On the feasibility of four-switch three-phase BLDC motor drives for low cost commercial applications: topology and control
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The main purpose of this paper is to describe a low cost four-switch brushless dc (BLDC) motor drive for commercial applications. For effective utilization of the developed system, a novel direct current controlled pwm scheme is designed and implemented to produce the desired dynamic and static speed-torque characteristics. Also, the feasibility of the four-switch converter is extended to two-phase BLDC motor drives and the six-switch converter for power factor correction and speed control. The operational principle of the four-switch BLDC motor drive and the developed control scheme are theoretically analyzed and the performance is demonstrated by both simulation and experimental results.
IEEE Transactions on Power Electronics
author list (cited authors)
Byoung-Kuk Lee, .., Tae-Hyung Kim, .., & Ehsani, M.
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