期刊名称:International Journal of Engineering and Computer Science
印刷版ISSN:2319-7242
出版年度:2015
卷号:4
期号:4
页码:11501-11506
出版社:IJECS
摘要:This paper presents a specially designed cascaded H bridge multilevel inverter to increase the number of levels with reduced noof switches and best suited for medium voltage drive applications. An efficient approach to the voltage balancing issue isaddressed by implementing third harmonic injection. To enhance the balanced distribution of power in each cell, Multi carrierphase shifted pulse width modulation switching scheme is employed. The midpoint capacitor voltage in unit cells is achieved withtotal harmonic injection method. This new topology of inverter offers less amount of THD when comparing with the conventionalone. The validity of the proposed inverter is verified through MATLAB Simulink model and the scaled down prototype model isimplemented in hardware.