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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Motaparthi Nagaraju
Koneru lakshmaiah education foundation
Control & Systems Engineering Electrical & Electronics Engineering

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Analysis of series/parallel multilevel inverter with symmetrical and asymmetrical configurations Motaparthi Nagaraju; Malligunta Kiran Kumar
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 10, No 1: March 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1541.611 KB) | DOI: 10.11591/ijpeds.v10.i1.pp300-306

Abstract

Usage of high power and medium voltage applications in domestic and industrial purpose has been increased in the recent years. Also, the penetration of renewable energy sources is increasing rapidly. To make use the renewable energy sources there is a need of using inverters. The basic inverter is conventional two level inverter which produces the square wave output voltage. The major drawback of conventional inverter is it contains more harmonics. Therefore, multilevel inverters have been introduced with staircase output voltage waveform. Lot of multilevel inverter topologies have been developed and cascaded H bridge type is the more frequently used. But, it requires more number of switches for higher output voltage level. In this paper, a novel 7 level asymmetrical multilevel inverter topology is proposed with less number of switches. This proposed topology is compared with already existing topology. The simulation of circuit and result analysis of the circuit is carried out by using Matlab/simulink software. The comparison between existing topology and proposed topology is given. The results are discussed and presented.
Co-Authors Malligunta Kiran Kumar