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公开(公告)号：US20130054043A1
公开(公告)日：2013-02-28
申请号：US13222441
申请日：2011-08-31
IPC分类号： G06F1/28
CPC分类号： G01R31/343 , F05B2220/7068 , F05B2260/80 , F05B2270/327 , F05B2270/337 , G01R31/42
摘要： A fault detection system is provided, and includes a generator, a power converter, a breaker, a current monitoring device, and a control module. The power converter is selectively connected to the generator and is selectively activated to produce a test voltage. The breaker is located between the generator and the power converter for selectively connecting the generator to the power converter. The breaker includes an open position and a closed position. The current monitoring device is located between the generator and the power converter. The current monitoring device measures a line current between the generator and the power converter. The control module is in communication with the current monitoring device and the power converter. The control module has a memory with a threshold current value.
摘要翻译： 提供了一种故障检测系统，包括发电机，功率转换器，断路器，电流监视装置和控制模块。 功率转换器选择性地连接到发生器，并且被选择性地激活以产生测试电压。 断路器位于发电机和功率转换器之间，用于选择性地将发电机连接到功率转换器。 断路器包括打开位置和关闭位置。 电流监测装置位于发电机和电力转换器之间。 电流监测装置测量发电机和功率转换器之间的线路电流。 控制模块与当前监控设备和电源转换器通信。 控制模块具有具有阈值电流值的存储器。
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公开(公告)号：US08310074B2
公开(公告)日：2012-11-13
申请号：US12609824
申请日：2009-10-30
CPC分类号： F03D9/255 , F05B2270/337 , H02J3/386 , H02M1/12 , H02P9/007 , H02P9/105 , H02P29/50 , H02P2101/15 , Y02E10/72 , Y02E10/763
摘要： A power converter for a wind turbine including an array of switching devices and a control module having a current damping device. The control module is configured to control a switching behavior of the array of switching devices and to receive a current having a first frequency component from the wind turbine. The current damping device is configured to reduce an amplitude of the first frequency component.
摘要翻译： 一种用于风力涡轮机的功率转换器，包括开关装置阵列和具有电流阻尼装置的控制模块。 控制模块被配置为控制开关装置阵列的切换行为并且接收来自风力涡轮机的具有第一频率分量的电流。 当前阻尼装置被配置为减小第一频率分量的振幅。
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公开(公告)号：US08022565B2
公开(公告)日：2011-09-20
申请号：US12618171
申请日：2009-11-13
申请人： Hartmut Scholte-Wassink , Mark Edward Cardinal , Anthony Michael Klodowski , Till Hoffmann , Jignesh G. Gandhi , Sidney Allen Barker , Gert Torbohm , Christoph Schulten
发明人： Hartmut Scholte-Wassink , Mark Edward Cardinal , Anthony Michael Klodowski , Till Hoffmann , Jignesh G. Gandhi , Sidney Allen Barker , Gert Torbohm , Christoph Schulten
CPC分类号： F03D7/043 , F03D7/0292 , F05B2240/40 , F05B2270/1033 , F05B2270/332 , H02P9/10 , H02P2101/15 , Y02E10/723
摘要： A control system for a wind turbine, the control system having at least one measurement device configured to measure at least one operating condition of the wind turbine and a first controller. The first controller is configured to calculate an operating limit of the wind turbine based on the measured operating condition and to adjust the operating limit based on a limiting condition of a component of the wind turbine.
摘要翻译： 一种用于风力涡轮机的控制系统，所述控制系统具有至少一个测量装置，其被配置成测量所述风力涡轮机和所述第一控制器的至少一个操作状态。 第一控制器被配置为基于测量的操作条件计算风力涡轮机的操作极限，并且基于风力涡轮机的部件的限制条件来调整操作极限。
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公开(公告)号：US20110101689A1
公开(公告)日：2011-05-05
申请号：US12609824
申请日：2009-10-30
CPC分类号： F03D9/255 , F05B2270/337 , H02J3/386 , H02M1/12 , H02P9/007 , H02P9/105 , H02P29/50 , H02P2101/15 , Y02E10/72 , Y02E10/763
摘要： A power converter for a wind turbine including an array of switching devices and a control module having a current damping device. The control module is configured to control a switching behavior of the array of switching devices and to receive a current having a first frequency component from the wind turbine. The current damping device is configured to reduce an amplitude of the first frequency component.
