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    Power Converter Islanding Detection
    3.
    发明申请
    Power Converter Islanding Detection 有权
    电源转换器孤岛检测

    公开(公告)号：US20130076134A1

    公开(公告)日：2013-03-28

    申请号：US13247424

    申请日：2011-09-28

    Applicant: David Smith ,  Maozhong Gong

    Inventor： David Smith ,  Maozhong Gong

    IPC: H02J1/10 ,  H02M7/44

    CPC classification number: H02J3/383 ,  H02J2003/388 ,  Y02E10/563 ,  Y10T307/50

    Abstract: A power converter including a detection apparatus and method for detecting an islanding condition based on measurements of one or more currents and voltages within the power converter provided to a current regulator to generate a signal that is provided in a positive feedback loop and is indicative of an islanding condition.

    Abstract translation: 一种功率转换器，包括检测装置和方法，用于根据提供给电流调节器的功率转换器内的一个或多个电流和电压的测量来检测孤岛状态，以产生提供在正反馈回路中的信号， 岛屿状况。

    Power converter system, damping system, and method of operating a power converter system
    4.
    发明授权
    Power converter system, damping system, and method of operating a power converter system 有权
    电力转换器系统，阻尼系统和操作电力转换器系统的方法

    公开(公告)号：US09509231B2

    公开(公告)日：2016-11-29

    申请号：US14396917

    申请日：2012-04-26

    Applicant: Huibin Zhu ,  David Smith ,  David Scott Wilmer ,  Maozhong Gong ,  Jun Zhu ,  Xueqin Wu

    Inventor： Huibin Zhu ,  David Smith ,  David Scott Wilmer ,  Maozhong Gong ,  Jun Zhu ,  Xueqin Wu

    IPC: H02M7/537 ,  H02M1/36 ,  H02M5/458 ,  H02M1/32

    CPC classification number: H02M7/537 ,  H02M1/32 ,  H02M1/36 ,  H02M5/4585 ,  H02M2001/322

    Abstract: A power converter system includes a converter configured to be coupled to a power generation unit for receiving current from the power generation unit. A bus is coupled to the converter, and energy is stored within the bus when the current is conducted through the power converter system. A damping circuit is configured to be coupled to the bus and to the power generation unit, and a control system is coupled to the converter and to the damping circuit. The control system is configured to selectively discharge at least a portion of the energy stored within the bus through the damping circuit when the control system determines that a predetermined condition is met.

    Abstract translation: 电力转换器系统包括被配置为耦合到用于从发电单元接收电流的发电单元的转换器。 总线耦合到转换器，并且当电流通过功率转换器系统传导时，能量被存储在总线内。 阻尼电路被配置为耦合到总线和发电单元，并且控制系统耦合到转换器和阻尼电路。 控制系统配置成当控制系统确定满足预定条件时，通过阻尼电路选择性地排放存储在总线内的能量的至少一部分。

    SYSTEMS AND METHODS FOR USE IN GRID FAULT EVENT CONTROL
    6.
    发明申请
    SYSTEMS AND METHODS FOR USE IN GRID FAULT EVENT CONTROL 审中-公开
    用于故障事件控制的系统和方法

    公开(公告)号：US20130077367A1

    公开(公告)日：2013-03-28

    申请号：US13243294

    申请日：2011-09-23

    Applicant: Huibin Zhu ,  David Smith ,  Anthony William Galbraith ,  Maozhong Gong ,  Xueqin Wu

    Inventor： Huibin Zhu ,  David Smith ,  Anthony William Galbraith ,  Maozhong Gong ,  Xueqin Wu

    IPC: H02M7/537 ,  G05F1/70

    CPC classification number: H02J3/16 ,  H02J3/381 ,  H02J2003/001 ,  H02J2003/388 ,  H02M1/32 ,  Y02E40/34

    Abstract: System, power modules, and methods for supplying an output voltage to an electric grid are provided. One example power module includes a switching device configured to supply an output from a power generator to an electric grid, a feedback unit configured to provide a feedback signal indicative of a deviation of a parameter associated with the electric grid, and a controller coupled to the feedback unit and the switching device. The controller is configured to adjust a reactive current of the output in response to at least one grid fault event to ride through the at least one grid fault event, to modify the deviation provided from the feedback unit, to control the switching device based on the modified deviation, and to detect an islanding condition based on the parameter associated with the electric grid.

    Abstract translation: 提供了用于向电网提供输出电压的系统，功率模块和方法。 一个示例性功率模块包括被配置为将来自发电机的输出提供给电网的开关装置，被配置为提供指示与电网相关联的参数的偏差的反馈信号的反馈单元，以及耦合到 反馈单元和开关装置。 控制器被配置为响应于至少一个电网故障事件来调整输出的无功电流以穿过至少一个电网故障事件，以修改从反馈单元提供的偏差，以基于 基于与电网相关的参数来检测孤岛状态。

    POWER CONVERTER SYSTEM, DAMPING SYSTEM, AND METHOD OF OPERATING A POWER CONVERTER SYSTEM
    7.
    发明申请
    POWER CONVERTER SYSTEM, DAMPING SYSTEM, AND METHOD OF OPERATING A POWER CONVERTER SYSTEM 有权
    电力转换器系统，阻尼系统和操作电力转换器系统的方法

    公开(公告)号：US20150103573A1

    公开(公告)日：2015-04-16

    申请号：US14396917

    申请日：2012-04-26

    Applicant: Huibin Zhu ,  David Smith ,  David Scott Wilmer ,  Maozhong Gong ,  Jun Zhu ,  Xueqin Wu

    Inventor： Huibin Zhu ,  David Smith ,  David Scott Wilmer ,  Maozhong Gong ,  Jun Zhu ,  Xueqin Wu

    IPC: H02M7/537

    CPC classification number: H02M7/537 ,  H02M1/32 ,  H02M1/36 ,  H02M5/4585 ,  H02M2001/322

    Abstract: A power converter system includes a converter configured to be coupled to a power generation unit for receiving current from the power generation unit. A bus is coupled to the converter, and energy is stored within the bus when the current is conducted through the power converter system. A damping circuit is configured to be coupled to the bus and to the power generation unit, and a control system is coupled to the converter and to the damping circuit. The control system is configured to selectively discharge at least a portion of the energy stored within the bus through the damping circuit when the control system determines that a predetermined condition is met.

    Abstract translation: 电力转换器系统包括被配置为耦合到用于从发电单元接收电流的发电单元的转换器。 总线耦合到转换器，并且当电流通过功率转换器系统传导时，能量被存储在总线内。 阻尼电路被配置为耦合到总线和发电单元，并且控制系统耦合到转换器和阻尼电路。 控制系统配置成当控制系统确定满足预定条件时，通过阻尼电路选择性地排放存储在总线内的能量的至少一部分。

    Systems and Methods for Use in Identifying and Responding to Type of Grid Fault Event
    8.
    发明申请
    Systems and Methods for Use in Identifying and Responding to Type of Grid Fault Event 有权
    用于识别和响应电网故障事件类型的系统和方法

    公开(公告)号：US20140293489A1

    公开(公告)日：2014-10-02

    申请号：US14354336

    申请日：2011-10-28

    Applicant: Huibin Zhu ,  David Smith ,  Maozhong Gong ,  Xeuqin Wu

    Inventor： Huibin Zhu ,  David Smith ,  Maozhong Gong ,  Xeuqin Wu

    IPC: H02H7/10 ,  G01R31/02

    CPC classification number: H02H7/10 ,  G01R19/2513 ,  G01R31/024 ,  H02J3/28 ,  H02J3/38 ,  H02J3/383 ,  Y02E10/563 ,  Y02E10/566 ,  Y02E70/30

    Abstract: Systems (100), power modules (108), and methods for using in controlling a converter (110) coupled between a power generator (104) and an electric grid (102). A power module (108) includes the converter (110) configured to supply the output from the power generator (104) to the electric grid (102) and a controller (112) coupled to the converter (110) and configured to disable the converter (110) in response to a grid fault event, to identify the type or the grid fault event after a first predetermined interval from disabling the converter (110), and to enable switching of the converter (110), when the type of the grid fault event is identified as a low voltage condition.

