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Transient simulation of power transformers using 3D finite element model coupled to electric circuit equations

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5 Author(s)
Tang Renyuan ; Res. Inst. of Special Electr. Machines, Shenyang Univ. of Technol., China ; Wang Shenghui ; Li Yan ; Wang Xiulian
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This paper presents a three-dimensional coupled approach for transient simulation of electromagnetic devices. The approach is based on the A-V-A formulation, in which the eddy current field and the electric circuit equations are solved simultaneously. The Newton-Raphson procedure has been used to take the magnetic non-linearity into account. The transient short-circuit state of a 240000 kVA power transformer is simulated by the coupled approach

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Magnetics, IEEE Transactions on  (Volume:36 ,  Issue: 4 )