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This article discusses the mathematical model of synchronous motors and modular multilevel converters, analyzes and compares the characteristics of different numerical solution methods when calculating the state equation of synchronous motors, and studies and elaborates on the topology structure and control strategy of DSCC modular multilevel converters. Simulate the operating status and port voltage and current characteristics of a loaded synchronous motor by controlling its gate on/off through a digital controller.
Gao et al. (Mon,) studied this question.