Investigation of Modified New Hybrid Multilevel Inverter Topology with Reduced Switches

Abstract

In this article, a modi ed new hybrid mul- tilevel inverter is suggested. This system consider- ably diminishes the switches to twenty-seven to pro- duce fteen-level, three-phase output, whereas a tradi- tional multilevel inverter requires more semiconductor switches. The projected multilevel inverter considerably crops better response and stretches high e ciency of 98.35% owing to less switching and conduction losses, reduced cost, improved power quality, and high reliabil- ity. The nearest level control scheme is used for con- trolling the switching devices. Due to the lower counts of switches, complexity of the switching circuitry is less. The total standing voltage across the switches is 40Vdc and the cost function per unit is 5.714 for a weight co- e cient of 1, which is also less when compared to the traditional multilevel inverters. Total harmonic distor- tion produced by this inverter is 4.53%, which is under the IEEE standard of 5%. So, the suggested multilevel inverter is best-suitable for electric vehicles.