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    • 4. 发明授权
    • Three-phase buck-boost power factor correction circuit and controlling method thereof
    • 三相降压 - 升压功率因数校正电路及其控制方法
    • US08717789B2
    • 2014-05-06
    • US13429028
    • 2012-03-23
    • Jingtao TanYang LiZhijian ZhouShichao YanWen-Yin TasiJianping Ying
    • Jingtao TanYang LiZhijian ZhouShichao YanWen-Yin TasiJianping Ying
    • H02J1/10
    • H02M1/4216H02M1/4225Y02B70/126Y02P80/112
    • The configurations of a three-phase buck-boost power factor correction (PFC) circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes a first single-phase buck-boost PFC circuit receiving a first phase voltage and having a first and a second output terminals and a neutral-point for outputting a first and a second output voltages, a second single-phase buck-boost PFC circuit receiving a second phase voltage and coupled to the first and the second output terminals and the neutral-point, a third single-phase buck-boost PFC circuit receiving a third phase voltage and coupled to the first and the second output terminals and the neutral-point, a first and a second output capacitors coupled to the first and the second output terminals respectively, and to the neutral-point also and a neutral line coupled to the neutral-point.
    • 在本发明中提供了三相降压 - 升压功率因数校正(PFC)电路及其控制方法的结构。 所提出的电路包括接收第一相电压并具有第一和第二输出端的第一单相降压 - 升压PFC电路和用于输出第一和第二输出电压的中性点,第二单相降压 - 接收第二相电压并耦合到第一和第二输出端和中性点的升压PFC电路,接收第三相电压并耦合到第一和第二输出端的第三单相降压 - 升压PFC电路,以及 中性点,分别耦合到第一和第二输出端子的第一和第二输出电容器以及耦合到中性点的中性点以及耦合到中性点的中性线。