Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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VIT University

This letter systematically investigates and compares the performance characteristics of a variable-speed capacitor-run induction motor driving a domestic fan load using an ac voltage regulator and a single pulsewidth-modulated (SPWM) ac chopper. This proposal is a significant break from the conventional conclusion since it is shown that the SPWM ac chopper is inferior to the phase angle control scheme for a capacitor-run motor load. © 2006 IEEE.

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Department of Energy and Power Electronics

School of Electrical Engineering