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    SYSTEM AND METHOD OF OPERATING DOUBLE FED INDUCTION GENERATORS
    1.
    发明申请
    SYSTEM AND METHOD OF OPERATING DOUBLE FED INDUCTION GENERATORS 有权
    双FED感应发生器的系统和方法

    公开(公告)号：US20070132248A1

    公开(公告)日：2007-06-14

    申请号：US11297775

    申请日：2005-12-08

    申请人： Haiqing Weng ,  Robert Delmerico ,  Xiaoming Yuan ,  Changyong Wang

    发明人： Haiqing Weng ,  Robert Delmerico ,  Xiaoming Yuan ,  Changyong Wang

    IPC分类号： H02P9/04

    CPC分类号： H02P9/007 ,  H02P9/006 ,  H02P9/10 ,  H02P2101/15

    摘要： A protection system and a protection method are provided for protecting a double fed induction generator and a gearbox during a grid fault. The protection system includes a plurality of controlled impedance devices. Each of the controlled impedance devices is coupled between a respective phase of a stator winding of the double fed induction generator and a respective phase of a grid side converter. The protection system also includes a controller configured for coupling and decoupling impedance in one or more of the plurality of controlled impedance devices in response to changes in at least one of a utility grid voltage and a utility grid current.

    摘要翻译： 提供了一种保护系统和保护方法，用于在电网故障期间保护双馈感应发电机和变速箱。 保护系统包括多个受控阻抗装置。 每个受控阻抗装置耦合在双馈感应发电机的定子绕组的相位和电网侧转换器的相应相位之间。 保护系统还包括控制器，其被配置为响应于公用电网电压和公用电网电流中的至少一个的变化而耦合和去耦合多个受控阻抗设备中的一个或多个中的阻抗。

    Apparatus, method and computer program product for tracking information in an electric grid
    3.
    发明申请
    Apparatus, method and computer program product for tracking information in an electric grid 有权
    用于跟踪电网信息的装置，方法和计算机程序产品

    公开(公告)号：US20070159265A1

    公开(公告)日：2007-07-12

    申请号：US11329248

    申请日：2006-01-10

    申请人： Haiqing Weng ,  John D'Atre ,  Robert Seymour ,  Allen Ritter ,  Xiaoming Yuan ,  Renchang Dai ,  Robert Delmerico

    发明人： Haiqing Weng ,  John D'Atre ,  Robert Seymour ,  Allen Ritter ,  Xiaoming Yuan ,  Renchang Dai ,  Robert Delmerico

    IPC分类号： H03L7/00

    CPC分类号： G01R19/2513 ,  H04B2203/5466

    摘要： An apparatus for rapidly tracking fundamental frequency information in the signal of an electric grid is a cross-coupled phase-lock loop filter (CCPLL) that includes the use of a phase-lock-loop (PLL) apparatus having a plurality individual filters, wherein an input for a first filter in the plurality of individual filters comprises the signal of the electric grid and an output signal from at least a second filter in the plurality of individual filters. A method for using the CCPLL includes applying a signal to the CCPLL and monitoring the output of the CCPLL. Use of the CCPLL may be accomplished or modeled via computer instructions stored on machine readable media.

    摘要翻译： 一种用于在电网信号中快速跟踪基频信息的装置是交叉耦合锁相环路滤波器（CCPLL），其包括使用具有多个单独滤波器的锁相环（PLL）装置，其中 多个单独滤波器中的第一滤波器的输入包括电网的信号和来自多个单独滤波器中的至少第二滤波器的输出信号。 使用CCPLL的方法包括将信号应用于CCPLL并监视CCPLL的输出。 CCPLL的使用可以通过存储在机器可读介质上的计算机指令来实现或建模。

    Wind farm power ramp rate control system and method
    4.
    发明申请
    Wind farm power ramp rate control system and method 有权
    风电场功率斜坡率控制系统及方法

    公开(公告)号：US20060132993A1

    公开(公告)日：2006-06-22

    申请号：US11015515

    申请日：2004-12-17

    申请人： Robert Delmerico ,  Mark Cardinal ,  Kirk Pierce

    发明人： Robert Delmerico ,  Mark Cardinal ,  Kirk Pierce

    IPC分类号： H02H7/06

    CPC分类号： F03D7/0284 ,  F03D7/048 ,  F05B2270/1033 ,  F05B2270/309 ,  H02J3/382 ,  H02J3/386 ,  Y02E10/723 ,  Y02E10/763 ,  Y10T307/576 ,  Y10T307/718

    摘要： A system and method for controlling power ramp rate of a wind farm is provided. The wind farm includes a plurality of wind turbine generators and a wind farm control system. The wind farm control system is operable to monitor rate of change of collective power output of the wind turbine generators, and to limit the rate of change of collective power output by generating a power output rate limiting signal based on the monitored rate of change of collective power output of the wind turbine generators and a desired collective power ramp of the wind turbine generators and applying the power output rate limiting signal to the plurality of wind turbine generators.

