Abstract
This paper demonstrates an approach to minimize the harmonics contained in the output of a single phase full bridge inverter modulated by phase displacement control so as to improve the Total Harmonic Distortion (THD). With a view to reducing harmonics an LC low pass filter is used which blocks the harmonics and undeniably passes almost sinusoidal output at the output terminal and it is certainly true that THD has been improved to a great extent. An illustration of Fourier Transform has been provided in this paper in order to perceive both the fundamental and harmonics component precisely. It has been found from simulation that the Total Harmonic Distortion (THD) before and after the application of LC low pass filter is 33.34% and 0.003% respectively. That is why this LC low pass filter is quite effective to reduce THD of a 1-phase full bridge inverter.
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