一种基于级联子模块的直流斩波器梯形调制策略

The cascaded submodule-based dc chopper (DCC) is a crucial fault ride-through device for remote offshore wind power systems utilizing voltage source converter-based high voltage direct current technology. In scenarios of significant surplus power, the traditional sinusoidal modulation strategy requires submodules (SMs) of DCC to provide a negative voltage to realize the SM capacitor charge–dischar...