    摘要翻译： 提供了一种用于控制风电场功率斜坡率的系统和方法。 风电场包括多个风力涡轮发电机和风电场控制系统。 风电场控制系统可操作地监测风力发电机组的集体电力输出的变化率，并且通过基于监测的集体变化率产生功率输出速率限制信号来限制集体功率输出的变化率 风力涡轮发电机的功率输出和风力涡轮发电机的期望的总体功率斜坡，并将功率输出速率限制信号施加到多个风力涡轮发电机。

    System, method, and article of manufacture for determining parameter values associated with an electrical grid
    6.
    发明授权
    System, method, and article of manufacture for determining parameter values associated with an electrical grid 有权
    用于确定与电网相关联的参数值的系统，方法和制造

    公开(公告)号：US07346462B2

    公开(公告)日：2008-03-18

    申请号：US11392107

    申请日：2006-03-29

    申请人： Robert Delmerico

    发明人： Robert Delmerico

    IPC分类号： G01R21/00 ,  H02J1/00 ,  H02M7/00

    CPC分类号： G01R21/1271 ,  G01R19/2513 ,  H02J3/383 ,  H02J3/386 ,  Y02E10/563 ,  Y02E10/763 ,  Y10T307/398 ,  Y10T307/511

    摘要： A system, method, and article of manufacture for determining parameter values associated with an electrical grid in accordance with an exemplary embodiment is provided. The electrical grid has a point of interconnection where the electrical grid is electrically coupled to a power source. The method includes measuring real power at the point of interconnection of the electrical grid to obtain a plurality of real power values. The method further includes measuring reactive power at the point of interconnection of the electrical grid to obtain a plurality of reactive power values. The method further includes measuring a voltage at the point of interconnection of the electrical grid to obtain a plurality of voltage values. The method further includes estimating at least one parameter value associated with the electrical grid utilizing the plurality of real power values, the plurality of reactive power values, and the plurality of voltage values, and a mathematical estimation technique.

    摘要翻译： 提供了根据示例性实施例的用于确定与电网相关联的参数值的系统，方法和制品。 电网具有互连点，其中电网电耦合到电源。 该方法包括测量电网互连点处的有功功率以获得多个实际功率值。 该方法还包括测量电网互连点处的无功功率以获得多个无功功率值。 该方法还包括测量电网互连点处的电压以获得多个电压值。 该方法还包括利用多个有功功率值，多个无功功率值和多个电压值来估计与电网相关联的至少一个参数值，以及数学估计技术。

    System and method for operating a wind farm under high wind speed conditions
    7.
    发明申请
    System and method for operating a wind farm under high wind speed conditions 有权
    在高风速条件下运行风电场的系统和方法

    公开(公告)号：US20060132994A1

    公开(公告)日：2006-06-22

    申请号：US11016078

    申请日：2004-12-17

    申请人： Robert Delmerico ,  Mark Cardinal ,  Kirk Pierce

    发明人： Robert Delmerico ,  Mark Cardinal ,  Kirk Pierce

    IPC分类号： H02H7/06

    CPC分类号： F03D7/048 ,  F03D7/028 ,  F03D7/043 ,  F05B2240/96 ,  F05B2270/1033 ,  F05B2270/309 ,  F05B2270/32 ,  F05B2270/335 ,  Y02E10/723 ,  Y10T307/724

    摘要： A system and method of operating a wind farm, having multiple wind turbine generators, at high wind speeds is provided. Wind speeds at individual wind turbine generators are monitored and a signal is transmitted from the wind turbine generators to a wind farm control system based on the monitored wind speeds. Rate of change of collective power output of the wind farm is temporally monitored and is controlled by coordinating of operational states of the wind turbine generators based upon the signals transmitted by the one or more wind turbine generators, operating conditions of the wind turbine generators and the monitored rate of change of power output of the wind farm.

    摘要翻译： 提供了一种以高风速操作具有多个风力发电机的风力发电场的系统和方法。 监测单个风力涡轮发电机的风速，并且基于所监测的风速将信号从风力涡轮发电机传输到风电场控制系统。 根据由一个或多个风力涡轮发电机发送的信号，风力涡轮发电机的运行状况和风力发电机的运行状况，对风力发电机组的集体电力输出的变化率进行时间监控，并且通过协调风力涡轮发电机的运行状态来控制 监测风电场功率变化率。

    Hybrid active power filter with programmed impedance characteristics
    9.
    发明授权
    Hybrid active power filter with programmed impedance characteristics 失效
    具有编程阻抗特性的混合有源电力滤波器

