Abstract
The modular multilevel converter (MMC) hardware platform is of great significance to the research of control and protection before engineering operation. In practical engineering, each bridge arm is composed of many submodules (SMs) cascaded, which brings significant challenges to the research. In this paper, a controller based on a field programmable gate array (FPGA) is designed for hybrid MMC, and a hardware platform is built on this basis. The platform fully uses the parallel characteristics of FPGA to improve the calculation speed of the controller. It optimizes the SM capacitor voltage sorting method to shorten the sorting time significantly. The stability experiment verifies that the hardware platform can be applied to the research of hybrid MMC.
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