Multilevel inverters are a class of power switching topologies aimed at high power applications suchas motor drives and static power conditioning systems. A conventional full-bridge inverter can applyonly two levels of voltage other than zero across their load. In multilevel inverters, an increasednumber of power switches are configured to provide several levels of voltage to the load. The invertercan then be controlled to synthesise an approximate sinusoid from the voltage levels available.Multilevel inverters have several benefits compared with the standard full-bridge inverter. They allowexisting power switches to be used in systems where the dc-link and output voltages are higher thanthe individual switch ratings, and the individual power device operating frequency can be reducedthrough the increased voltage synthesis flexibility offered by the extra voltage levels. In motor drives,the voltage stress across the winding is reduced due to the lower voltage steps applied.