Conference Papers

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Author: search.filters.author.I Vittal, K.P.Subject: search.filters.subject.Sensorless control

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    Review of developments in BLDC motor controllers along with study of four-quadrant operation and active Power Factor correction
    (Institute of Electrical and Electronics Engineers Inc., 2016) Krishnan, T.V.; Samskrit; I Vittal, K.P.
    This paper presents a review on recent developments in BLDC motor controllers and studies on four quadrant operation of BLDC drive along with active PFC. The main areas reviewed include Sensor-less control, Direct Torque Control (DTC), Fuzzy logic control, controller for four quadrant operation and active Power Factor Corrected (PFC) converter fed BLDC motor drive. A comprehensive study has been done on four quadrant operation and active PFC converter fed BLDC motor drive with simulation in MATLAB/SIMULINK. The proposed control algorithm for four quadrant operation detects the speed reversal requirement and changes the quadrant of operation accordingly. In PFC converter fed BLDC motor drive, a Boost converter working in continuous current mode is designed to improve the supply power factor. © 2015 IEEE.