Conference Proceeding

A Voltage Controlled PFC Cuk Converter Based PMBLDCM Drive for Air-Conditioners

Electr. Eng. Dept., Indian Inst. of Technol. Delhi, New Delhi, India
Conference Record - IAS Annual Meeting (IEEE Industry Applications Society) 11/2010; DOI:10.1109/IAS.2010.5616903 In proceeding of: Industry Applications Society Annual Meeting (IAS), 2010 IEEE
Source: IEEE Xplore

ABSTRACT This paper deals with a Cuk DC-DC converter as a single-stage power factor correction (PFC) converter for a permanent magnet brushless DC motor (PMBLDCM) fed through a diode bridge rectifier (DBR) from a single-phase AC mains. A three-phase voltage source inverter is used as an electronic commutator to operate the PMBLDCM driving an air conditioner compressor. The speed of the compressor is controlled to achieve optimum air-conditioning using a concept of the voltage control at DC link proportional to the desired speed of the PMBLDCM. The stator currents of the PMBLDCM during step change in the reference speed are controlled within the specified limits by an addition of a rate limiter in the reference DC link voltage. The proposed PMBLDCM drive with the voltage control is designed, modeled and its performance is evaluated in Matlab-Simulink environment. The obtained results are presented to demonstrate an improved power quality (PQ) at AC mains of the PMBLDCM drive system in wide range of the speed and the input AC voltage.

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Keywords

air conditioner compressor
 
Cuk DC-DC converter
 
DC link proportional
 
desired speed
 
diode bridge rectifier
 
improved power quality
 
input AC voltage
 
obtained results
 
optimum air-conditioning
 
paper deals
 
permanent magnet brushless DC motor
 
PMBLDCM drive system
 
proposed PMBLDCM drive
 
rate limiter
 
reference DC link voltage
 
single-phase AC mains
 
single-stage power factor correction
 
stator currents
 
three-phase voltage source inverter
 
voltage control