THREE-PHASE BUCK-BOOST POWER FACTOR CORRECTION CIRCUIT AND CONTROLLING METHOD THEREOF
    71.
    发明申请
    THREE-PHASE BUCK-BOOST POWER FACTOR CORRECTION CIRCUIT AND CONTROLLING METHOD THEREOF 有权
    三相BUCK升压功率因数校正电路及其控制方法

    公开(公告)号:US20090268496A1

    公开(公告)日:2009-10-29

    申请号:US12429465

    申请日:2009-04-24

    CPC classification number: H02M1/4216 H02M1/4225 Y02B70/126 Y02P80/112

    Abstract: 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.

    Abstract translation: 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。

    SYNCHRONOUS RECTIFICATION CIRCUIT HAVING BURST MODE CONTROLLER AND CONTROLLING METHOD THEREOF
    72.
    发明申请
    SYNCHRONOUS RECTIFICATION CIRCUIT HAVING BURST MODE CONTROLLER AND CONTROLLING METHOD THEREOF 有权
    具有脉冲模式控制器的同步整流电路及其控制方法

    公开(公告)号:US20090244934A1

    公开(公告)日:2009-10-01

    申请号:US12412979

    申请日:2009-03-27

    CPC classification number: H02M3/33592 H02M3/3378 Y02B70/1433 Y02B70/1475

    Abstract: The configuration of a synchronous rectification circuit and a controlling method thereof are provided. The proposed circuit includes a converter including a first switch and a first synchronous rectifier, and a burst mode controller including a logic process module performing one of functions of delaying one of a non-integer and at least one operating periods to generate a synchronous rectification driving signal of the first synchronous rectifier counting from a beginning of a first pulse of a driving signal of the first switch during a working time of a burst period, and turning off the synchronous rectification driving signal of the first synchronous rectifier by one of the non-integer operating period and the at least one operating period ahead of an ending of a last operating period of the driving signal of the first switch during the working time of the burst period.

    Abstract translation: 提供同步整流电路的结构及其控制方法。 所提出的电路包括包括第一开关和第一同步整流器的转换器,以及突发模式控制器,其包括执行延迟非整数和至少一个操作周期之一的功能之一的逻辑处理模块,以产生同步整流驱动 所述第一同步整流器在突发周期的工作时间期间从所述第一开关的驱动信号的第一脉冲的开始开始计数所述第一同步整流器的信号,并且通过所述非易失性存储器中的一个关闭所述第一同步整流器的同步整流驱动信号, 整数运行周期和在突发周期的工作时间期间第一开关的驱动信号的最后操作周期的结束之前的至少一个操作周期。

    DIELECTRIC BARRIER DISCHARGE LAMP SYSTEM AND DRIVING METHOD THEREOF HAVING RELATIVELY BETTER PERFORMANCE IN STARTUP AND RE-STARTUP OF DIMMING
    73.
    发明申请
    DIELECTRIC BARRIER DISCHARGE LAMP SYSTEM AND DRIVING METHOD THEREOF HAVING RELATIVELY BETTER PERFORMANCE IN STARTUP AND RE-STARTUP OF DIMMING 有权
    介电障碍物放电灯系统及其驱动方法,其启动和启动重新启动相对更好的性能

    公开(公告)号:US20080303448A1

    公开(公告)日:2008-12-11

    申请号:US11923995

    申请日:2007-10-25

    CPC classification number: H05B41/2806 H02M7/48 Y02B20/22

    Abstract: The configurations of a dielectric barrier discharge lamp (DBDL) system and the driving method thereof are provided in the present invention. The proposed DBDL system includes a driver circuit receiving a DC input voltage and generating an AC output voltage, including a transformer having a primary winding and a secondary winding, a dielectric barrier discharge lamp coupled to the secondary winding and a burst mode dimming circuit including a first switch. In which, the first switch is turned on when the first switch is starting such that the first switch and the primary winding forms a conducting path so as to apply a driving high voltage to the DBDEL and turn off the first switch after the DBDL is breaking through by the driving high voltage such that a driving normal voltage is applied to the DBDL.

    Abstract translation: 在本发明中提供了介质阻挡放电灯(DBDL)系统的结构及其驱动方法。 所提出的DBDL系统包括接收DC输入电压并产生AC输出电压的驱动器电路,包括具有初级绕组和次级绕组的变压器,耦合到次级绕组的电介质阻挡放电灯和包括第二绕组的突发模式调光电路 第一个开关 其中,当第一开关启动时,第一开关导通,使得第一开关和初级绕组形成导通路径,以便在DBDL断开之后向DBDEL施加驱动高电压并关闭第一开关 通过驱动高电压使得驱动正常电压施加到DBDL。

    RESONANT CONVERTER SYSTEM AND CONTROLLING METHOD THEREOF HAVING RELATIVELY BETTER EFFICIENCY
    74.
    发明申请
    RESONANT CONVERTER SYSTEM AND CONTROLLING METHOD THEREOF HAVING RELATIVELY BETTER EFFICIENCY 有权
    谐波转换器系统及其相对较好的控制方法

    公开(公告)号:US20080247194A1

    公开(公告)日:2008-10-09

    申请号:US11867349

    申请日:2007-10-04

    CPC classification number: H02M3/3376 H02M2001/0058 Y02B70/1433 Y02B70/1491

    Abstract: The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter and a hybrid control apparatus coupled to the resonant converter for generating a driving signal to adjust a phase angle and a frequency of the resonant converter such that the resonant converter would reach a relatively lower voltage gain and have a relatively lower loss during an abnormal operation.

