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- W2387991432 abstract "According to the demand of internal fault analysis of power transformer and corresponding protection,the defects in determining inductance parameter by existing linear simulation models for power transformer are researched.The crux of the defects is that the variation of internal magnetic field of power transformer and the nonlinear saturation characteristic of transformer core are not taken into account while the internal fault occurs,thus it is inaccurate to simulate and calculate inductance parameter of power transformer during its internal faults by its linear model.For this reason,a nonlinear simulation model for internal faults of power transformer is proposed,which uses finite element analysis to calculate transformer parameters after internal faults,and on this basis a equivalent circuit model is formed to obtain the values of current and voltage to be researched.To validate the proposed nonlinear model,the result of simulation experiment of internal fault of a simulated power transformer is compared with test data of dynamic simulation,and comparison result shows that the proposed nonlinear model for internal fault of power transformer is correct." @default.
- W2387991432 created "2016-06-24" @default.
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- W2387991432 date "2009-01-01" @default.
- W2387991432 modified "2023-09-25" @default.
- W2387991432 title "A Nonlinear Model to Calculate Post-Internal Fault Parameters of Power Transformer" @default.
- W2387991432 hasPublicationYear "2009" @default.
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