Abstract
AbstractThe objective of the paper is to analyse and compare the performance of three-phase Cuk-based inverter with PWM and SPWM techniques in the aspects of power quality using MATLAB/Simulink. In three-phase inverters configuration, a distinct method known as single-stage inverters, which has less control circuit complexity and requires minimum number of switching components, is implemented for this comparative analysis. Three-phase Cuk inverter is one of the capable methods to implement in grid-integrated and stand-alone applications. The normal PWM technique involves modulation of 50 Hz square wave with high frequency switching pulses, which was introduced originally for the inverters. Here, 125 kHz pulses are selected as high frequency switching pulses. In SPWM technique, a 50 Hz sine wave is modulated by high frequency switching pulses. Since sinusoidal signal is selected as modulating signal in SPWM, the harmonics are reduced when compared to other PWM control techniques.KeywordsMATLAB/SimulinkPulse width modulation (PWM)Sinusoidal pulse width modulation (SPWM)Three-phase Cuk inverter (TCI)Total harmonic distortion (THD)
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