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Fekari, Seyyed Amir,Iranaq, Ali Reza Marami,Sabahi, Mehran Journal of International Conference on Electrical 2014 Journal of international Conference on Electrical Vol.3 No.3
In this paper, a new switching pattern is presented for multilevel inverters. With changing off-angel of each switch, the on time interval of all switches will approximately be equal and then the lifetime of inverter will increase, also using this method can reduce electrical stress on switches in higher levels of inverter. Switching angels as for desired modulation index are calculated using genetic algorithm whereas selective harmonics are controlled within the allowable range. The computed angels are simulated in Matlab/Simulink for respective circuits to validate the results.