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Power Quality Improvements in a Zeta Converter Using Brushless DC Motor
Abstract--Two stage PFC converters are widely in practice in which first stage is used for the power factor correction which is preferably a boost converter and second stage for voltage regulation which can be any converter topology depending upon the requirement . This two stage topology is complex and results in higher cost and more losses. A sensorless approach is used to detect the rotor position for electronic commutation. A blind start up is used for starting the BLDC motor. A high frequency MOSFET of suitable rating is used in the front end converter for its high frequency operation whereas an IGBT‘s (Insulated Gate Bipolar Transistor) are used in the VSI for low frequency operation.
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International Journal for Trends in Technology & Engineering © 2015 IJTET JOURNAL