A BL-CSC converter-fed BLDC motor drive with power factor correction

Singh, Bhim ; Bist, Vashist (2015) A BL-CSC converter-fed BLDC motor drive with power factor correction IEEE Transactions on Industrial Electronics, 62 (1). pp. 172-183. ISSN 0278-0046

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Official URL: http://ieeexplore.ieee.org/document/6823658/

Related URL: http://dx.doi.org/10.1109/TIE.2014.2327551


This paper presents a power factor correction (PFC)-based bridgeless canonical switching cell (BL-CSC) converter-fed brushless dc (BLDC) motor drive. The proposed BL-CSC converter operating in a discontinuous inductor current mode is used to achieve a unity power factor at the ac mains using a single voltage sensor. The speed of the BLDC motor is controlled by varying the dc bus voltage of the voltage source inverter (VSI) feeding the BLDC motor via a PFC converter. Therefore, the BLDC motor is electronically commutated such that the VSI operates in fundamental frequency switching for reduced switching losses. Moreover, the bridgeless configuration of the CSC converter offers low conduction losses due to partial elimination of diode bridge rectifier at the front end. The proposed configuration shows a considerable increase in efficiency as compared with the conventional scheme. The performance of the proposed drive is validated through experimental results obtained on a developed prototype. Improved power quality is achieved at the ac mains for a wide range of control speeds and supply voltages. The obtained power quality indices are within the acceptable limits of IEC 61000-3-2.

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Deposited On:07 Aug 2017 12:22
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