In the present work the authors propose a solar powered cascaded multilevel inverter which can be integrated with the grid. To connect the solar photovoltaic system to the grid a dc to ac conversion of power is required which is made possible using a multilevel inverter, but the power electronic switches introduces harmonics during the switching process. Thus the investigators propose a selective harmonic elimination technique using Genetic Algorithm and Differential Evolution Optimization Techniques. The performance comparisons of the proposed techniques will be carried out by comparing the Total Harmonic Distortion (THD) and the selective harmonics such as 5th, 7th,11th and 13th using FFT analysis in MATLAB/SIMULINK. The authors anticipate that the comparative analysis presented in this work will be very useful for further research.

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