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A Method of Capacitor Voltage Ripple Reduction by Controlling Modulation Index Together with 2nd Order Current Injection for Modular Multilevel Converter
In this invention, a method of capacitor voltage ripple reduction for modular multilevel converter is proposed. In conventional control of MMC, capacitor voltage ripples consist of fundamental component and 2nd order component. That is because the module input power contains fundamental power and 2nd order power. With power flow analysis, the physical...
Published: 4/11/2016   |   Inventor(s): Yadong Lyu, Yi-Hsun Hsieh, Fred Lee, Qiang Li
Category(s): Electrical, Engineering, Transportation