Abstract
This paper proposes a new converter topology for torque ripple reduction in Brushless DC (BLDC) motor. Due to the torque ripple problem, the use of this motor is limited to few applications. In this paper, a Single Input Double Output (SIDO) converter is proposed to suppress the torque ripple in BLDC motor. The proposed SIDO converter provides two output voltages. One for supplying the motor throughout conduction time and second output voltage is given to the non-commutating phase of motor during commutation instants. This proposed SIDO converter is fed from Photo Voltaic (PV) system. This paper also presents a new Maximum Power Point Tracking (MPPT) based on trisection of Power-Voltage characteristics (TPVC) to attain the maximum power from the PV system. This scheme takes only 7 iterations to reach MPP. The intended configuration is developed and simulated in Matlab/Simulink environment. The results justify the superiority of proposed scheme that minimizes torque ripple in BLDC motor to only 6 to 12% from 50 to 80 % in conventional scheme and also extracts maximum power from PV system. ©2019. CBIORE-IJRED. All rights reserved
Highlights
There is momentous gain in the recognition earned by Brushless DC (BLDC) motor
This paper proposes a novel Maximum Power Point Tracking (MPPT) scheme based on trisection of Photo Voltaic (PV) characteristics
The simulation is done in Matlab/Simulink environment to carry out analysis of the performance of the BDLC motor drive with proposed Single Input Double Output (SIDO) converter
Summary
There is momentous gain in the recognition earned by BLDC motor. The BLDC motor is broadly used in many applications such as aerospace, robotics, automobile industry, traction system and medical instruments (Huang et al 2012). A novel converter topology is proposed for obtaining the minimal torque ripple. This paper proposes a novel converter which provides two output voltages from a single input These two outputs are used to supplying the voltage source inverter (VSI) by using a proper switching selector. The proposed SIDO converter provides two output voltages VA and VB In this intended configuration, during conduction and commutation instants the desired voltage is obtained through selection of proper switch that feeds the VSI with right voltage level. This is done by varying the duty cycle of SIDO converter.
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