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    • 5. 发明授权
    • Wind turbine pitch control system
    • 风机变桨控制系统
    • US09115694B2
    • 2015-08-25
    • US13595001
    • 2012-08-27
    • Michael Gregory BrownJeffrey Alan Melius
    • Michael Gregory BrownJeffrey Alan Melius
    • F03D9/00F03D7/02
    • F03D7/0224F05B2260/76F05B2270/107F05B2270/602Y02E10/721Y02E10/723
    • A pitch control system for a wind turbine is disclosed. The pitch control system may generally include a motor having an armature and a winding and a grid power source configured to supply electrical power to the motor. The pitch control system may also include a plurality of switching components configured to control a first current through the armature independent of a second current through the winding. In addition, the pitch control system may include an auxiliary switching component electrically coupled between the grid power source and at least a portion of the switching components. The auxiliary switching component may be configured to be opened when a grid voltage of the grid power source exceeds a first voltage threshold.
    • 公开了一种用于风力涡轮机的俯仰控制系统。 变桨控制系统通常可以包括具有电枢和绕组的电动机和被配置为向电动机供电的电网电源。 俯仰控制系统还可以包括多个开关部件,其被配置为控制通过电枢的第一电流,而不管通过绕组的第二电流。 此外,俯仰控制系统可以包括电耦合在电网电源和至少一部分开关部件之间的辅助开关部件。 辅助开关部件可以被配置为当电网电源的电网电压超过第一电压阈值时打开。
    • 8. 发明授权
    • Systems and methods for determining the angular position of a wind turbine rotor
    • 用于确定风力涡轮机转子的角位置的系统和方法
    • US07972112B2
    • 2011-07-05
    • US12608343
    • 2009-10-29
    • Jeffrey Alan Melius
    • Jeffrey Alan Melius
    • F03D3/06
    • G01P15/165F03D7/02F03D17/00F05B2270/326F05B2270/327F05B2270/807G01D1/16G01P3/22G01P3/48G01P15/18G01P21/02Y02E10/723
    • Certain embodiments of the invention may include systems and methods for determining an angular position of a wind turbine rotor. According to an exemplary embodiment of the invention, the method for determining an angular position of a wind turbine may include measuring tangential acceleration and radial acceleration of the rotor, measuring speed of the rotor, determining rotational tangential acceleration of the rotor based at least in part on the change of rotor speed over time, determining rotational radial acceleration based at least in part on the rotor speed, adjusting the measured tangential acceleration based at least in part on the determined rotational tangential acceleration, adjusting the measured radial acceleration based at least in part on the determined rotational radial acceleration, and determining an angular position of the rotor based at least on the adjusted tangential acceleration and the adjusted radial acceleration.
    • 本发明的某些实施例可以包括用于确定风力涡轮机转子的角位置的系统和方法。 根据本发明的示例性实施例,用于确定风力涡轮机的角位置的方法可以包括测量转子的切向加速度和径向加速度,测量转子的速度,至少部分地确定转子的旋转切向加速度 关于转子速度随时间的变化,至少部分地基于转子速度确定旋转径向加速度,至少部分地基于所确定的旋转切向加速度来调整测量的切向加速度,至少部分地调整测量的径向加速度 基于所确定的旋转径向加速度,以及至少基于所述调整的切向加速度和所述调整的径向加速度来确定所述转子的角位置。
    • 9. 发明申请
    • SYSTEMS AND METHODS FOR DETERMINING THE ANGULAR POSITION OF A WIND TURBINE ROTOR
    • 用于确定风力涡轮机转子角度位置的系统和方法
    • US20100135800A1
    • 2010-06-03
    • US12608343
    • 2009-10-29
    • Jeffrey Alan Melius
    • Jeffrey Alan Melius
    • F03D7/00G01B21/22G06F15/00
    • G01P15/165F03D7/02F03D17/00F05B2270/326F05B2270/327F05B2270/807G01D1/16G01P3/22G01P3/48G01P15/18G01P21/02Y02E10/723
    • Certain embodiments of the invention may include systems and methods for determining an angular position of a wind turbine rotor. According to an exemplary embodiment of the invention, the method for determining an angular position of a wind turbine may include measuring tangential acceleration and radial acceleration of the rotor, measuring speed of the rotor, determining rotational tangential acceleration of the rotor based at least in part on the change of rotor speed over time, determining rotational radial acceleration based at least in part on the rotor speed, adjusting the measured tangential acceleration based at least in part on the determined rotational tangential acceleration, adjusting the measured radial acceleration based at least in part on the determined rotational radial acceleration, and determining an angular position of the rotor based at least on the adjusted tangential acceleration and the adjusted radial acceleration.
    • 本发明的某些实施例可以包括用于确定风力涡轮机转子的角位置的系统和方法。 根据本发明的示例性实施例,用于确定风力涡轮机的角位置的方法可以包括测量转子的切向加速度和径向加速度,测量转子的速度,至少部分地确定转子的旋转切向加速度 关于转子速度随时间的变化,至少部分地基于转子速度确定旋转径向加速度,至少部分地基于所确定的旋转切向加速度来调整测量的切向加速度,至少部分地调整测量的径向加速度 基于所确定的旋转径向加速度,以及至少基于所述调整的切向加速度和所述调整的径向加速度来确定所述转子的角位置。