摘要翻译： 一种用于风力涡轮机的功率转换器，包括开关装置阵列和具有电流阻尼装置的控制模块。 控制模块被配置为控制开关装置阵列的切换行为并且接收来自风力涡轮机的具有第一频率分量的电流。 当前阻尼装置被配置为减小第一频率分量的振幅。
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公开(公告)号：US20100133904A1
公开(公告)日：2010-06-03
申请号：US12605514
申请日：2009-10-26
IPC分类号： H02J3/04
CPC分类号： H02M7/48 , H02J3/383 , H02M3/158 , H02M7/539 , H02M2001/0054 , H02M2001/007 , Y02B70/1491 , Y02E10/563 , Y10T307/352
摘要： Systems, methods, and apparatus for supplying AC power to an AC power grid from a DC power source, such as a photovoltaic (PV) array are disclosed. The systems and methods can include a converter coupled to the DC power source that provides DC power to a DC bus at a DC bus voltage. The systems and methods can further include an inverter coupled to the DC bus for converting the DC power of the DC bus to an output AC power. The systems and methods can further include a control system configured to regulate the DC bus voltage of the DC bus to operate at a variable DC bus voltage setpoint. The control system can adjust the DC bus voltage setpoint based at least in part on the DC bus voltage and the output AC current of the inverter.
摘要翻译： 公开了用于从DC电源（例如光伏（PV））阵列向交流电网提供AC电力的系统，方法和装置。 该系统和方法可以包括耦合到直流电源的转换器，其以直流总线电压向直流总线提供直流电力。 该系统和方法还可以包括耦合到DC总线的逆变器，用于将DC总线的DC电力转换成输出AC电力。 所述系统和方法还可以包括配置成调节DC总线的DC总线电压以在可变的DC总线电压设定点下工作的控制系统。 控制系统可以至少部分地基于直流母线电压和逆变器的输出交流电流来调节直流母线电压设定值。
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公开(公告)号：US08693220B2
公开(公告)日：2014-04-08
申请号：US13281879
申请日：2011-10-26
CPC分类号： H02P9/00 , H02P21/06 , H02P21/141
摘要： A system for improving wind turbine generator performance is disclosed. In one aspect a rotary power generation system is provided, including: a rotary power generator for generating variable-frequency alternating currents; a negative sequence current regulator that determines and uses frequency-dependent D-axis and Q-axis negative sequence gains based on an electrical frequency of the rotary power generator; and a system for controlling voltage components for balancing the variable-frequency alternating currents generated by the rotary power generator based on the selected D-axis and Q-axis negative sequence gains.
摘要翻译： 公开了一种改善风力发电机性能的系统。 一方面，提供了一种旋转发电系统，包括：用于产生可变频率交流电的旋转发电机; 负序电流调节器，其基于旋转发电机的电频率来确定并使用依赖于频率的D轴和Q轴负序增益; 以及用于基于所选择的D轴和Q轴负序增益来控制用于平衡由旋转发电机产生的可变频率交流电的电压分量的系统。
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7.发明申请METHOD AND SYSTEMS FOR OPERATING A WIND TURBINE USING DYNAMIC BRAKING IN RESPONSE TO A GRID EVENT 有权使用动态制动操作风力发电机的方法和系统对电网事件的响应公开(公告)号：US20140070535A1
公开(公告)日：2014-03-13
申请号：US13606530
申请日：2012-09-07
申请人： Robert Gregory Wagoner , Allen Michael Ritter , Einar Vaughn Larsen , Anthony Michael Klodowski , Sidney Allen Barker
发明人： Robert Gregory Wagoner , Allen Michael Ritter , Einar Vaughn Larsen , Anthony Michael Klodowski , Sidney Allen Barker
CPC分类号： F03D7/0244 , F05B2260/90 , F05B2270/107 , H02J3/386 , Y02E10/723 , Y02E10/763
摘要： A method and system for dissipating energy in a direct current (dc) bus of a doubly-fed induction generator (DFIG) converter during a grid event is described. In one aspect, the method comprises monitoring operating conditions of an electrical system, the electrical system comprising at least a DFIG generator and a line side converter and a rotor side converter connected by a dc bus having a dynamic brake connected thereto; detecting an overvoltage on the dc bus or a condition indicative of an overvoltage on the dc link is detected, the overvoltage on the dc bus or condition indicative of the overvoltage caused by a grid event; and causing energy in the dc link to be dissipated using the dynamic brake.