    Abstract translation: 系统（100），功率模块（108）以及用于控制耦合在发电机（104）和电网（102）之间的转换器（110）的方法。 电源模块（108）包括被配置成将来自发电机（104）的输出提供给电网（102）的转换器（110）和耦合到转换器（110）并被配置为禁用转换器 （110）响应于电网故障事件，以识别在禁用转换器（110）之后的第一预定间隔之后的类型或电网故障事件，以及当电网的类型时能够切换转换器（110） 故障事件被识别为低电压状态。

    Power conversion system and method for converting DC power at a DC bus into AC power
    9.
    发明授权
    Power conversion system and method for converting DC power at a DC bus into AC power 有权
    将直流母线的直流电转换为交流电的电力转换系统及方法

    公开(公告)号：US08705256B2

    公开(公告)日：2014-04-22

    申请号：US13324154

    申请日：2011-12-13

    Applicant: Kathleen Ann O'Brien ,  Zhuohui Tan ,  Xinhui Wu ,  Maozhong Gong ,  Xueqin Wu

    Inventor： Kathleen Ann O'Brien ,  Zhuohui Tan ,  Xinhui Wu ,  Maozhong Gong ,  Xueqin Wu

    IPC: H02M3/24 ,  H02M7/44 ,  H02M7/537 ,  H02M7/5387

    CPC classification number: H02J3/383 ,  Y02E10/563

    Abstract: Embodiments of the invention relate to a power system for converting direct current (“DC”) power on a DC bus into alternating current (“AC”) power with a regulated voltage output and for feeding the AC power to an electrical system which may include a power utility or an electric grid, for example. A power conversion control system is used for controlling the power conversion and for maintaining the DC bus voltage (“DC voltage”) at a certain level.

    Abstract translation: 本发明的实施例涉及一种用于将直流总线上的直流（“DC”）功率转换成具有稳定电压输出的交流（“AC”）功率并将AC功率馈送到电气系统的电力系统，该电气系统可包括 电力公司或电网。 电力转换控制系统用于控制电力转换和将直流母线电压（“直流电压”）保持在一定水平。

    POWER CONVERSION SYSTEM AND METHOD
    10.
    发明申请
    POWER CONVERSION SYSTEM AND METHOD 有权
    电力转换系统和方法

    公开(公告)号：US20120314467A1

    公开(公告)日：2012-12-13

    申请号：US13324154

    申请日：2011-12-13

    Applicant: Kathleen Ann O'BRIEN ,  Zhuohui Tan ,  Xinhui Wu ,  Maozhong Gong ,  Xueqin Wu

    Inventor： Kathleen Ann O'BRIEN ,  Zhuohui Tan ,  Xinhui Wu ,  Maozhong Gong ,  Xueqin Wu

    IPC: H02M7/537

    CPC classification number: H02J3/383 ,  Y02E10/563

    Abstract: Embodiments of the invention relate to a power system for converting direct current (“DC”) power on a DC bus into alternating current (“AC”) power with a regulated voltage output and for feeding the AC power to an electrical system which may include a power utility or an electric grid, for example. A power conversion control system is used for controlling the power conversion and for maintaining the DC bus voltage (“DC voltage”) at a certain level.

    Abstract translation: 本发明的实施例涉及一种用于将DC总线上的直流（DC）功率转换成具有稳定电压输出的交流（AC）功率并将AC功率馈送到可以包括电力公用事业的电气系统的电力系统的电力系统， 例如电网。 电力转换控制系统用于控制功率转换和将DC总线电压（DC电压）维持在一定水平。

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