A NOVEL APPROACH FOR THE ANALYSIS OF A THYRISTOR- CONTROLLED INDUCTION MOTOR

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Published Sep 30, 2014
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Vol 15 No 2 (2015): Volume 15 / 2015

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Dr. Mohammed E. Elfaraskoury
Faculty of Engineering (Shoubra), Benha University, Electrical Engineering Department, 108 Shoubra St., Cairo, Egypt.
Dr. Mahmoud A. Al-Ahmar
Faculty of Engineering (Shoubra), Benha University, Electrical Engineering Department, 108 Shoubra St., Cairo, Egypt.
Professor Dr. Ibrahim A. M. Abdel-Halim, FIET
Faculty of Engineering (Shoubra), Benha University, Electrical Engineering Department, 108 Shoubra St., Cairo, Egypt.
Eng. Ehab M. MAHMOUD
Faculty of Engineering (Shoubra), Benha University, Electrical Engineering Department, 108 Shoubra St., Cairo, Egypt.

Abstract

In this paper, analytical expressions to obtain directly the extinction angle for the two modes of operation, mode (2/3) and mode (0/2), for a thyristor-controlled induction motor are presented. The extinction angle values obtained analytically are used to obtain performance characteristics of the thyristor-controlled induction motor, and the results were compared with those obtained when numerical methods are used to obtain the extinction angle, and the two sets of results were found to be in very close agreement.

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