Power electronics is an innovative and expanding area in electrical engineering. Recent advances in high power devices permit the control and flow of electric energy efficiently. The digital nature of power switching devices makes the control of electric power switching circuits convenient with the use of digital signal processors. Power electronics has widespread applications in today’s industry such as in power supplies, variable speed drives, automotives, marine, etc. In this lecture, I will describe progress in design of various electric machines and power electronics converters for a variety of applications such as wind turbines, high speed flywheel energy storage systems, hybrid electric vehicles, ship propulsion, washing machines, etc.