公开(公告)号：US20180323620A1

公开(公告)日：2018-11-08

申请号：US15588902

申请日：2017-05-08

Applicant: General Electric Company

Inventor： Govardhan Ganireddy ,  Saurabh Shukla ,  Rajni Burra ,  Robert Gregory Wagoner ,  Anthony Michael Klodowski ,  Yashomani Kolhatkar

IPC: H02J3/38 ,  H02M5/04 ,  H02J3/01

Abstract: An electrical power system includes a cluster of electrical power subsystems, each of the electrical power subsystems including a power converter electrically coupled to a generator having a generator rotor and a generator stator. Each of the electrical power subsystems defines a stator power path and a converter power path for providing power to the power grid. The converter power path includes a partial power transformer. The electrical power system further includes a subsystem breaker configured with each of the electrical power subsystems, and a cluster transformer for connecting each cluster of electrical power subsystems to the power grid. The electrical power system further includes a cluster power path extending between each subsystem breaker and the cluster transformer, and a distortion filter electrically coupled to the cluster transformer. The distortion filter reduces harmonics in current flowing from the electrical power subsystems to the cluster transformer.

公开(公告)号：US09745957B2

公开(公告)日：2017-08-29

申请号：US14202034

申请日：2014-03-10

Applicant: General Electric Company

Inventor： Robert Allen Seymour ,  Anthony Michael Klodowski ,  David Smith ,  Igor Berroteran Gil ,  Werner Gerhard Barton

IPC: B64C27/00 ,  F03D7/02 ,  F03D9/25

CPC classification number: F03D7/026 ,  F03D9/255 ,  F03D17/00 ,  Y02E10/723

Abstract: The present subject matter is directed to a method for initializing a startup sequence of a wind turbine. The method includes a step of defining a plurality of operating conditions of the wind turbine. As such, upon satisfaction of the plurality of operating conditions, a run-ready signal may be generated, wherein the run-ready signal indicates a readiness of a power converter of the wind turbine to generate power. The method may also include defining a subset of the plurality of operating conditions, wherein the subset of operating conditions are independent of speed conditions of the wind turbine. Another step of the method includes generating a spin-ready signal for the wind turbine upon satisfaction of the subset of operating conditions. The method may also include controlling a rotor of the wind turbine based at least in part on the spin-ready signal.

公开(公告)号：US09739841B2

公开(公告)日：2017-08-22

申请号：US14260586

申请日：2014-04-24

Applicant: General Electric Company

Inventor： Igor Berroteran Gil ,  Anthony Michael Klodowski ,  David Smith

IPC: G01R31/42 ,  H02S50/10 ,  H02M1/12 ,  H02M7/219 ,  H02M7/5387 ,  H02H3/05 ,  G01R31/34 ,  H02H7/10 ,  H02H3/20 ,  H02H3/18 ,  F03D17/00

CPC classification number: G01R31/42 ,  F03D17/00 ,  F05B2220/706 ,  G01R31/34 ,  H02H3/05 ,  H02H3/18 ,  H02H3/20 ,  H02H7/10 ,  H02M1/126 ,  H02M7/219 ,  H02M7/5387 ,  H02S50/10 ,  Y02E10/76

Abstract: A method and apparatus for testing operability of a power converter with an existing power conversion assembly of a renewable energy system is disclosed. The method includes transferring a first pulse of energy from an existing power conversion assembly to a power filter of the power converter through first cells within a bridge circuit of the power converter. Another step includes determining a first current-voltage feedback associated with the first pulse. A next step includes transferring a second pulse of energy from the power filter to the existing power conversion assembly through second cells within the bridge circuit such that a portion of the first pulse moves back to the existing power conversion assembly. Another step includes determining a second current-voltage feedback associated with the second pulse. The first and second current-voltage feedbacks are compared with nominal tolerances of the power converter to ensure the power converter is operating properly.