摘要翻译： 描述了在网格事件期间在双馈感应发电机（DFIG）转换器的直流（dc）总线中耗散能量的方法和系统。 一方面，该方法包括监视电气系统的操作条件，该电气系统至少包括一个DFIG发电机和一个线路侧转换器，以及一个通过直流总线连接的转子侧转换器，该直流总线连接有动态制动器; 检测直流母线上的过电压或表示直流母线上的过电压的状态，直流母线上的过电压或指示由电网事件引起的过电压的状态; 并且使用动态制动器使直流链路中的能量消散。
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8.发明申请SYSTEM AND METHOD FOR CONTROLLING A DUAL-FED INDUCTION GENERATOR IN RESPONSE TO HIGH-VOLTAGE GRID EVENTS 有权用于控制双电平电感发生器对高压电网事件的响应的系统和方法公开(公告)号：US20140062424A1
公开(公告)日：2014-03-06
申请号：US13600730
申请日：2012-08-31
IPC分类号： H02P9/10
CPC分类号： H02J3/386 , H02P9/007 , H02P9/10 , Y02E10/763
摘要： In one aspect, a method for controlling a dual-fed induction generator (DFIG) during a high-voltage grid event is provided. The method includes setting, by a controller, an output of a closed-loop portion of a rotor current regulator to a fixed value such that a predictive feed-forward path sets an internal voltage for the DFIG; and detecting, by the controller, a condition of high dc voltage on a dc link or a condition predictive of high dc voltage on the dc link, and in response reduce a rotor torque producing current command to approximately zero, wherein the dc link connects a line-side converter connected to a system bus and a rotor-side converter connected to a rotor of the DFIG.
摘要翻译： 一方面，提供了一种用于在高电压电网事件期间控制双馈感应发电机（DFIG）的方法。 该方法包括通过控制器将转子电流调节器的闭环部分的输出设置为固定值，使得预测前馈路径设置DFIG的内部电压; 以及由所述控制器检测直流链路上的高直流电压的条件或预测所述直流链路上的高直流电压的条件，并且响应于将产生电流指令的转子扭矩减小到大约零，其中所述直流链路将 连接到系统总线的线路侧转换器和连接到DFIG的转子的转子侧转换器。
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公开(公告)号：US08509958B2
公开(公告)日：2013-08-13
申请号：US13239647
申请日：2011-09-22
CPC分类号： F03D7/0284 , F05B2270/10711 , F05B2270/335 , F05B2270/337 , H02J3/386 , Y02E10/723 , Y02E10/763
摘要： A power limiter system is described. The power limiter system is configured to receive a phase locked loop (PLL) error signal; analyze the PLL error signal to identify an occurrence of a grid contingency event; generate a first power command signal corresponding to an occurrence of the grid contingency event; and, transmit the first command signal to a converter interface controller. The system further includes a memory configured to store at least one variable that corresponds to the PLL error signal upon identification of an occurrence of the grid contingency event.
摘要翻译： 描述了功率限制器系统。 功率限制器系统被配置为接收锁相环（PLL）误差信号; 分析PLL错误信号以识别网格意外事件的发生; 产生对应于电网事故事件的发生的第一电力指令信号; 并将第一命令信号发送到转换器接口控制器。 该系统还包括被配置为在识别网格事件事件的发生时存储对应于PLL错误信号的至少一个变量的存储器。
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公开(公告)号：US20130107586A1
公开(公告)日：2013-05-02
申请号：US13281879
申请日：2011-10-26
IPC分类号： H02M5/40
CPC分类号： H02P9/00 , H02P21/06 , H02P21/141
摘要： A system for improving wind turbine generator performance is disclosed. In one aspect a rotary power generation system is provided, including: a rotary power generator for generating variable-frequency alternating currents; a negative sequence current regulator that determines and uses frequency-dependent D-axis and Q-axis negative sequence gains based on an electrical frequency of the rotary power generator; and a system for controlling voltage components for balancing the variable-frequency alternating currents generated by the rotary power generator based on the selected D-axis and Q-axis negative sequence gains.
摘要翻译： 公开了一种改善风力发电机性能的系统。 一方面，提供了一种旋转发电系统，包括：用于产生可变频率交流电的旋转发电机; 负序电流调节器，其基于旋转发电机的电频率来确定并使用依赖于频率的D轴和Q轴负序增益; 以及用于基于所选择的D轴和Q轴负序增益来控制用于平衡由旋转发电机产生的可变频率交流电的电压分量的系统。
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