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A finite-element formulation for electromagnetic devices supplied by alternating voltages

    1. [1] Centro di Studi sui Sistemi, Italia
  • Localización: Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 3, Nº 1, 1984, págs. 1-15
  • Idioma: inglés
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  • Resumen
    • A finite‐element formulation is developed to analyze nonlinear electromagnetic devices in steady‐state conditions under specified alternating terminal voltages. The circuit equations are used to express current densities in terms of the unknown vector potential, so that only one nonlinear field equation must be solved. The mathematical formulation and the finite‐element and Fourier approximations are developed and the numerical algorithm used to solve the resulting block system is discussed. Finally, an application of the method to analyze an electromagnet with shading coils is presented.


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