Power Factor Corrected Zeta Converter Based SMPS with High Frequency Isolation
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 5
Abstract
T Multiple output Switched Mode Power Supplies (SMPSs) for personal computers (PCs) and other equipments are normally depict extremely bad power quality indices at the utility interface such as total harmonic distortion of the input current being more than 80%, power factor being lower than 0.5 and output voltage regulation being very poor. So, they violate the limits of harmonic emissions set by international power quality standards. This work presents power quality improvement in a multiple output SMPS that yields regulated dc output voltages irrespective of line and load variations. Here a Zeta PFC converter is used for the development of computer SMPSs that are capable of drawing a purely sinusoidal current with unity PF, offering low rippled output which is the prime requirement of PCs. In this work, the Continuous Conduction Mode (CCM) of the Zeta converter have been analyzed and compared to select the best operating mode for a computer power supply application. The simulations of the circuit were done in PSIM and experimental results are also verified.
Authors and Affiliations
Rajeev K R, Dr. Bos Mathew Jos, Prof. Acy M Kottalil
Keywords
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