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公开(公告)号：US08803352B1
公开(公告)日：2014-08-12
申请号：US13893467
申请日：2013-05-14
Applicant: General Electric Company
Inventor： Arne Koerber , William Edwin Holley , Leonardo Cesar Kammer , Charudatta Subhash Mehendale
IPC: F03D9/00
CPC classification number: F03D7/028 , F03D7/0224 , F03D7/0276 , F03D7/045 , F05B2270/20 , F05B2270/32 , F05B2270/327 , F05B2270/328 , F05B2270/335 , Y02E10/723
Abstract: Wind turbines and methods for controlling wind turbine loading are provided. In one embodiment, a method includes the steps of determining a current wind speed. The method further includes determining a tip speed ratio and a pitch angle that maximize a power coefficient under at least one of the following conditions: a thrust value is less than or equal to a pre-established maximum thrust, a generator speed value is less than or equal to a pre-established maximum generator speed, or a generator torque is less than or equal to a pre-established maximum generator torque. The method further includes calculating a desired generator speed value based on the current wind speed and a tip speed ratio. The method further includes calculating a desired generator power value based on the desired generator speed value.
Abstract translation: 提供了风力涡轮机和控制风力涡轮机负载的方法。 在一个实施例中，一种方法包括确定当前风速的步骤。 该方法还包括确定在以下条件中的至少一个条件下使功率系数最大化的尖端速度比和俯仰角：推力值小于或等于预先建立的最大推力，发电机速度值小于 或等于预先建立的最大发电机速度，或者发电机转矩小于或等于预先确定的最大发电机转矩。 该方法还包括基于当前风速和叶尖速度比来计算期望的发电机速度值。 该方法还包括基于期望的发电机速度值来计算期望的发电机功率值。
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2.发明申请CONTROL SYSTEM AND METHOD FOR MITIGATING LOADS DURING YAW ERROR ON A WIND TURBINE 有权控制系统和方法，用于在风力涡轮机发生故障时减轻负载公开(公告)号：US20140169964A1
公开(公告)日：2014-06-19
申请号：US13718387
申请日：2012-12-18
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Rajeeva Kumar , Charudatta Subhash Mehendale
IPC: F03D7/02
CPC classification number: F03D7/0204 , F03D7/0224 , F05B2270/329 , Y02E10/723
Abstract: A control system for mitigating loads on a wind turbine comprising a plurality of blades in yaw error events includes a yaw error calculation unit for calculating a yaw error of the wind turbine, a pitch angle reference command calculation unit for calculating a plurality of pitch angle reference commands respectively corresponding to the plurality of blades at least based on the calculated yaw error, and a controller for producing a plurality of pitch commands at least based on the plurality of pitch angle reference commands, to respectively regulate the pitch angles of the plurality of blades.
Abstract translation: 一种用于减轻包括偏航误差事件中的多个叶片的风力涡轮机上的负载的控制系统，包括用于计算风力涡轮机的偏航误差的偏航误差计算单元，用于计算多个俯仰角基准的俯仰角基准指令计算单元 至少基于所计算的偏航误差分别对应于所述多个叶片的命令，以及至少基于所述多个俯仰角参考指令来产生多个俯仰命令的控制器，以分别调节所述多个叶片的俯仰角 。
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公开(公告)号：US20140301842A1
公开(公告)日：2014-10-09
申请号：US13857205
申请日：2013-04-05
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Arne Koerber , William Edwin Holley , Leonardo Cesar Kammer , Charudatta Subhash Mehendale
IPC: F03D7/02
CPC classification number: F03D7/0224 , F05B2270/331 , F05B2270/336 , F05B2270/402 , F05B2270/404 , Y02E10/723
Abstract: Methods are provided for controlling wind turbine loading. In one embodiment, a method includes the steps of determining a current thrust value for the wind turbine, calculating a thrust differential based on the current thrust value and a predetermined maximum thrust value, calculating a desired pitch offset value based on the thrust differential and a thrust sensitivity value, and adjusting a pitch of the wind turbine utilizing the pitch offset value.
