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Modular multilevel converter (MMC) is a newly introduced topology of multilevel converter with six arms, each of which is formed by a series connection of several chopper-cells and an inductor. This paper first analyzes the topology and working principle of high-voltage large-capacity MMC. Then, a novel control strategy and its system solution are proposed and explained in details, including staircase...
Modular multilevel converter (MMC) is a newly introduced topology of multilevel converter, which is based on cascade connection of chopper-cells per leg. This paper presents a novel topology of MMC, in which, based on traditional topology of MMC, H-bridge (HB) cells are used for more levels of output voltage. Corresponding control strategy is presented and explained in details, including phase-disposition...
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