International Journal of Recent Trends in Engineering & Research

online ISSN

POWER FACTOR CORRECTED ZETA CONVERTER BASED IMPROVED POWER QUALITY SWITCHED MODE POWER SUPPLY

Publication Date : 10/04/2016


Author(s) :

NAGARAJAN. M , KARUNAKARAN. N , KAVIN. S. N , MOHAN BABU. S , NAGARAJ. S.


Volume/Issue :
Volume 2
,
Issue 4
(04 - 2016)



Abstract :

Power Factor, the ratio between the real or average power and the apparent power forms a very essential parameter in power system. It is indicative of how effectively the real power of the system has been utilized. With rapid development in power semiconductor devices, the usage of power electronic systems has expanded to new and wide application range that include residential, commercial, aerospace and many others. Power electronic interfaces e.g. switch mode power supplies (SMPS) have proved to be superior over traditional linear power supplies. The current drawn by the SMPSs from the line is distorted resulting in a high Total Harmonic Distortion (THD) and Low Power Factor (PF).Hence, there is a continuous need for power factor improvement and reduction of line current harmonics. Development of new circuit topologies and control strategies for Power Factor Correction (PFC) and harmonic reduction has become still more essential with the introduction of strong technical IEC standards. The work initially involves simulation of basic power electronic circuits and the analysis of the current and voltage waveforms. It starts with simple circuits with a gradual increase in complexity by inclusion of new components and their subsequent effect on the current and voltage waveforms. We focus on the objective of improving the input current waveform i.e. making it sinusoidal by tuning the circuits.


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