    Abstract translation: 提供了一种谐振转换器系统的结构及其控制方法。 所提出的谐振转换器系统包括谐振转换器和耦合到谐振转换器的混合控制装置,用于产生驱动信号以调节谐振转换器的相位角和频率,使得谐振转换器将达到相对较低的电压增益并具有 在异常操作期间相对较低的损失。

    Method for suppressing common mode noise
    75.
    发明申请
    Method for suppressing common mode noise 有权
    抑制共模噪声的方法

    公开(公告)号:US20070171585A1

    公开(公告)日:2007-07-26

    申请号:US11338680

    申请日:2006-01-25

    Abstract: The present invention discloses a power converter with low common mode noise. The power converter having a primary side and a secondary side, comprises a transformer having a primary winding and a secondary winding, and at least one electrostatic shield disposed between the primary winding and the secondary winding, wherein the electrostatic shield is configured with partial first region of the primary winding and partial second region of the secondary winding such that the electrostatic shield partially shields with the primary winding and the secondary winding to reach the purpose of suppressing the common mode noise. In addition, another method can be used to reduce the common mode noise of a power converter having primary side and secondary side, which is adding some additional impedance between the static points and jump points of the primary side and secondary side.

    Abstract translation: 本发明公开了一种低共模噪声的功率转换器。 具有初级侧和次级侧的功率转换器包括具有初级绕组和次级绕组的变压器,以及设置在初级绕组和次级绕组之间的至少一个静电屏蔽,其中静电屏蔽配置有部分第一区域 的次级绕组的初级绕组和部分第二区域,使得静电屏蔽部分地与初级绕组和次级绕组屏蔽以达到抑制共模噪声的目的。 此外,可以使用另一种方法来降低具有初级侧和次级侧的功率转换器的共模噪声,这在初级侧和次级侧的静态点和跳跃点之间增加一些额外的阻抗。

    Power supply device and single photo-coupler control circuit thereof
    76.
    发明申请
    Power supply device and single photo-coupler control circuit thereof 有权
    电源装置及其单个光电耦合器控制电路

    公开(公告)号:US20060139965A1

    公开(公告)日:2006-06-29

    申请号:US11158147

    申请日:2005-06-20

    CPC classification number: H02M3/285 H02M2001/0032 Y02B70/16

    Abstract: A power supply device and a single photo-coupler control circuit thereof are provided. The power supply device includes a single photo-coupler control circuit, a main converter and an auxiliary converter. The main converter connects to an output load. The auxiliary converter connects in parallel with the main converter. The single photo-coupler control circuit, also connected to the output load, monitors the status of the power supply device and controls the main converter and the auxiliary converter accordingly. The single photo-coupler control circuit only has one photo-coupler. The main converter and the auxiliary converter together provide a first output to the output load when the power supply device works in a normal mode. The main converter is turned off so that only the auxiliary converter provides a second output to the output load when the power supply device works in a standby mode.

    Abstract translation: 提供了电源装置及其单个光电耦合器控制电路。 电源装置包括单个光耦合器控制电路,主转换器和辅助转换器。 主转换器连接到输出负载。 辅助转换器与主转换器并联连接。 单个光耦合器控制电路也连接到输出负载,监视电源设备的状态,并相应地控制主转换器和辅助转换器。 单个光电耦合器控制电路只有一个光电耦合器。 当电源装置工作在正常模式时,主转换器和辅助转换器一起为输出负载提供第一输出。 主转换器被关闭,使得仅当辅助转换器在待机模式下工作时,辅助转换器向输出负载提供第二输出。

    Primary side ZVS push-pull converter having relatively less losses
    77.
    发明授权
    Primary side ZVS push-pull converter having relatively less losses 有权
    初级侧ZVS推挽转换器具有相对较小的损耗

    公开(公告)号:US07049712B2

    公开(公告)日:2006-05-23

    申请号:US10901573

    申请日:2004-07-29

    Abstract: The push-pull converter for zero-voltage switching of the switches on the primary side of the transformer to have a relatively lower loss is proposed. Which includes: a transformer having a primary winding with a center tap and a secondary winding, an electrical energy storage device having a first terminal coupled to the center tap of the primary winding and a second terminal coupled to a ground, a first switch having a first terminal coupled to a first terminal of the primary winding and a second terminal coupled to the ground, a second switch having a first terminal coupled to the ground and a second terminal coupled to a second terminal of the primary winding, and a rectifier circuit coupled to the secondary winding for transforming an AC output of the secondary winding to a DC output.

