With the strong DSP as the control unit, the design of main circuit structure is provided, and the control policy for the main circuit loop, the tuning of the triggering angle for thyristor are given.

• 在具体的系统实现中，变换器主回路选择环流控制方式，采用高性能dsp作为模糊控制核心，通过加权平均判决的模糊决策算法对变换器主回路晶闸管的触发角进行调制，从而有效控制输出电压波形。