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    Power factor correction circuit
    2.
    发明授权
    Power factor correction circuit 有权
    功率因数校正电路

    公开(公告)号：US08866455B2

    公开(公告)日：2014-10-21

    申请号：US13781330

    申请日：2013-02-28

    Applicant: Samsung Electro-Mechanics Co., Ltd.

    Inventor： In Wha Jeong ,  Bum Seok Suh ,  Hyo Jin Lee

    IPC: G05F1/445 ,  G05F1/70

    CPC classification number: G05F1/70 ,  H02M1/34 ,  H02M1/4225 ,  H02M1/44 ,  H02M2001/0032 ,  H02M2001/342 ,  H02M2003/1586 ,  Y02B70/126 ,  Y02B70/1491 ,  Y02B70/16

    Abstract: There is provided a power factor correction circuit including: a main switching unit including a first main switch and a second main switch performing a switching operation to regulate a phase difference between a current and a voltage of input power, respectively; a main inductor unit including a first main inductor and a second main inductor accumulating or discharging energy according to a switching operation of each of the first main switch and the second main switch; a snubber switching unit including a first snubber switch and a second snubber switch providing zero-voltage turn-on conditions to the first main switch and the second main switch, respectively; and a controller controlling a switching operation of the main switching unit and the snubber switching unit.

    Abstract translation: 提供了一种功率因数校正电路，包括：主开关单元，包括第一主开关和第二主开关，分别执行开关操作以调节输入功率的电流和电压之间的相位差; 主电感器单元，其包括根据第一主开关和第二主开关中的每一个的开关操作而累积或放电的第一主电感器和第二主电感器; 缓冲开关单元，包括分别向所述第一主开关和所述第二主开关提供零电压接通状态的第一缓冲开关和第二缓冲开关; 以及控制主开关单元和缓冲器切换单元的切换动作的控制器。

    Power factor correction circuit with active snubber and power supply including the same
    4.
    发明授权
    Power factor correction circuit with active snubber and power supply including the same 有权
    具有主动缓冲器和电源的功率因数校正电路包括相同

    公开(公告)号：US09391506B2

    公开(公告)日：2016-07-12

    申请号：US13781413

    申请日：2013-02-28

    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

    Inventor： In Wha Jeong ,  Bum Seok Suh ,  Hyo Jin Lee

    IPC: H02M1/34 ,  H02M1/42 ,  H02M1/00

    CPC classification number: H02M1/4225 ,  H02M2001/0058 ,  H02M2001/342 ,  Y02B70/126 ,  Y02B70/1491

    Abstract: There are provided a power factor correction circuit and a power supply including the same, the power factor correction circuit including a main switch adjusting a phase difference between a current and a voltage of input power, a main inductor storing or discharging the power according to switching of the main switch, a snubber circuit unit including a snubber switch forming a transfer path for surplus power present before the main switch is turned on and a snubber inductor adjusting an amount of a current applied to the snubber switch, and a reduction circuit unit reducing excessive power imposed on the snubber switch by varying inductance of the snubber inductor.

    Abstract translation: 提供了功率因数校正电路和包括该功率因数校正电路的电源，所述功率因数校正电路包括调节输入电力的电流和电压之间的相位差的主开关，根据开关存储或放电的主电感器 主缓冲器电路单元，其包括形成用于在主开关导通之前存在的剩余电力的传输路径的缓冲开关和缓冲电感器，其调节施加到缓冲开关的电流量，以及减小电路单元减小 通过改变缓冲电感器的电感而对缓冲开关施加过大的功率。

    Power supply device
    6.
    发明授权
    Power supply device 有权
    电源设备

    公开(公告)号：US08711588B1

    公开(公告)日：2014-04-29

    申请号：US13838381

    申请日：2013-03-15

    Applicant: Samsung Electro-Mechanics Co., Ltd.

    Inventor： In Wha Jeong ,  Bum Seok Suh ,  Hyo Jin Lee

    IPC: H02J1/10

    CPC classification number: H02M1/4258 ,  H02M1/34 ,  H02M1/44 ,  H02M2001/342 ,  Y02B70/126 ,  Y02B70/1491

    Abstract: There is provided a power supply device including an alternating current (AC) power supply unit supplying a first primary current in a positive half cycle and supplying a second primary current in a negative half cycle; a transformer unit including a first transformer and a second transformer; a main switch unit including a first main switch and a second main switch; an auxiliary switch unit including a first auxiliary switch and a second auxiliary switch; an auxiliary inductor unit including a first auxiliary inductor and a second auxiliary inductor; and a path providing unit providing a conduction path based on power supplied from the AC power supply unit.

    Abstract translation: 提供了一种电源装置，包括：以正半周期提供第一初级电流并以负半周期提供第二初级电流的交流（AC）电源单元; 变压器单元，包括第一变压器和第二变压器; 主开关单元，包括第一主开关和第二主开关; 辅助开关单元，包括第一辅助开关和第二辅助开关; 辅助电感器单元，包括第一辅助电感器和第二辅助电感器; 以及路径提供单元，其基于从所述AC电源单元提供的电力提供导通路径。

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