Cascaded H-Bridge Five-Level Inverter for Grid-Connected Photovoltaic System Using Proportional–Integral Controller - Melba Mary Paul Raj, Sivagama Sundari Meenakshi Sundaram, 2016
PDF] Overview of three-phase inverter topologies for distributed generation purposes | Semantic Scholar
A simple modular multilevel inverter topology for the power quality improvement in renewable energy based green building microgrids - ScienceDirect
Optimum SHEPWM for a new 21-level inverter topology using numerical optimization methods: experimental comparative study - Fayçal Chabni, Rachid Taleb, M'hamed Helaimi, 2018
Introduction to Multilevel Inverters - The Engineering Projects