Bridgeless power factor correction circuit
作者： Linhua Wang , Feng Xu , Zhixian Wu , XiangSheng Li
DOI:
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摘要: The present invention provides a bridgeless PFC circuit. A low-frequency bridge leg includes two diodes connected in series: first diode and second diode; three-port network switch tube an inductor, the act together to realize PFC; lightning surge protection third fourth capacitor is between both terminals of leg, leg; common terminal AC power, other power; has port with therebetween, diodes. By using including series for protection, EMI performance can be improved, costs whole circuit lowered efficiency improved.
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