THD minimization applied directly on the phase voltage of multilevel inverters by using ICA. | [Science International • 2014]

Author(s):

1. Adeleh Shahipour: Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran

2. Behrooz Vahidi: Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran

3. Javad Shokrolahi Moghani: Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran

Abstract:

Total harmonic distortion (THD) minimization is a new Switching Strategy which is used in multilevel Inverters. The aim of THD Minimization strategy is eliminating THD. Generally, THD equations are nonlinear and solving them is a major problem. Evolutionary Algorithms (EA) have shown an effective ability for this aim. Recently, Continuous Genetic Algorithm (CGA) has widely applied in this area. In this paper, a new EA, called Imperialist Competitive Algorithm (ICA), is applied for this problem. The results of comparison between these methods show a specific privilege of ICA over other methods. The comparison is based on probability of converging to global minimum. The comparison is done for 7 level inverters as case studies.

Page(s): 57-63

DOI: DOI not available

Published: Journal: Science International, Volume: 26, Issue: 1, Year: 2014

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