文中介绍了实验系统的硬件和软件结构，系统的运行情况，并给出了几种频率的输出波形照片。
The hardware and software constructions, the operation of this system and several output voltage waveforms are provided in this paper.
分析了所用的PWM驱动电路的输出电压和电流波形，并给出实际应用电路以及实验结果。
Analyzes the waveform of output voltage and current of PWM drive circuit, and also gives practical application circuits and test results.
在分析了十二相交-交变频器的数学模型后，仿真得出了十二相交-交变频器的输出电压电流波形，并对其进行了谐波的分析。
After analyzed the math model of the multi-phase cycloconverter, the simulation wave of output voltage and output current was given and the harmonic was analyzed.
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