H-bridge multilevel inverter-2

Fundamental frequency switching strategies of a seven-level hybrid cascaded H-bridge multilevel inverter

FREE-DOWNLOAD [PDF] Z Du, LM Tolbert, B Ozpineci… – … , research Transactions on, 2009
Abstract—This paper presents a cascaded H-bridge multilevel inverter that can be implemented
using only a single dc power source and capacitors. Standard cascaded multilevel inverters
re- quire n dc sources for 2n + 1 levels. Without requiring trans- formers, the scheme