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Image Caption
Simulation results for temperature field within a 630 kVA transformer station for a short-circuit test scenario are shown along the center of the core (left) and across the core (right).
  
From:
Application: Predicting Transformer Hot Spots Using Multiphysics Simulation
Posted Thu February 14, 2008 @05:34PM
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Application By Jacek Smolka and Andrzej J. Nowak,
Silesian University of Technology,
Gliwice, Poland

Electrical transformers transfer current from one circuit to another. Their primary purpose is to reduce the voltage in the electrical energy that is being delivered in order to supply devices at appropriate voltage level.

Transformers normally consist of multiple sets of coils, also known as windings, which wrap around a ferromagnetic core. The coils are responsible for either inducing a magnetic field or assuming a transferred, induced current created by that magnetic field. This process results in high temperatures (hot spots) in the core and coils, which directly influence power losses and durability.

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