Implementation of PMBLDC Motor using Cuk PFC Converter
Padmini Sahu1, Anurag Singh Tomer2

1Padmini Sahu, CSVTU, Rungta College of Engineering & Technology, Bhilai (C.G.), India
2Prof. Anurag Singh Tomer,, CSVTU, Rungta College Of Engineering & Technology, Bhilai (C.G.), India

Manuscript received on July 01, 2012. | Revised Manuscript received on July 06, 2012. | Manuscript published on July 10, 2012. | PP: 204-210 | Volume-1, Issue-2, July 2012. | Retrieval Number: B0187071212/2012©BEIESP
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Abstract: This paper aims at an improve speed quality employing Cuk DC-DC converter is used as a power factor correction (PFC) converter for feeding a voltage source inverter (VSI) based permanent magnet brushless DC motor (PMBLDCM) driven air condition. This PFC converter is front end diode bridge rectifier (DBR) fed from single-phase AC mains and connected to a three phase voltage source (VSI) feeding the permanent magnet brushless DC motor (PMBLDCM). The PMBLDC Motor is used to drive a compressor load of an air conditioner through a three-phase VSI fed from a controlled DC link voltage. The speed of the compressor is controlled to achieve energy conservation using a concept of the voltage control at DC link proportional to the desired speed of the PMBLDC Motor. Therefore the VSI is operated only as an electronic commutator of the PMBLDCM. The stator current of the PMBLDCM during step change of reference speed is controlled by a rate limiter for the reference voltage at DC link. The proposed PMBLDCM drive with voltage control based PFC converter is designed, modeled and its performance is simulated in Matlab-Simulink environment for an air conditioner compressor driven PMBLDC motor. 
Keywords: Cuk Converter, Air Conditioner, Permanent Magnet Brushless DC Motor, Power Factor Correction, Voltage Control, Voltage Source Inverter.