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This paper presents a performance analysis of a bridgeless buck-boost converter for driving brushless DC (BLDC) motors with a regulated DC voltage. The converter topology uses four MOSFETs, two diodes, an inductor, and a capacitor to switch the input voltage across the inductor and capacitor in a controlled manner. The paper discusses various design considerations, including component selection, control circuitry design, and operating parameters calculation. Simulation and experimental results show that the converter is able to provide a regulated DC voltage to the motor drive and control the speed of the motor. The paper analyses the converter's performance by calculating the efficiency, power factor, and total harmonic distortion of the output voltage. The analysis demonstrates that the converter achieves high efficiency and power factor, and low THD, making it a promising solution for driving BLDC motors. The paper concludes that further research is needed to optimize the converter's design and improve its performance by reducing switching losses, improving the control algorithm, and adding protective features like overcurrent and over-voltage protection.
Keywords:
Bridgeless (BL) buck–boost converter, brushless direct current (BLDC) motor, discontinuous inductor current mode (DICM), power factor corrected (PFC), power quality
Cite Article:
"Performance analysis of bridge less buck boost converter fed BLDC motor drive", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2455-2631, Vol.8, Issue 5, page no.123 - 131, May-2023, Available :http://www.ijrti.org/papers/IJRTI2305017.pdf
Downloads:
000205296
ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator