VARIABLE SPEED DRIVE WITH INTEGRAL BYPASS CONTACTOR
    1.
    发明申请
    VARIABLE SPEED DRIVE WITH INTEGRAL BYPASS CONTACTOR 有权
    具有整体旁路接触器的变速驱动

    公开(公告)号:US20080174257A1

    公开(公告)日:2008-07-24

    申请号:US11932054

    申请日:2007-10-31

    Abstract: Systems and methods for operating a variable speed drive to receive an input AC power at a fixed AC input voltage and frequency and provide an output AC power at a variable voltage and variable frequency. The variable speed drive includes a converter stage to convert the input AC voltage to a boosted DC voltage, a DC link connected to the converter stage to filter and store the boosted DC voltage from the converter stage; and an inverter stage to convert the boosted DC voltage into AC power with variable voltage and the variable frequency. An integral bypass contactor is connected in parallel with the VSD between the AC power source and the AC output power. The integral bypass contactor is arranged to bypass the VSD when the VSD output frequency and voltage are approximately equal with the AC input voltage and frequency.

    Abstract translation: 用于操作变速驱动器以以固定的AC输入电压和频率接收输入AC电力的系统和方法,并以可变电压和可变频率提供输出AC电力。 变速驱动器包括转换器级,用于将输入交流电压转换为升压直流电压;连接到转换器级的直流链路,用于对来自转换器级的升压直流电压进行滤波和存储; 以及将升压的直流电压转换为具有可变电压和可变频率的交流电的逆变器级。 一体式旁路接触器与交流电源和交流输出电源之间的VSD并联连接。 当VSD输出频率和电压与交流输入电压和频率近似相等时,集成旁路接触器被布置为绕过VSD。

    COMMON MODE & DIFFERENTIAL MODE FILTER FOR VARIABLE SPEED DRIVE
    2.
    发明申请
    COMMON MODE & DIFFERENTIAL MODE FILTER FOR VARIABLE SPEED DRIVE 有权
    用于变速驱动的通用模式和差分模式滤波器

    公开(公告)号:US20080174255A1

    公开(公告)日:2008-07-24

    申请号:US11931993

    申请日:2007-10-31

    Abstract: Systems and methods for improved Variable Speed Drives having active inverters include an input filter for filtering common mode and differential mode currents. A three-phase inductor has three windings, each winding of the three-phase inductor having a center tap dividing each winding into a pair of inductor sections; and a three-phase input capacitor bank connected in a wye configuration to the three center taps at one end, and to a common point at the opposite end. The three-phase input capacitor bank provides a short circuit for frequencies above a predetermined fundamental frequency for shunting such frequencies through the three phase capacitor bank, while passing the predetermined fundamental frequency to an input AC power source.

    Abstract translation: 具有有源反相器的改进型变速驱动器的系统和方法包括用于滤除共模和差模电流的输入滤波器。 三相电感器具有三个绕组,三相电感器的每个绕组具有将每个绕组分成一对电感器部分的中心抽头; 以及三相输入电容器组,其以一个配置形式连接到一端的三个中心抽头,另一端连接到公共点。 三相输入电容器组为预定基频以上的频率提供短路,用于通过三相电容器组将这些频率分流,同时将预定基频通过输入AC电源。

    COOLING MEMBER
    4.
    发明申请
    COOLING MEMBER 有权
    冷却会员

    公开(公告)号:US20090241575A1

    公开(公告)日:2009-10-01

    申请号:US12057787

    申请日:2008-03-28

    CPC classification number: H05K7/20936 H01L2924/0002 H01L2924/00

    Abstract: A cooling member for a variable speed drive. The variable speed drive has a component that generates heat during operation of the drive and a base. The base has a surface that receives the component, a channel formed in the surface of the base and a passageway formed in the base and receiving fluid therethrough. Fluid flowing through the passageway provides cooling to the component and the base is manufactured from an injection molding process.

