Power Transformer under Short-circuit Fault Conditions: Multiphysics Approach to Evaluate the Robustness

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Transformers’ windings experience mechanical loads from electromagnetic forces due to the currents they carry. Power transformers can suffer from high sudden short-circuit currents. These short-circuit currents are a significant threat, not only from an electrical but also from the structural integrity point of view. In this paper, coupled electromagnetic and structural mechanics simulations are carried out to evaluate short-circuit fault risks in a comprehensive and accurate way.
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