Power converter transformer for suppressing conduction EMI and power supply having its transformer
    1.
    发明授权
    Power converter transformer for suppressing conduction EMI and power supply having its transformer 有权
    用于抑制传导EMI的电源转换器变压器及其变压器的电源

    公开(公告)号:US07876581B2

    公开(公告)日:2011-01-25

    申请号:US12407081

    申请日:2009-03-19

    CPC classification number: H02M1/44 H01F27/38 H01F27/42 H02M3/335

    Abstract: In accordance with the present invention, a power converter transformer for suppressing conduction EMI (ElectroMagnetic Interference) includes a primary winding positioned at a primary side; a secondary winding positioned at a second side and coupled with the primary winding; a parasitic capacitor connected between one end of the primary winding and one end of the secondary winding; a switching unit connected to the other end of the primary winding; a Y-capacitor connected between the switching unit and a ground terminal; an auxiliary winding positioned at the secondary side and coupled with the secondary winding; and an auxiliary capacitor connected between the one end of the primary winding and the auxiliary winding.

    Abstract translation: 根据本发明,用于抑制传导EMI(电磁干扰)的功率转换变压器包括位于初级侧的初级绕组; 位于第二侧并与初级绕组耦合的次级绕组; 连接在初级绕组的一端和次级绕组的一端之间的寄生电容器; 连接到所述初级绕组的另一端的开关单元; 连接在开关单元和接地端子之间的Y电容器; 辅助绕组定位在次级侧并与次级绕组耦合; 以及连接在初级绕组的一端和辅助绕组之间的辅助电容器。

    POWER FACTOR CORRECTED CIRCUIT HAVING INTEGRATED COIL
    2.
    发明申请
    POWER FACTOR CORRECTED CIRCUIT HAVING INTEGRATED COIL 审中-公开
    具有集成线圈的功率因数校正电路

    公开(公告)号:US20090109717A1

    公开(公告)日:2009-04-30

    申请号:US12035696

    申请日:2008-02-22

    Abstract: There is provided a power factor corrected circuit having an integrated coil in which a plurality of inductors that have been separately used for circuits are wound around one core. The power factor corrected circuit includes a rectifying unit for rectifying a common AC power supply; a coil unit for controlling the change in electric current of the rectified power supply from the rectifying unit according to the switching operation; and a switching unit for complementarily switching the power supply from the coil unit, wherein the coil unit has a core including first and second coils electrically coupled to each other; and first, second and third legs magnetically coupled to each other, and the first coil is wound around the first leg, the second coil is wound around the second leg, and the third leg is combined with the first and the second leg to form magnetic flux paths, respectively.

    Abstract translation: 提供了具有集成线圈的功率因数校正电路,其中已经分别用于电路的多个电感器缠绕在一个芯上。 所述功率因数校正电路包括:整流单元,用于对公共AC电源进行整流; 线圈单元,用于根据开关动作控制整流电源的整流电源的电流变化; 以及切换单元,用于互补地切换来自线圈单元的电源,其中线圈单元具有包括彼此电耦合的第一和第二线圈的芯; 并且第一和第三支腿彼此磁耦合,并且第一线圈围绕第一支腿缠绕,第二线圈围绕第二支腿缠绕,并且第三支腿与第一和第二支腿结合以形成磁性 磁通路径。

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