We present a novel current-following SPWM inverter with delay-loop control.
研究了一种滞环控制的电流跟踪型SPWM逆变器。
But it is hard to realize the dual-loop instantaneous control with digital scheme, because there is delay time of sampling and computing and lack of real-time regulation for digital control.
数字控制器存在采样与计算延时，实时控制性差，采用数字控制器实现双闭环瞬时值控制比较困难。
By predicting the noise in the loop the delay of noise signal in digital feedback loop is compensated effectively, thus the control capability of the system on disturbance is enhanced.
通过在回路中对噪声进行预测，有效地补偿了数字反馈回路造成的噪声信号的延迟，从而改善了系统的扰动控制性能。
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