Matlab simulink model of cuk pfcorrected bldc motor drive

The techniques to improve the efficiency of motor drive by power factor correction play an important role in the energy saving during energy conversion. The ac-dc conversion of electric power is usually required for the BLDC motor drive, nevertheless, it causes many current harmonics and results in the poor power factor at the input ac mains. The use of a permanent-magnet brushless dc motor (PMBLDCM) in low-power appliances is increasing because of its features of high efficiency, wide speed range, and low maintenance. This paper deals with the power factor correction of BLDC motor with Cuk dc–dc converter. A three-phase voltage-source inverter is used as an electronic commutator to operate the PMBLDCM.