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Transformer Engineering, 2nd Edition by S.A. Khaparde, S.V. Kulkarni

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12

Electromagnetic Fields in Transformers: Theory and Computations

A transformer is a complex 3-D electromagnetic device. Although a static device and simple enough in principle, it is built from a complex assembly of several components such as the core, windings, insulation, tank, and several accessories. A three-phase transformer is a multiphase structure having materials with nonlinear characteristics and anisotropic properties. Superimposition of various physical fields (electromagnetic, thermal, structural, acoustic, fluid, etc.) poses a real challenge to its designer. Many times, there are conflicting design requirements for these different fields. Advanced field computations involving coupled analysis of the electromagnetic field and the ...

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