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Global Journal of Engineering, Design & Technology
Open Access

ISSN: 2319-7293

+44-20-4587-4809

Abstract

Comparative Analysis of Selective Harmonic Elimination of Multilevel Inverter using Genetic Algorithm

S.Saha, C.Sarkar, P.K. Saha & G.K. Panda

This paper focuses on, elimination of harmonics of a cascaded multilevel voltage source inverter. Here the basic concept is to eliminate specific harmonics with a proper choice of switching angles. In this paper Genetic Algorithm (GA) optimization technique is use to achieve proper switching angles for reduce the THD and elimination of a selective lower order harmonics with fundamental components at the desired values. As a case study, the proposed method is simulated on a seventeen levels and fifteen levels inverter and optimum switching angles are determined to eliminate low order harmonics and to minimize THD. Comparative analysis has been done between seventeen levels and fifteen levels with respect to the consideration of THD.

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