Power Factor Improvement in BL-Pseudo Boost Converter-based BLDC Motor Drive
DOI:
https://doi.org/10.37591/joci.v10i2.3339Abstract
Power factor correction (PFC) system increases the efficiency of power supply, delivering cost savings on electricity. Exchanging power supplies without PFC attract current short, high greatness beats. The beats can be smoothed out utilizing dynamic or inactive PFC procedures. This improves the power factor. A Bridgeless (BL) Pseudo boost converter is used for power factor correction in Brushless DC Motor (BLDC) drive. This converter working in spasmodic conduction mode (DCM) and utilizing a solitary voltage sensor. BLDC motor has many advantages such as high efficiency, it require little maintenance, high energy density. It is used to improve power quality and controlling the speed over wide range. This topology has the merits of less component counts. The bridgeless Pseudo boost offers low conduction losses due to elimination of diode bridge rectifier at the front end. BL-Pseudo boost converter has low Total Harmonic Distortion and improved power quality is achieved. The obtained power quality indices are within the acceptable limits of IEC 61000-3-2.
Keywords: Bridgeless (BL), brushless dc motor (BLDC), discontinuous conduction mode (DCM), pseudo boost, PFC, power, MATLAB, DBR, APFC
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