公开(公告)号：US20160341179A1

公开(公告)日：2016-11-24

申请号：US14717132

申请日：2015-05-20

Applicant: General Electric Company

Inventor： Anthony Michael Klodowski ,  David Smith

IPC: F03D7/00 ,  F03D9/00

CPC classification number: F03D7/00 ,  F03D7/0292 ,  F03D7/042 ,  F03D9/25 ,  F03D9/255 ,  F05B2270/332 ,  Y02E10/723 ,  Y02P70/523

Abstract: Systems and methods for controlling a wind turbine are provided. An operating limit for a component of the wind turbine can be determined based on various environmental conditions (e.g. temperature, altitude, air density, wind speed, etc.) using a de-rating scheme. The operating limit determined using the de-rating scheme can be limited based on a rated operational limit for the at least one component as specified, for instance, by the manufacturer of the component. The wind turbine can be controlled based on the operating limit. For instance, an operating condition of the wind turbine can be controlled so as that operation of the wind turbine does not cause an operational parameter (e.g. an electrical current) to exceed the operating limit determined for the component of the wind turbine.

Abstract translation: 提供了用于控制风力涡轮机的系统和方法。 可以基于各种环境条件（例如，温度，高度，空气密度，风速等）使用降额计划来确定风力涡轮机的部件的操作限制。 使用降额计划确定的操作限制可以基于例如由组件的制造商指定的至少一个部件的额定操作限制来限制。 风力涡轮机可以根据操作限制进行控制。 例如，可以控制风力涡轮机的操作条件，使得风力涡轮机的操作不会使操作参数（例如电流）超过为风力涡轮机的部件确定的操作限制。

公开(公告)号：US20160146191A1

公开(公告)日：2016-05-26

申请号：US14548570

申请日：2014-11-20

Applicant: General Electric Company

Inventor： Igor Berroteran Gil ,  Anthony Michael Klodowski ,  Werner Gerhard Barton

IPC: F03D9/00 ,  H02P9/00 ,  H01F29/04 ,  F03D7/04

CPC classification number: F03D7/042 ,  F03D7/0272 ,  F03D9/255 ,  H01F29/04 ,  H02P9/007 ,  H02P13/06 ,  Y02E10/723

Abstract: System and methods for optimizing operation of a wind turbine are disclosed. In one aspect, the method also includes determining, via a converter controller of a power converter, a tap position of a tap changer configured between the power grid and a primary winding of a transformer. Another step includes calculating, via the converter controller, a primary voltage of the primary winding as a function of the tap position. The method also includes implementing, via the converter controller, a control action if the primary voltage or a measured secondary voltage of a secondary winding of the transformer is outside of a predetermined voltage range.

Abstract translation: 公开了用于优化风力涡轮机的操作的系统和方法。 一方面，该方法还包括通过功率转换器的转换器控制器确定配置在电网与变压器初级绕组之间的分接开关的抽头位置。 另一步骤包括通过转换器控制器计算作为分接头位置的函数的初级绕组的初级电压。 该方法还包括如果变压器的次级绕组的初级电压或测量的次级电压在预定电压范围之外，则通过转换器控制器实现控制动作。

公开(公告)号：US09343991B2

公开(公告)日：2016-05-17

申请号：US13744975

申请日：2013-01-18

Applicant: General Electric Company

Inventor： Robert Gregory Wagoner ,  Anthony Michael Klodowski

IPC: H02M5/458 ,  H02M5/42 ,  H02M5/293 ,  H02M7/493 ,  H02P9/00 ,  H02P101/15

CPC classification number: H02M5/42 ,  H02M5/293 ,  H02M5/4585 ,  H02M7/493 ,  H02P9/007 ,  H02P2101/15 ,  H02P2207/073

Abstract: Systems and methods for reducing current imbalance between parallel bridge circuits used in a power converter of a power generation system, such as a wind driven doubly fed induction generator (DFIG) system, are provided. The power converter can include a plurality of bridge circuits coupled in parallel to increase the output power capability of the system. Each of the bridge circuits can include a pair of switching elements, such as insulated gate bipolar transistors (IGBTs), coupled in series with one another. The switching elements of the parallel bridge circuits can be controlled, for instance, using control commands (e.g. pulse width modulation commands) according to a substantially non-interleaved switching pattern. The timing of the control commands according to the substantially non-interleaved switching pattern can be adjusted to reduce current imbalance between the parallel bridge circuits.