Abstract translation: 提供了控制风力涡轮机负载的方法。 在一个实施例中，一种方法包括以下步骤：确定风力涡轮机的当前推力值，基于当前推力值和预定的最大推力值计算推力差，基于推力差计算所需的俯仰偏移值，以及 推力灵敏度值，并利用俯仰偏移值调整风力涡轮机的俯仰。
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公开(公告)号：US09683553B2
公开(公告)日：2017-06-20
申请号：US14019838
申请日：2013-09-06
Applicant: General Electric Company
Inventor： Dale Robert Mashtare , James Henry Madge , Charudatta Subhash Mehendale , George Albert Goller , Conner B. Shane
CPC classification number: F03D15/10 , F03D9/25 , F03D17/00 , F05B2260/30 , F05B2260/80 , F05B2270/331 , F05B2270/821 , F16H57/01 , F16H57/025 , F16H2057/012 , Y02E10/722
Abstract: Systems and methods for monitoring wind turbine loading are provided. In one embodiment, a system includes a main shaft, a bedplate, and a gearbox coupled to the main shaft and mounted to the bedplate. The gearbox includes an outer casing and a torque arm extending from the outer casing. The system further includes an isolation mount coupled to the torque arm, and a sensor configured to measure displacement of the torque arm. In another embodiment, a method includes operating the wind turbine, and detecting displacement of a torque arm of a gearbox of the wind turbine. The method further includes calculating a moment for a main shaft of the wind turbine based on the displacement of the torque arm.
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Patent Agency Ranking
公开(公告)号：US20150069762A1
公开(公告)日：2015-03-12
申请号：US14019838
申请日：2013-09-06
Applicant: General Electric Company
Inventor： Dale Robert Mashtare , James Henry Madge , Charudatta Subhash Mehendale , George Albert Goller , Conner B. Shane
CPC classification number: F03D15/10 , F03D9/25 , F03D17/00 , F05B2260/30 , F05B2260/80 , F05B2270/331 , F05B2270/821 , F16H57/01 , F16H57/025 , F16H2057/012 , Y02E10/722
Abstract: Systems and methods for monitoring wind turbine loading are provided. In one embodiment, a system includes a main shaft, a bedplate, and a gearbox coupled to the main shaft and mounted to the bedplate. The gearbox includes an outer casing and a torque arm extending from the outer casing. The system further includes an isolation mount coupled to the torque arm, and a sensor configured to measure displacement of the torque arm. In another embodiment, a method includes operating the wind turbine, and detecting displacement of a torque arm of a gearbox of the wind turbine. The method further includes calculating a moment for a main shaft of the wind turbine based on the displacement of the torque arm.
Abstract translation: 提供了用于监测风力涡轮机负载的系统和方法。 在一个实施例中，系统包括主轴，底板和耦合到主轴并安装到底板的齿轮箱。 齿轮箱包括外壳和从外壳延伸的扭矩臂。 该系统还包括联接到扭矩臂的隔离安装件和构造成测量扭矩臂的位移的传感器。 在另一个实施例中，一种方法包括操作风力涡轮机，以及检测风力涡轮机的变速箱的转矩臂的位移。 该方法还包括基于转矩臂的位移来计算风力涡轮机主轴的力矩。
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公开(公告)号：US09341159B2
公开(公告)日：2016-05-17
申请号：US13857205
申请日：2013-04-05
Applicant: General Electric Company
Inventor： Arne Koerber , William Edwin Holley , Leonardo Cesar Kammer , Charudatta Subhash Mehendale
CPC classification number: F03D7/0224 , F05B2270/331 , F05B2270/336 , F05B2270/402 , F05B2270/404 , Y02E10/723
Abstract: Methods are provided for controlling wind turbine loading. In one embodiment, a method includes the steps of determining a current thrust value for the wind turbine, calculating a thrust differential based on the current thrust value and a predetermined maximum thrust value, calculating a desired pitch offset value based on the thrust differential and a thrust sensitivity value, and adjusting a pitch of the wind turbine utilizing the pitch offset value.
