Hence, Evolutionary optimization algorithms are used for solving those equation. Using Conventional approach to solve those equations does not guaranteed the optimal solution and may stuck in the local minima. This technique eliminates the pre-selected lower order harmonics which are more dominant into the nature while satisfying the fundamental component of output voltage, but the major issue is to solve the set of nonlinear harmonic equations derived from Fourier analysis of the output waveform of multilevel inverter. To eliminate the harmonics, Selective Harmonics Elimination Pulse Width Modulation technique is used for a better power quality output. For improving efficiency of multilevel inverter, harmonics has to be eliminated. This paper aims to extend the knowledge about the performance enhancement of cascaded multilevel inverter by using heuristic optimization methods.
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