Improvement of impulse voltage distribution of transformer windings

Zhao, W.

Improvement of impulse voltage distribution of transformer windings

Master thesis (2020)

Authors

W. Zhao Electrical Engineering, Mathematics and Computer Science

Contributors

Mohamad Gaffarian Ghaffarian Niasar DC systems, Energy conversion & Storage (mentor)

P. Vaessen DC systems, Energy conversion & Storage (mentor)

Faculty

Electrical Engineering, Mathematics and Computer Science, Electrical Engineering, Mathematics and Computer Science

Fringing effect Voltage response distribution Inter-shielding methods Turninterleaving methods Improvement factor Decrease factor Disc series capacitance Mutual inductance Lightning overvoltages Eddy currents Skin effect

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Published Date

28-08-2020

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

With the aid of the analytical formulas of the disc pair model inter-shielded by different type of shield wires, the total series capacitance of the disc pair could be calculated. After introducing a number of inter-shield pairs to the disc pair model, the influence on the mutual inductance between discs has been thoroughly discussed. Last but no least, after comparing the figures for the voltage response distribution among different configurations and different type of inter-shield pairs, the case which could contribute to the best voltage response performance is selected.

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