Abstract translation: 提供了用于减少在诸如风力驱动双馈感应发电机（DFIG）系统的发电系统的功率转换器中使用的并联桥电路之间的电流不平衡的系统和方法。 功率转换器可以包括并联耦合的多个桥式电路，以增加系统的输出功率能力。 每个桥接电路可以包括彼此串联耦合的一对开关元件，例如绝缘栅双极晶体管（IGBT）。 并联电路电路的开关元件可以例如根据基本上非交错的开关模式使用控制命令（例如，脉冲宽度调制命令）进行控制。 可以调整根据基本上非交织的开关模式的控制命令的定时，以减少并联桥电路之间的电流不平衡。

公开(公告)号：US20150309119A1

公开(公告)日：2015-10-29

申请号：US14260586

申请日：2014-04-24

Applicant: General Electric Company

Inventor： Igor Berroteran Gil ,  Anthony Michael Klodowski ,  David Smith

IPC: G01R31/34

CPC classification number: G01R31/42 ,  F03D17/00 ,  F05B2220/706 ,  G01R31/34 ,  H02H3/05 ,  H02H3/18 ,  H02H3/20 ,  H02H7/10 ,  H02M1/126 ,  H02M7/219 ,  H02M7/5387 ,  H02S50/10 ,  Y02E10/76

Abstract: A method and apparatus for testing operability of a power converter with an existing power conversion assembly of a renewable energy system is disclosed. The method includes transferring a first pulse of energy from an existing power conversion assembly to a power filter of the power converter through first cells within a bridge circuit of the power converter. Another step includes determining a first current-voltage feedback associated with the first pulse. A next step includes transferring a second pulse of energy from the power filter to the existing power conversion assembly through second cells within the bridge circuit such that a portion of the first pulse moves back to the existing power conversion assembly. Another step includes determining a second current-voltage feedback associated with the second pulse. The first and second current-voltage feedbacks are compared with nominal tolerances of the power converter to ensure the power converter is operating properly.

Abstract translation: 公开了一种用于利用可再生能源系统的现有功率转换组件测试功率转换器的可操作性的方法和装置。 该方法包括通过功率转换器的桥式电路内的第一单元将来自现有功率转换组件的第一能量脉冲传送到功率转换器的功率滤波器。 另一步骤包括确定与第一脉冲相关联的第一电流 - 电压反馈。 下一步骤包括通过桥接电路内的第二单元将来自功率滤波器的第二能量脉冲转移到现有的功率转换组件，使得第一脉冲的一部分移回到现有的功率转换组件。 另一步骤包括确定与第二脉冲相关联的第二电流 - 电压反馈。 将第一和第二电流 - 电压反馈与功率转换器的标称公差进行比较，以确保功率转换器正常工作。

公开(公告)号：US09048764B2

公开(公告)日：2015-06-02

申请号：US13904342

申请日：2013-05-29

Applicant: General Electric Company

Inventor： Robert Gregory Wagoner ,  Anthony Michael Klodowski ,  David Smith ,  Steven Wade Sutherland

IPC: H02P9/00 ,  H02P29/02 ,  H02H1/00 ,  H02M1/32 ,  H02J1/00 ,  H02M5/458 ,  H02M7/493 ,  H02P3/22 ,  H02P9/10

CPC classification number: H02P9/007 ,  H02H1/00 ,  H02J1/00 ,  H02M1/32 ,  H02M5/4585 ,  H02M7/493 ,  H02P3/22 ,  H02P9/10 ,  H02P29/0241 ,  H02P2101/15 ,  Y02E10/725

Abstract: A power generation system may include a generator and a power converter coupled to the generator. The power converter may include a plurality of bridge circuits coupled in parallel. Each bridge circuit may be coupled to an inductor. In addition, the power converter may include a plurality of parallel shorting devices. The shorting devices may be coupled to the bridge circuits such that an impedance of the inductors is effectively coupled between the shorting devices and the generator.

