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    • 81. 发明申请
    • METHOD AND SYSTEMS FOR OPERATING A WIND TURBINE
    • 风力发电机运行方法与系统
    • US20130234435A1
    • 2013-09-12
    • US13416541
    • 2012-03-09
    • Robert Gregory WagonerAllen Michael Ritter
    • Robert Gregory WagonerAllen Michael Ritter
    • H02P9/04H05K13/08
    • H02P9/007H02P2101/15Y10T29/49004
    • A method and system for reducing a disturbance of an electric grid signal in a wind turbine is provided. The method includes providing a generator for the wind turbine system, and, coupling a power converter to the generator, the power converter. The power converter is configured to monitor at least one of a negative sequence component and a positive sequence component of a signal transmitted from an electric grid, determine if a disturbance exists based on the monitored signal, determine at least a portion of a magnitude of the negative sequence component of the signal, and, orient a voltage of the signal based on the determined magnitude negative sequence component to modify the instantaneous power flow through the power converter.
    • 提供了一种用于减少风力涡轮机中的电网信号的干扰的方法和系统。 该方法包括提供用于风力涡轮机系统的发电机,以及将功率转换器耦合到发电机功率转换器。 功率转换器被配置为监测从电网发送的信号的负序分量和正序分量中的至少一个,基于所监测的信号来确定是否存在干扰,确定至少一部分幅度 信号的负序分量,并且基于确定的幅度负序分量来定向信号的电压,以修改通过功率转换器的瞬时功率流。
    • 82. 发明申请
    • POWER CONVERTER SYSTEMS AND METHODS OF OPERATING A POWER CONVERTER SYSTEM
    • 电力转换器系统和操作电源转换器系统的方法
    • US20130100720A1
    • 2013-04-25
    • US13279424
    • 2011-10-24
    • Cornelius Edward HollidayHuibin ZhuRobert Gregory Wagoner
    • Cornelius Edward HollidayHuibin ZhuRobert Gregory Wagoner
    • H02H9/04
    • H02H9/04H02H3/087H02H9/042H02M3/1584H02M7/48H02M2001/007
    • A power converter system includes a converter, a DC link, an inverter, a damping circuit, and a control system. The converter includes an input to couple to a power generation unit and an output to provide a direct current (DC) DC power output. The DC link includes a capacitor coupled to the converter output. A voltage across the capacitor defines a DC link voltage. The inverter includes an input coupled to the DC link. The damping circuit is coupled between the converter and the inverter in parallel with the DC link capacitor. The damping circuit includes a normally closed switching device, and a resistor coupled in series with the normally closed switching device. The control system is coupled to the damping circuit and configured to control the normally closed switching device as a function of at least one operating parameter of the power converter system.
    • 电力转换器系统包括转换器,直流链路,逆变器,阻尼电路和控制系统。 该转换器包括耦合到发电单元的输入端和用于提供直流(DC)DC功率输出的输出端。 DC链路包括耦合到转换器输出的电容器。 电容两端的电压限定了直流母线电压。 逆变器包括耦合到DC链路的输入。 阻尼电路与直流链路电容器并联连接在转换器和逆变器之间。 阻尼电路包括常闭开关装置和与常闭开关装置串联耦合的电阻器。 控制系统耦合到阻尼电路并且被配置为根据功率转换器系统的至少一个操作参数来控制常闭的开关装置。
    • 83. 发明申请
    • APPARATUS AND METHOD FOR IMPROVED CURRENT SHUNT SENSING
    • 改进电流感测的装置和方法
    • US20130069632A1
    • 2013-03-21
    • US13235795
    • 2011-09-19
    • Robert Gregory WagonerMark Eugene Shepard
    • Robert Gregory WagonerMark Eugene Shepard
    • G01R1/20
    • G01R1/203
    • An apparatus and method for improved current shunt sensing in an electrical system, such as a renewable energy electrical system, is disclosed. A current shunt according to aspects of the present disclosure includes a conductive portion that is placed in series with an electrical system The current shunt includes a sensing element that is used to measure the voltage across the conductive portion of the current shunt. The sensing element has an increased width relative to the width of the conductive portion of the shunt. The increased width of the sensing element provides for improved current shunt sensing that results in more accurate voltage (and thus current) measurements across a wide range of frequencies.
    • 公开了一种用于改进电气系统中的电流分流感测的装置和方法,例如可再生能源电气系统。 根据本公开的方面的电流分路包括与电气系统串联布置的导电部分。电流分流器包括用于测量电流分流器的导电部分上的电压的感测元件。 感测元件相对于分流器的导电部分的宽度具有增大的宽度。 感测元件的增加的宽度提供改进的电流分流感测,其导致宽范围的频率的更精确的电压(以及因此的电流)测量。
    • 89. 发明申请
    • Systems, Methods, and Apparatus for Operating a Power Converter
    • 用于操作电源转换器的系统,方法和装置
    • US20110013432A1
    • 2011-01-20
    • US12505877
    • 2009-07-20
    • Robert Gregory Wagoner
    • Robert Gregory Wagoner
    • H02M7/44H02J1/00
    • H02J3/383Y02E10/563
    • Embodiments of the invention can provide systems, methods, and apparatus for operating a power converter. According to one embodiment, a system for operating a power converter can be provided. The system can include a direct current (DC) power source with an output electrically coupled to an input of the power converter. The system can also include a controller operable to modify the performance of the DC power source through the power converter. As part of this modification, the controller can determine whether a low voltage ride (LVRT) event exists in a load and can adjust the DC power source when a LVRT event occurs.
    • 本发明的实施例可以提供用于操作功率转换器的系统,方法和装置。 根据一个实施例,可以提供用于操作功率转换器的系统。 该系统可以包括具有电耦合到功率转换器的输入的输出的直流(DC)电源。 该系统还可以包括可操作以通过功率转换器来修改直流电源的性能的控制器。 作为该修改的一部分,控制器可以确定负载中是否存在低电压(LVRT)事件,并且可以在发生LVRT事件时调节直流电源。