采用数字化逆变器来实现电力系统正弦电压信号功率的放大，利用DSP的高速处理能力，实现了逆变系统的高性能和高精度。

This digital amplifier consists of a digital inverter that can amplify the sine voltage signal power using a digital signal processor (DSP).

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数字化逆变器的控制采用TMS320F 240芯片来实现，在其软件中采用了用于电流预估计的PI控制算法和电压电流的双环控制。

The digital inverter is controlled by a TMS320F240 DSP chip, which applying the improved digital PI control arithmetic of the current prediction and the double control loops of voltage and current.

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经过大量的实验，以全数字化的方法设计了一套逆变器驱动电路，并研制了一套实验系统。

A full digital driving circuit for inverter and a set of experiment system have been developed.

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