Power Quality Improvement in PMBLDCM Drive using PFC SEPIC Converter for Air Conditioner
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 2, Issue 7
Abstract
In this paper, an improved power quality converter employing Single Ended Primary Inductor (SEPIC) converter topology is used to feed a permanent magnet brushless DC motor (PMBLDCM) drive. Normally, the PMBLDCM drive has a three-phase voltage source inverter (VSI) and a PMBLDCM which is fed from single-phase AC mains through a diode bridge rectifier (DBR). In this proposed system a SEPIC DC-DC converter is used after the DBR and it performs power factor correction (PFC) at input AC mains and voltage control at DC link, in a single-stage. The proposed PMBLDCM drive is designed, modeled and its performance is evaluated in Matlab- Simulink environment for an air conditioner (Air-Con) load. The speed of the compressor is controlled for efficient operation of the Air-Con which results in controlling the temperature in the conditioned area at the set point, effectively. Obtained results are presented to demonstrate an improved power quality of PFC converter based PMBLDCM drive in wide range of the speed and input AC voltage besides improved efficiency of an Air-Con system.
Authors and Affiliations
Athiyaman S*1,
Keywords
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