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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2012-03-13
Analytical Computation of Reluctance Synchronous Machine Inductances Under Different Eccentricity Faults
By
Hamidreza Akbari

    Dr. Hamidreza Akbari

    Department of Electrical Engineering

    Islamic Azad University

    Iran

    Homepage

Progress In Electromagnetics Research M, Vol. 24, 29-44, 2012
doi:10.2528/PIERM11102005 | Google Scholar

Abstract
In the previous works, based on winding function theory, the calculation of reluctance machine inductances is carried out using numerical integration or inexact analytical equations based on approximated Fourier series expansions of the inverse air gap function. In this paper, development in Fourier series of the inverse air gap function has not been used, but a closed form analytical equation is developed for inductances calculation. This leads to a very precise computation of the inductances of the faulted machine and more accurate results. Moreover, all space harmonics ignored by the Fourier series expansions of the inverse air gap function will be included in the model. Derived comprehensive equation allows calculating time varying inductances of reluctance machines with different static, dynamic and mixed eccentricities in the frame of a single program. Inductances obtained by the proposed method are compared to those obtained from FE results. A satisfactory match was found between them.
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Citation
Hamidreza Akbari, "Analytical Computation of Reluctance Synchronous Machine Inductances Under Different Eccentricity Faults," Progress In Electromagnetics Research M, Vol. 24, 29-44, 2012.
doi:10.2528/PIERM11102005
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