    Abstract translation: 用于变速驱动器的冷却构件。 变速驱动器具有在驱动器和基座的操作期间产生热量的部件。 基部具有接收部件的表面,形成在基部的表面中的通道和形成在基部中并且接收流体的通道。 流经通道的流体为部件提供冷却,底座由注射成型工艺制成。

    VARIABLE SPEED DRIVE
    5.
    发明申请
    VARIABLE SPEED DRIVE 有权
    变速驱动

    公开(公告)号:US20110141774A1

    公开(公告)日:2011-06-16

    申请号:US13034308

    申请日:2011-02-24

    CPC classification number: H02M5/4585 H02M1/126 H02M7/003

    Abstract: Systems and methods for improved VSDs are provided. One embodiment relates to an apparatus for common mode and differential mode filtering for motor or compressor bearing protection when operating with VSDs, including conducted EMI/RFI input power mains mitigation. Another embodiment relates to a method to extend the synchronous operation of an Active Converter to the AC mains voltage during complete line dropout. Another embodiment relates to an Active Converter-based Variable Speed Drive system with Improved Full Speed Efficiency.

    Abstract translation: 提供了改进的VSD的系统和方法。 一个实施例涉及一种用于在使用VSD进行运行时的电动机或压缩机轴承保护的共模和差模过滤装置,包括传导EMI / RFI输入电源减轻。 另一个实施例涉及在完整的线路断开期间将有源转换器的同步操作扩展到AC电源电压的方法。 另一实施例涉及具有改进的全速效率的基于有源转换器的变速驱动系统。

    VARIABLE SPEED DRIVE FOR PERMANENT MAGNET MOTOR
    6.
    发明申请
    VARIABLE SPEED DRIVE FOR PERMANENT MAGNET MOTOR 有权
    永磁电机的变速驱动

    公开(公告)号:US20100085000A1

    公开(公告)日:2010-04-08

    申请号:US12572864

    申请日:2009-10-02

    CPC classification number: H02P6/085 F25B49/025 F25B2600/0253 Y02B30/741

    Abstract: A drive system for a compressor of a chiller system includes a variable speed drive. The variable speed drive is arranged to receive an input AC voltage at a fixed AC input voltage and provide an output AC power at a variable voltage and variable frequency. The variable speed drive includes a converter connected to an AC power source providing the input AC voltage. The converter is arranged to convert the input AC voltage to a DC voltage. A DC link is connected to the converter. The DC link filters and stores the DC voltage from the converter. An inverter is connected to the DC link. A motor connectable to the compressor for powering the compressor. An active filter connected in parallel with the motor. The active filter is arranged to generate high frequency currents having a magnitude and opposite polarity, with respect to the output AC power of the variable speed drive. The high frequency currents generated by active filter substantially cancel out high frequency currents flowing into the motor.

    Abstract translation: 用于冷却器系统的压缩机的驱动系统包括变速驱动器。 变速驱动器设置为以固定的AC输入电压接收输入AC电压,并以可变电压和可变频率提供输出AC电力。 变速驱动器包括连接到提供输入AC电压的AC电源的转换器。 该转换器被布置成将输入的AC电压转换成DC电压。 直流母线连接到转换器。 直流链路过滤并存储转换器的直流电压。 逆变器连接到直流链路。 可连接到压缩机的电机为压缩机供电。 与电机并联连接的有源滤波器。 有源滤波器被布置成产生相对于变速驱动器的输出AC功率具有幅度和相反极性的高频电流。 由有源滤波器产生的高频电流基本抵消流入电动机的高频电流。

    COOLING SYSTEM
    9.
    发明申请
    COOLING SYSTEM 审中-公开
    冷却系统

    公开(公告)号:US20100006265A1

    公开(公告)日:2010-01-14

    申请号:US12501612

    申请日:2009-07-13

    CPC classification number: H05K7/20936 F25B31/008 H02K9/10 H02K9/20

    Abstract: A cooling system to cool an electronic component is disclosed. The cooling system includes a first connection to receive refrigerant, a region to transfer heat from an electronic component to the refrigerant from the first connection, at least one of a cooling coil, a cooling tube, or a cooling block positioned in the region and in fluid communication with the first connection, and a second connection to return refrigerant from the region to an evaporator.

    Abstract translation: 公开了冷却电子部件的冷却系统。 冷却系统包括用于接收制冷剂的第一连接件,将热量从电子部件传递到来自第一连接件的制冷剂的区域,冷却盘管,冷却管或位于该区域中的冷却块中的至少一个 与第一连接件的流体连通,以及第二连接以将制冷剂从区域返回到蒸发器。

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