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21 条记录 (耗时 0.02 秒)

    POWER CONVERSION SYSTEM AND METHOD FOR ACTIVE DAMPING OF COMMON MODE RESONANCE
    5.
    发明申请
    POWER CONVERSION SYSTEM AND METHOD FOR ACTIVE DAMPING OF COMMON MODE RESONANCE 有权
    功率转换系统和方法主动阻尼共模共振

    公开(公告)号：US20100080028A1

    公开(公告)日：2010-04-01

    申请号：US12240533

    申请日：2008-09-29

    申请人： George Zhongyuan Cheng ,  Navid Zargari ,  Yuan Xiao ,  Manish Pande

    发明人： George Zhongyuan Cheng ,  Navid Zargari ,  Yuan Xiao ,  Manish Pande

    IPC分类号： H02M7/06

    CPC分类号： H02M5/4585

    摘要： Power conversion systems and methods are presented for damping common mode resonance, in which inverter or rectifier switching control signals are selectively modified according to a damping resistance current value computed using a predetermined virtual damping resistance value in parallel with an output or input capacitor and a measured output or input voltage value to mitigate or reduce common mode resonance in the converter.

    摘要翻译： 提出了用于阻尼共模谐振的功率转换系统和方法，其中根据使用预定的虚拟阻尼电阻值与输出或输入电容器并联计算的阻尼电阻电流值来选择性地修改逆变器或整流器开关控制信号， 输出或输入电压值，以减轻或减少转换器中的共模共振。

    Power conversion system and method for active damping of common mode resonance
    7.
    发明授权
    Power conversion system and method for active damping of common mode resonance 有权
    用于共模谐振主动阻尼的电力转换系统和方法

    公开(公告)号：US07990097B2

    公开(公告)日：2011-08-02

    申请号：US12240533

    申请日：2008-09-29

    申请人： Zhongyuan Cheng ,  Navid Zargari ,  Yuan Xiao ,  Manish Pande

    发明人： Zhongyuan Cheng ,  Navid Zargari ,  Yuan Xiao ,  Manish Pande

    IPC分类号： H02J3/36 ,  H02P27/04

    CPC分类号： H02M5/4585

    摘要： Power conversion systems and methods are presented for damping common mode resonance, in which inverter or rectifier switching control signals are selectively modified according to a damping resistance current value computed using a predetermined virtual damping resistance value in parallel with an output or input capacitor and a measured output or input voltage value to mitigate or reduce common mode resonance in the converter.

    摘要翻译： 提出了用于阻尼共模谐振的功率转换系统和方法，其中根据使用预定的虚拟阻尼电阻值与输出或输入电容器并联计算的阻尼电阻电流值来选择性地修改逆变器或整流器开关控制信号， 输出或输入电压值，以减轻或减少转换器中的共模共振。

    Motor drive using flux adjustment to control power factor
    8.
    发明授权
    Motor drive using flux adjustment to control power factor 有权
    电机驱动使用磁通调节来控制功率因数

    公开(公告)号：US07683568B2

    公开(公告)日：2010-03-23

    申请号：US11863514

    申请日：2007-09-28

    申请人： Manish Pande ,  Yunwei Li

    发明人： Manish Pande ,  Yunwei Li

    IPC分类号： H02P1/24

    CPC分类号： H02M5/4585 ,  H02M1/4216 ,  H02M1/4233 ,  H02M5/4505 ,  H02P23/26 ,  H02P2201/15 ,  Y02B70/126 ,  Y02P80/112

    摘要： The switching rectifier and switching inverter on a motor drive unit are modulated to indirectly change the magnitude of current and voltage stored in DC link by controlling the magnetic field of the motor to correct for both power factor lead and power factor lag over a wide range of motor speeds and conditions while maintaining a predetermined motor operating point.

    摘要翻译： 电动机驱动单元上的开关整流器和开关变换器被调制以通过控制电动机的磁场来间接地改变存储在直流母线中的电流和电压的大小，从而在宽范围内校正功率因数导通和功率因数滞后 同时保持预定的电动机工作点。

    Methods and system for motor drive information capture
    9.
    发明授权
    Methods and system for motor drive information capture 有权
    电机驱动信息捕获方法与系统

    公开(公告)号：US07602132B2

    公开(公告)日：2009-10-13

    申请号：US11535675

    申请日：2006-09-27

    申请人： Wayne Ronald Davis ,  Manish Pande

    发明人： Wayne Ronald Davis ,  Manish Pande

    IPC分类号： H02P27/04

    CPC分类号： H02P23/0077 ,  Y10S388/909

    摘要： Methods and systems are provided for capturing and saving motor drive information in a non-volatile memory to facilitate troubleshooting and motor fault analysis. The motor drive includes a power conversion system that provides electrical power to an electric motor and a control system providing a control input to the power conversion system, and an information capture system is provided with an information capture component to capture motor drive information and a non-volatile memory component to store the captured information.

    摘要翻译： 提供的方法和系统用于在非易失性存储器中捕获和保存电机驱动信息，以便于故障排除和电机故障分析。 电动机驱动器包括向电动机提供电力的电力转换系统和向电力转换系统提供控制输入的控制系统，并且信息捕获系统设置有用于捕获电动机驱动信息的信息捕捉部件， 易失存储器组件来存储捕获的信息。

    CURRENT SOURCE CONVERTER-BASED WIND ENERGY SYSTEM
    10.
    发明申请
    CURRENT SOURCE CONVERTER-BASED WIND ENERGY SYSTEM 有权
    基于电流转换器的风力发电系统

    公开(公告)号：US20100025995A1

    公开(公告)日：2010-02-04

    申请号：US12183816

    申请日：2008-07-31

    申请人： Yongqiang Lang ,  Navid Reza Zargari ,  Manish Pande ,  Bin Wu

    发明人： Yongqiang Lang ,  Navid Reza Zargari ,  Manish Pande ,  Bin Wu

    IPC分类号： F03D9/00 ,  H02J3/38 ,  H02P6/14

    CPC分类号： H02J3/386 ,  H02M1/32 ,  H02M5/4505 ,  H02P9/10 ,  H02P9/48 ,  H02P21/00 ,  H02P2101/15 ,  H02P2201/13 ,  Y02E10/763

    摘要： Power conversion apparatus and methods are presented for providing electrical power to a grid or other load in which a synchronous machine is driven by a wind turbine or other prime mover to provide generator power to a switching type current source converter (CSC), with a current source rectifier (CSR) of the CSC being switched to provide d-axis control of the synchronous machine current based on grid power factor feedback, and with a current source inverter (CSI) of the CSC being switched to provide leading firing angle control and selective employment of dumping resists to dissipate excess generator energy in a fault mode when a grid voltage drops below a predetermined level.

    摘要翻译： 提供了电力转换装置和方法，用于向电网或其他负载提供电力，其中同步电机由风力涡轮机或其它原动机驱动以向开关型电流源转换器（CSC）提供发电机功率，电流 CSC的源极整流器（CSR）被切换以提供基于电网功率因数反馈的同步电机的d轴控制，并且CSC的电流源逆变器（CSI）被切换以提供引导触发角控制和选择性 当电网电压下降到预定水平以下时，使用倾倒抵抗在故障模式下散发过量的发电机能量。