【摘要】 研究了一种基于数字信号处理器(DSP)的单相可编程交流电源。该电源不仅能在输出频率和电压幅值很宽的变化范围内稳定交流电压,而且能输出多种高品质、低频率的任意波形。借助于高效的DSP,实现了电路中逆变器数字闭环控制。最后给出实验结果。更多还原

【Abstract】 This paper introduces a single phase programmable AC power source.The power source described in this paper is capable of providing a stable AC voltage with variable amplitude and variable frequency over a wide range.More-over,i t can generate various high-quality low-frequency arbitrary waveforms.By app lying high-performance digital signal processor,the digital closed-loop con trol of the inverter used in the circuit is achieved. The experimental results a re given.更多还原