China Electric Power University, Baoding, China
Fanhui Meng, Department of Electrical Engineering, North China Electric Power University, Baoding, China
Yuting Zhong, Department of Electrical Engineering, North China Electric Power University, Baoding, China
Zhiguang Cheng, Institute of Power Transmission and Transformation Technology, Baobian Electric Co., Ltd, Baoding, China
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Abstract
This paper sought to present harmonic-balanced method for finite element analysis of nonlinear eddy current field. The harmonic-balanced method can be used to compute the time-periodic electromagnetic field in harmonic domain, considering electric circuits coupled with the nonlinear magnetic field. 2-D and simplified 3-D model of laminated core is established and computed to prove the accuracy and validity of the proposed method. The calculated magnetizing current is compared with the measured results and the computed magnetic field is analyzed to investigate the effect of DC bias.
Keywords
Eddy Current, Finite Element Analysis, Harmonic Domain, Time-Periodic
Xiaojun Zhao, Dawei Guan, Fanhui Meng, Yuting Zhong, Zhiguang Cheng, Computation and Analysis of the DC-Biasing Magnetic Field by the Harmonic-Balanced Finite-Element Method, International Journal of Energy and Power Engineering. Special Issue: Numerical Analysis, Material Modeling and Validation for Magnetic Losses in Electromagnetic Devices. Vol. 5, No. 1-1, 2016, pp. 31-36. doi: 10.11648/j.ijepe.s.2016050101.14
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