【摘要】 针对电力电子领域的需求,采用自然采样法设计了一个全数字三相SPWM信号产生系统IP软核．通过数字频率合成技术实现了对电源频率的精确控制,使电源频率精度达到16位．其中,通过调节控制参数,分别实现了电源频率与载波频率的7级、8级控制．最后,搭建了基于FPGA的测试系统,验证了系统功能的正确性．更多还原

【Abstract】 According to the requirement of power electronics application,IP soft core of SPWM generation system is designed by normal sampling.Power frequency is accurately controlled by direct digital frequency synthesizer,which makes power precision reach at 16 bits.Seven levels control power frequency and eight levels control the carrier waveform frequency to adjust their parameters.And a test system is put up based on FPGA to perform hardware simulation on the whole system,which shows that the function of system is perfect.更多还原