Symmetrically modified laddered H-bridge multilevel inverter with reduced configurational parameters

Abstract

Multilevel Inverters are incorporated in this modern world for medium and high-level applications for its adaptability to improve power quality problems. Its necessity is growing big in developing newer techniques and topologies for efficient implementation of DC to AC conversion system. Developing the MLI using less active switching components, less switching losses on active devices and improvement of number of voltage levels is always a tough task. A step forward to solve this problem is to modify the existing H-bridge multilevel inverter to produce Symmetrically Modified Laddered H-Bridge Multi-level Inverter (SMLHB-MLI). Comparative analysis has been carried out with other reputed existing MLI topologies to find out the performance and reduces complexity problem in inverter based on reduced switching methods in inverter side, reduction of active switching components and power diodes.