    Abstract translation: 提出了用于变压器初级侧的开关零电压开关的推挽转换器具有相对较低的损耗。 其包括:具有具有中心抽头和次级绕组的初级绕组的变压器,具有耦合到所述初级绕组的中心抽头的第一端子和耦合到地的第二端子的电能存储装置,具有第一开关的第一开关, 第一端子,其耦合到初级绕组的第一端子和耦合到地的第二端子,第二开关,其具有耦合到地的第一端子和耦合到初级绕组的第二端子的第二端子,以及整流器电路耦合 到次级绕组,用于将次级绕组的AC输出转换成DC输出。

    INPUT STAGE CIRCUIT OF THREE-LEVEL DC/DC CONVERTER
    78.
    发明申请
    INPUT STAGE CIRCUIT OF THREE-LEVEL DC/DC CONVERTER 有权
    三级DC / DC转换器的输入电路

    公开(公告)号:US20060050537A1

    公开(公告)日:2006-03-09

    申请号:US10907831

    申请日:2005-04-18

    CPC classification number: H02M3/33569 H02M7/487

    Abstract: An input stage circuit of a three-level DC/DC converter is provided. The input stage circuit uses metal-oxide-semiconductor field effect transistors (MOSFETs) to discharge a flying capacitor to maintain the voltage across the flying capacitor at a half of the input voltage. Not only can the input stage circuit solve the high voltage issue across the flying capacitor in the prior art, but the circuit is able to operate normally without increasing power consumption during discharging, thereby avoiding problems of the prior art.

    Abstract translation: 提供三电平DC / DC转换器的输入级电路。 输入级电路使用金属氧化物半导体场效应晶体管(MOSFET)来放电飞跨电容器,以将跨越电容器的电压保持在输入电压的一半。 输入级电路不仅可以解决现有技术中跨越飞溅电容器的高电压问题,而且电路能够正常工作,而不会在放电期间增加功耗,从而避免了现有技术的问题。

    Integrated converter having three-phase power factor correction
    79.
    发明授权
    Integrated converter having three-phase power factor correction 有权
    具有三相功率因数校正的集成转换器

    公开(公告)号:US07005759B2

    公开(公告)日:2006-02-28

    申请号:US10778622

    申请日:2004-02-12

    Abstract: An integrated converter is provided. The integrated converter includes an AC/DC converter electrically connected to a three-phase power supply for converting an alternating current into a first direct current and achieving the object of the power factor correction; and a DC/DC converter electrically connected to the AC/DC converter for converting the first direct current into a second direct current, wherein while the AC power supply is electricity-drop, the controlling switch is turned on by the integrated converter and the integrated converter is switched from an AC/DC working mode to a DC/DC working mode, and while the AC power supply is restored to normal, the controlling switch is turned off by the integrated converter and the integrated converter is switched from said DC/DC working mode to the AC/DC working mode.

    Abstract translation: 提供集成转换器。 集成转换器包括电连接到三相电源的AC / DC转换器,用于将交流电转换成第一直流电并实现功率因数校正的目的; 以及DC / DC转换器,其电连接到所述AC / DC转换器,用于将所述第一直流电转换为第二直流电,其中当所述AC电源为电力下降时,所述控制开关由所述集成转换器接通, 转换器从AC / DC工作模式切换到DC / DC工作模式,当AC电源恢复正常时,控制开关由集成转换器关闭,集成转换器从所述DC / DC 工作模式到AC / DC工作模式。

    Architecture of power supply system for LCD apparatus
    80.
    发明申请
    Architecture of power supply system for LCD apparatus 审中-公开
    LCD设备电源系统架构

    公开(公告)号:US20050237010A1

    公开(公告)日:2005-10-27

    申请号:US11070642

    申请日:2005-03-02

    CPC classification number: H05B41/282 H05B41/245 Y02B20/183

    Abstract: The proposed architecture includes a Dual Boost PFC circuit for receiving the AC input voltage and generating the DC bus voltage, at least one inverter coupled to the Dual Boost PFC circuit for driving at least one CCFL to offer a backlight of a LCD panel, and a DC/DC converter coupled to the Dual Boost PFC circuit for offering power to the LCD apparatus. Since neither the input bridge rectifier nor the DC/DC converter between the PFC circuit and the backlight inverter is included in the presented architecture, relatively the simpler configuration and the higher conversion efficiency than those of the prior art are achieved.

    Abstract translation: 所提出的架构包括用于接收AC输入电压并产生DC总线电压的双升压PFC电路,耦合到双升压PFC电路的至少一个逆变器用于驱动至少一个CCFL以提供LCD面板的背光,以及 耦合到双升压PFC电路的DC / DC转换器,为LCD装置提供电力。 由于PFC电路和背光反相器之间的输入桥式整流器和DC / DC转换器都不包括在本架构中,所以实现了比现有技术更简单的配置和更高的转换效率。

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