Abstract translation: 发电系统可以包括发电机和耦合到发电机的功率转换器。 功率转换器可以包括并联耦合的多个桥式电路。 每个桥接电路可以耦合到电感器。 此外，功率转换器可以包括多个并联短路装置。 短路装置可以耦合到桥式电路，使得电感器的阻抗有效地耦合在短路装置​​和发电机之间。

公开(公告)号：US20140354244A1

公开(公告)日：2014-12-04

申请号：US13904342

申请日：2013-05-29

Applicant: General Electric Company

Inventor： Robert Gregory Wagoner ,  Anthony Michael Klodowski ,  David Smith ,  Steven Wade Sutherland

IPC: H02P9/00

CPC classification number: H02P9/007 ,  H02H1/00 ,  H02J1/00 ,  H02M1/32 ,  H02M5/4585 ,  H02M7/493 ,  H02P3/22 ,  H02P9/10 ,  H02P29/0241 ,  H02P2101/15 ,  Y02E10/725

Abstract: A power generation system may include a generator and a power converter coupled to the generator. The power converter may include a plurality of bridge circuits coupled in parallel. Each bridge circuit may be coupled to an inductor. In addition, the power converter may include a plurality of parallel shorting devices. The shorting devices may be coupled to the bridge circuits such that an impedance of the inductors is effectively coupled between the shorting devices and the generator.

Abstract translation: 发电系统可以包括发电机和耦合到发电机的功率转换器。 功率转换器可以包括并联耦合的多个桥式电路。 每个桥接电路可以耦合到电感器。 此外，功率转换器可以包括多个并联短路装置。 短路装置可以耦合到桥式电路，使得电感器的阻抗有效地耦合在短路装置​​和发电机之间。

公开(公告)号：US20130128631A1

公开(公告)日：2013-05-23

申请号：US13682938

申请日：2012-11-21

Applicant: General Electric Company

Inventor： Wenqiang Yang ,  Anthony Michael Klodowski ,  Robert Allen Seymour

IPC: H02J3/36

CPC classification number: H02J3/36 ,  H02M7/487

Abstract: A control system includes first and second fundamental control units for generating first and second fundamental commands, and a compensation control unit. The compensation control unit includes first and second calculation elements and a comparator for comparing first and second modulation indexes. When the first modulation index is less than the second modulation index, the first calculation element generates a first source-side compensation command. When the first source-side compensation command is not sufficient to balance the neutral point voltage, the first calculation element further generates a first line-side compensating command. When the first modulation index is greater than the second modulation index, the second calculation element generates a second line-side compensation command. When the second line-side compensation command is not sufficient to balance the neutral point voltage, the second calculation element further generates a second source-side compensating command.

Abstract translation: 控制系统包括用于产生第一和第二基本命令的第一和第二基本控制单元和补偿控制单元。 补偿控制单元包括第一和第二计算元件和用于比较第一和第二调制指数的比较器。 当第一调制指数小于第二调制指数时，第一计算元件产生第一源侧补偿命令。 当第一源极补偿指令不足以平衡中性点电压时，第一计算元件进一步产生第一线路侧补偿命令。 当第一调制指数大于第二调制指数时，第二计算元件产生第二行侧补偿命令。 当第二线路侧补偿命令不足以平衡中性点电压时，第二计算元件进一步产生第二源侧补偿命令。