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Computation of inrush current forces on transformer windings

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1 Author(s)
Adly, A.A. ; Fac. of Eng., Cairo Univ., Giza, Egypt

Inrush currents are frequently encountered during the switching process of transformers. The purpose of this paper is to present an investigation of forces that appear as a result of inrush currents. While both short circuit and inrush transformer situations might seem identical, they vary significantly from the core magnetization viewpoint. Three-dimensional computations have been carried out on a typical single-phase power transformer using the Hopfield neural network energy minimization technique. Results are given in the paper as well as comparison with short circuit forces

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Magnetics, IEEE Transactions on  (Volume:37 ,  Issue: 4 )