1Jih-Sheng Lai, Fang Zheng Peng. Multilevel Converters-A New Breed of Power Converters[J].IEEE Trans on IA,1996, 32,(3): 509- 517.
2Hans Ertl Johann W.Kolar and Franz C. Zach, Analysis of a Multilevel Muhicell Switch-Mode Power Amplifier Employing the "Flying-Battery"Concept [J].IEEE Trans on IE, 2002,49 (4): 817- 823.
3Thierry A Meynard, Henri Foeh and Philippe Thomas, Muhicell Converters: Basic Concepts and Industry Applications[J].IEEE Trans on IE,2002, 49(5): 955-963.
4Jose Rodriguez, Luis Moran and Jorge Pontt, High-Voltage Mul- tilevel Converter With Regeneration Capability[J].IEEE Trans on IE, 2002,49(4): 839-845.