The basic principle of DSP digital control BOOST-PFC is presented. The small-signal power model of voltage loop and current loop is setup. The optimal parameters of control system are calculated in theory.
文中阐述了DSP数字控制BOOST-PFC的基本原理,建立了电压环、电流环的小信号功率模型,从理论上计算控制系统的最佳参数。
compared to the small-signal model, the proposed large-signal model can reflect more accurate of its voltage and current.
与Z源逆变器的小信号模型相比较,本文建立的大信号模型可以更为准确地反应Z源逆变器的实际工作电压、电流状况。
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