减少了变频器输入电流中包含的高次谐波成份的输出。
It reduces the high hypo syntony wave output part included in the converted input current.
从理论上分析了单相电压源pwm变流器输入电流的谐波特性。
The harmonic characteristic of input current in single-phase voltage source PWM converter is analyzed theoretically.
实验结果表明，应用该电路拓扑的实验装置，其功率因数较高，输入电流的总谐波畸变较低，输出电压纹波小，而且整个装置的效率也比较高。
Experiment result showed, the topology can make the device get to high Power Factor (PF), low Total Harmonic Distortion (THD) of input current, low ripple of output voltage, and high efficiency.
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