Abstract translation: 提供了控制风力涡轮机负载的方法。 在一个实施例中，一种方法包括以下步骤：确定风力涡轮机的当前推力值，基于当前推力值和预定的最大推力值计算推力差，基于推力差计算所需的俯仰偏移值，以及 推力灵敏度值，并利用俯仰偏移值调整风力涡轮机的俯仰。
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7.发明授权Control system and method for mitigating loads during yaw error on a wind turbine 有权用于减轻风力涡轮机偏航误差时的负载的控制系统和方法公开(公告)号：US09303626B2
公开(公告)日：2016-04-05
申请号：US13718387
申请日：2012-12-18
Applicant: General Electric Company
Inventor： Rajeeva Kumar , Charudatta Subhash Mehendale
IPC: F03D7/02
CPC classification number: F03D7/0204 , F03D7/0224 , F05B2270/329 , Y02E10/723
Abstract: A control system for mitigating loads on a wind turbine comprising a plurality of blades in yaw error events includes a yaw error calculation unit for calculating a yaw error of the wind turbine, a pitch angle reference command calculation unit for calculating a plurality of pitch angle reference commands respectively corresponding to the plurality of blades at least based on the calculated yaw error, and a controller for producing a plurality of pitch commands at least based on the plurality of pitch angle reference commands, to respectively regulate the pitch angles of the plurality of blades.
Abstract translation: 一种用于减轻包括偏航误差事件中的多个叶片的风力涡轮机上的负载的控制系统，包括用于计算风力涡轮机的偏航误差的偏航误差计算单元，用于计算多个俯仰角基准的俯仰角基准指令计算单元 至少基于所计算的偏航误差分别对应于所述多个叶片的命令，以及至少基于所述多个俯仰角参考指令来产生多个俯仰命令的控制器，以分别调节所述多个叶片的俯仰角 。
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公开(公告)号：US09745958B2
公开(公告)日：2017-08-29
申请号：US14319904
申请日：2014-06-30
Applicant: General Electric Company
CPC classification number: F03D7/044 , F03D7/0212 , F03D7/026 , F03D7/0264 , F03D7/0276 , Y02E10/723
Abstract: A method and a system for managing loads on a wind turbine are provided. The method includes receiving a signal relative to a yaw misalignment of the wind turbine, generating a yaw error signal based on the yaw misalignment, and comparing the yaw error signal to a first predetermined yaw error threshold value. The method also includes regulating a speed of the rotor to a value determined by a predetermined tip speed ratio, reducing the yaw misalignment using a yaw control system, and restarting the wind turbine if the yaw error signal is reduced to less than a second predetermined yaw error threshold value within a predetermined period of time. The method further includes shutting down the wind turbine if the yaw error signal remains greater than the second predetermined yaw error threshold value beyond the predetermined period of time.
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公开(公告)号：US20150377215A1
公开(公告)日：2015-12-31
申请号：US14319904
申请日：2014-06-30
Applicant: General Electric Company
CPC classification number: F03D7/044 , F03D7/0212 , F03D7/026 , F03D7/0264 , F03D7/0276 , Y02E10/723
Abstract: A method and a system for managing loads on a wind turbine are provided. The method includes receiving a signal relative to a yaw misalignment of the wind turbine, generating a yaw error signal based on the yaw misalignment, and comparing the yaw error signal to a first predetermined yaw error threshold value. The method also includes regulating a speed of the rotor to a value determined by a predetermined tip speed ratio, reducing the yaw misalignment using a yaw control system, and restarting the wind turbine if the yaw error signal is reduced to less than a second predetermined yaw error threshold value within a predetermined period of time. The method further includes shutting down the wind turbine if the yaw error signal remains greater than the second predetermined yaw error threshold value beyond the predetermined period of time.
Abstract translation: 提供了一种用于管理风力涡轮机上的负载的方法和系统。 该方法包括接收相对于风力涡轮机的偏航偏移的信号，基于偏航失准产生偏航误差信号，以及将偏航误差信号与第一预定偏航误差阈值进行比较。 该方法还包括将转子的速度调节到由预定的叶尖速度比确定的值，使用偏航控制系统减少偏航偏移，并且如果偏航误差信号被减小到小于第二预定偏转角度则重新启动风力涡轮机 误差阈值在预定时间段内。 该方法还包括如果横摆误差信号保持大于超过预定时间段的第二预定偏航误差阈值，则关闭风力涡轮机。
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