Single Phase Multilevel Inverters with Simple Control Strategy Using MATLAB
نویسندگان
چکیده
This paper presents the simulation of 3, 5, 7level inverters. The realization of these three different levels is done by cascading one, two, three H-bridges in series respectively in MATLAB. The use of simple control strategy which is applied for switching the switches at appropriate conducting angles with proper delays is presented in this paper. The reduction in harmonics is done with the help of multilevel inverter and high quality of voltage waveforms is produced with large no of steps in an inverter. The simulation of single phase 3, 5, 7level inverters done in MATLAB/ Simulink with FFT spectrum along with the THD value.Total harmonic Distortion (THD) and Fast Fourier Transform (FFT) spectrum analysis of multilevel inverter with the help of MATLAB/Simulink. It has been found that cascaded technique reduces the total harmonic distortion as compared to conventional multilevel inverters. The topology used in this technique reduces the number of power switches when compared to the conventional cascaded H-bridge multilevel inverter. Keywords—Cascaded H-Bridge Inverters,Multilevel Inverters, MATLAB/Simulink, THD
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