早期的功率因数校正技术采用的是无源功率因数校正(Passive Power Factor Correction，PPFC)技术。最简单的无源功率因数校正电路是在整流桥前面加一个滤波电感，增加整流二极管的导通时间，降低输入电...
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介绍了一种采用无源功率因数校正方法降低电源谐波含量的方案。
A proposal using passive power factor correction method to reduce harmonics emission is introduced in this paper.
无源功率因数校正技术具有简单及成本低的优点，在小功率应用场合具有广阔的前景。
Passive solutions are very attractive topologies for low power applications, due to the theirs simplicity and low cost.
结果表明，如果设计适当的滤波电感值，本文所述的无源功率因数校正方法可以满足标准所要求的规定。
The results obtained show that the passive approach described here can comply with the required specifications if a proper inductor value of the filter is selected.
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