Numerical Analysis on Short-Circuit Force Parameters of Windings for Power Transformer

Jian Jun Liu; Jian Min Wang; Chong You Jing; Chang Zai Fan; Yuan Zhai

doi:10.4028/www.scientific.net/AMM.138-139.764

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 138-139Numerical Analysis on Short-Circuit Force...

Numerical Analysis on Short-Circuit Force Parameters of Windings for Power Transformer

Abstract:

The Simplified model of both calculating leakage magnetic field and mechanical force of windings at short circuit condition for a 120MVA/220kV power transformer is set up. The leakage magnetic field ‚ short-circuit force and stress in transformer windings are analyzed and their distributing characteristics are acquired respectively by using FEM. The calculation method and results are validated by withstanding short circuit strength test of the product. A number of useful suggestions are given for design of power transformers.

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Periodical:

Applied Mechanics and Materials (Volumes 138-139)

Pages:

764-769

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.138-139.764

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Online since:

November 2011

Authors:

Jian Jun Liu, Jian Min Wang, Chong You Jing, Chang Zai Fan, Yuan Zhai

Keywords:

Leakage Magnetic Field, Short-Circuit Force, Stress, Transformer, Windings

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References

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