    公开(公告)号：US5910889A

    公开(公告)日：1999-06-08

    申请号：US864999

    申请日：1997-05-29

    申请人： Einar Larsen ,  Robert Delmerico

    发明人： Einar Larsen ,  Robert Delmerico

    IPC分类号： H02J3/01 ,  H02M1/12

    CPC分类号： H02J3/01 ,  Y02E40/22

    摘要： A hybrid active power filter having programmed impedance characteristics is presented. In accordance with which, a passive device comprising a capacitor C.sub.F is connected in series with an active device which are together connected in shunt with a power source and a load at transmission lines of a power system. Capacitor C.sub.F substantially supports the full-line voltage V.sub.H of the power source, whereby the active filter is exposed to a substantially lower voltage than the line voltage V.sub.H. The active device includes on active filter, i.e., an inverter current regulator with a programmable controller for executing a control algorithm. The controller of the active device receives signals corresponding to a voltage V.sub.M, at the low side of filter capacitor C.sub.F. Voltage V.sub.M is at a substantially lower voltage than the line voltage V.sub.H, whereby the cost of sensing voltage V.sub.M is significantly less than sensing the high line voltage V.sub.. The control algorithm of the present invention is expressed as ##EQU1## where I.sub.A is the current in the active device and Y.sub.FAo is an order transfer function of the effective admittance of the active device. Y.sub.FAo is a continuous function which is defined to provide a low impedance path at desired frequencies. Accordingly, the control algorithm controls the current I.sub.A in response to voltage V.sub.M sensed at the low side of filter capacitor C.sub.F as dictated by the programmed function. The active device may be connected to the passive filter at a junction between two capacitors or at a junction between two inductors.

    摘要翻译： 提出了具有编程阻抗特性的混合有源电力滤波器。 根据该方式，包括电容器CF的无源器件与有源器件串联连接，该有源器件一起连接在电源和电力系统的传输线路上的负载分流中。 电容器CF基本上支持电源的全线电压VH，由此有源滤波器暴露于比线电压VH更低的电压。 有源器件包括有源滤波器，即具有用于执行控制算法的可编程控制器的反相器电流调节器。 有源器件的控制器在滤波电容器CF的低侧接收对应于电压VM的信号。 电压VM的电压远低于线路电压VH，因此感测电压VM的成本明显低于感测高的线路电压V.本发明的控制算法表示为：IA是有效的电流 器件和YFAo是有源器件有效导纳的定单传递函数。 YFAo是一种连续功能，其定义为在所需频率下提供低阻抗路径。 因此，控制算法响应于由编程功能所规定的在滤波电容器CF的低侧检测到的电压VM来控制电流IA。 有源器件可以在两个电容器之间的接点处或两个电感器之间的连接处连接到无源滤波器。

    System, method, and article of manufacture for controlling operation of an electrical power generation system
    10.
    发明授权
    System, method, and article of manufacture for controlling operation of an electrical power generation system 有权
    用于控制发电系统运行的系统，方法和制造

    公开(公告)号：US07505833B2

    公开(公告)日：2009-03-17

    申请号：US11392166

    申请日：2006-03-29

    申请人： Robert Delmerico ,  Mark Cardinal ,  Nicholas Miller ,  Dapeng Liu ,  Zhihong Ye

    发明人： Robert Delmerico ,  Mark Cardinal ,  Nicholas Miller ,  Dapeng Liu ,  Zhihong Ye

    IPC分类号： G05D11/00

    CPC分类号： H02J3/50 ,  F03D7/048 ,  H02J3/16 ,  H02J3/383 ,  H02J3/386 ,  Y02E10/563 ,  Y02E10/723 ,  Y02E10/763 ,  Y02E40/34 ,  Y02P70/523 ,  Y10T307/718

    摘要： A system, a method, and an article of manufacture for controlling operation of an electrical power generation system are provided. The electrical power generation system has a plurality of electrical generators electrically coupled to an electrical grid. The method includes obtaining a first output parameter value associated with the electrical power generation system. The method further includes determining an error value indicative of a difference between the first output parameter value and a desired output parameter value. The method further includes determining a first gain value based on at least one of the first output parameter value and a time-varying operational parameter of the electrical power generation system. The method further includes determining a first power value based on the error value and the first gain value. The method further includes determining a second gain value based on at least one of the first output parameter value, the time-varying operational parameter, and a reference value. The method further includes determining a second power value based on the error value and the second gain value. The method further includes generating a desired power command for the electrical power generation system based on the first and second power values.

    摘要翻译： 提供了一种用于控制发电系统的操作的系统，方法和制品。 电力发电系统具有电耦合到电网的多个发电机。 该方法包括获得与发电系统相关联的第一输出参数值。 该方法还包括确定指示第一输出参数值和期望的输出参数值之间的差的误差值。 该方法还包括基于发电系统的第一输出参数值和时变运行参数中的至少一个来确定第一增益值。 该方法还包括基于误差值和第一增益值来确定第一功率值。 该方法还包括基于第一输出参数值，时变操作参数和参考值中的至少一个来确定第二增益值。 该方法还包括基于误差值和第二增益值来确定第二功率值。 该方法还包括基于第一和第二功率值产生用于发电系统的期望功率命令。