Active power factor correction circuit
    1.
    发明授权
    Active power factor correction circuit 有权
    有源功率因数校正电路

    公开(公告)号:US06570366B1

    公开(公告)日:2003-05-27

    申请号:US10026523

    申请日:2001-12-27

    IPC分类号: G05F170

    摘要: An active power factor correction circuit. The circuit comprises a voltage source having a first end and a second end, an inductor having an end coupled to the first end of the voltage source, a first rectifying device having an anode coupled to the other end of the inductor and a cathode, a second rectifying device having a cathode coupled to the cathode of the first rectifying device and an anode, a first switching device having a first terminal coupled to the anode of the first rectifying device and a second terminal, a second switching device, having a first terminal coupled to an anode of the second rectifying device and the second end of the voltage source and a second terminal, a capacitor having two ends coupled to the cathode of the second rectifying device and the second terminal of the second switching device respectively, and an auxiliary circuit for switching the first and second switching devices under zero voltage.

    摘要翻译: 有功功率因数校正电路。 电路包括具有第一端和第二端的电压源,电感器具有耦合到电压源的第一端的端部,具有耦合到电感器的另一端的阳极和阴极的第一整流装置, 具有连接到第一整流装置的阴极的阴极和阳极的第二整流装置,具有耦合到第一整流装置的阳极的第一端子和第二端子的第一开关装置,第二开关装置,具有第一端子 耦合到第二整流装置的阳极和电压源的第二端以及第二端子,具有分别耦合到第二整流装置的阴极和第二开关装置的第二端子的两端的电容器,以及辅助 用于在零电压下切换第一和第二开关器件的电路。