Abstract
With the vast range of power electronic applications in modern engineering world, the need for better control of electronic devices is highly important. The control of power electronic converter is necessary in delivering power sourced from either conventional fossil fuel or renewable energy sources. Harmonic analysis in these power electronic converters can improve the necessary power needed, especially in reduction of power losses. The paper analyses the harmonic conditions by looking into total harmonic distortion (THD) in a three-level cascaded H-bridge (CHB) power converter. Fast Fourier Transform (FFT) waveform analysis will be used to observe the output waveforms’ performances. THD analysis and FFT will determine the amount of power that can be transferred. The CHB power converter can be used in devices such as static compensator (STATCOM), unified power factor compensator (UPFC) and other compensating devices in a power system. The THD & FFT analyses will be done using MATLAB/Simulink® software.
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