Microcontroller Based Constant Speed Low Cost Energy Efficient BLDC Motor Drive Using Proteus VSM Software

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Provided by: International Journal of Electrical, Electronics and Computer Engineering (IJEECE)
Topic: Software
Format: PDF
In this paper, the authors present a microcontroller based 120-degree six-step control algorithm for designing a low cost 3-phase trapezoidal back-emf permanent magnet BLDC motor drive for its variable torque constant speed applications. This has been done by controlling the voltage by using simple buck-converter topology. In buck converter, the inbuilt Pulse Width Modulation (PWM) feature of the PIC16F877A microcontroller has been adopted. The drive design is incorporated with feature for storing the dissipative energy during freewheeling period.
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