Resonance type electric power conversion apparatus and method
    1.
    发明公开
    Resonance type electric power conversion apparatus and method 审中-公开
    谐振转换器和方法

    公开(公告)号:EP1990901A3

    公开(公告)日:2009-03-04

    申请号:EP08155864.5

    申请日:2008-05-08

    发明人: Ito, Yoshihiro

    IPC分类号: H02M1/34 H02M3/155

    摘要: A resonance type electric power conversion apparatus which includes a main circuit including a main reactor (L1), a main switching device (S1), an inverse-parallel (D4) diode and an output power diode (D3), and an auxiliary circuit (4) including an auxiliary reactor (L2), an auxiliary switch (S2), and an auxiliary capacitor (C1) connected in parallel to the main switching device (S1) for forming a recovery current elimination circuit and a partial resonance circuit, includes period calculation means for calculating a recovery current elimination period after the present point of time until the current flowing through the output power diode becomes zero and the charge of the output power diode disappears based on a voltage value across the auxiliary reactor, a current value of the main reactor (L1) and an inductance value of the auxiliary reactor, and control means for controlling the auxiliary switching device to turn on based on the recovery current elimination period.

    Resonance type electric power conversion apparatus and method
    2.
    发明公开
    Resonance type electric power conversion apparatus and method 审中-公开
    Resonanzstromrichter和Verfahren

    公开(公告)号:EP1990901A2

    公开(公告)日:2008-11-12

    申请号:EP08155864.5

    申请日:2008-05-08

    发明人: Ito, Yoshihiro

    IPC分类号: H02M1/34

    摘要: A resonance type electric power conversion apparatus which includes a main circuit including a main reactor (L1), a main switching device (S1), an inverse-parallel diode and an output power diode, and an auxiliary circuit including an auxiliary reactor, an auxiliary switch, and an auxiliary capacitor connected in parallel to the main switching device (S1) for forming a recovery current elimination circuit and a partial resonance circuit for discharging charge accumulated in the auxiliary capacitor to turn on the inverse-parallel diode, includes recovery current elimination period calculation means for calculating a recovery current elimination period after the present point of time until the current flowing through the output power diode becomes zero and the charge of the output power diode disappears based on a voltage value across the auxiliary reactor, a current value of the main reactor (L1)and an inductance value of the auxiliary reactor, and control means for controlling the auxiliary switching device to turn on based on the recovery current elimination period.

    摘要翻译: 一种谐振型电力转换装置,包括主电路,包括主电抗器(L1),主开关装置(S1),反并联(D4)二极管和输出功率二极管(D3)以及辅助电路 4)包括辅助电抗器(L2),辅助开关(S2)和与用于形成恢复电流消除电路和部分谐振电路的主开关装置(S1)并联连接的辅助电容器(C1),包括周期 计算装置,用于计算在当前时间点之后的恢复电流消除期间,直到流过输出功率二极管的电流变为零并且基于辅助电抗器两端的电压值输出功率二极管的电荷消失, 主电抗器(L1)和辅助电抗器的电感值;以及控制装置,用于根据恢复电流消除周期控制辅助开关装置导通。