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Implementation of Single Phase Cascaded Multilevel Inverter with Multi-Carrier PWM Technique Connected to Grid

Journal: International Journal of Engineering and Techniques (Vol.4, No. 2)

Publication Date:

Authors : ;

Page : 526-532

Keywords : Cascaded H-Bridge; Total Harmonic Distortion; Fast Fourier Transform; Pulse Width Modulation; Modulation Index; PQ Control.;

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Multilevel inverters are generally used for high power and high voltage applications with reduced amount of harmonic content in its output voltage. Multilevel inverter with increasing number of levels significantly reduces the Total harmonic distortion. The reduced harmonic content in the output voltage is done using multicarrier PWM techniques. A five-level cascaded multilevel inverter with Multi-carrier PWM technique is implemented using MATLAB/SIMULINK. The total harmonic distortion of the output voltage is validated. Also the power flow from the inverter to the grid is validated after incorporating grid integration conditions and it is analyzed with LCL-Filter. A single-phase grid connected Cascaded Multi-level inverter is implemented to feed the grid by setting the reactive power to zero in MATLAB/SIMULINK.

Last modified: 2018-07-06 15:45:51