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    • 1. 发明申请
    • POWER CURTAILMENT OF WIND TURBINES
    • 风力发电机组的动力控制
    • WO2010000648A2
    • 2010-01-07
    • PCT/EP2009057801
    • 2009-06-23
    • VESTAS WIND SYS ASNYBORG ANDERSDALSGAARD SOEREN
    • NYBORG ANDERSDALSGAARD SOEREN
    • F03D7/02F03D7/04F03D9/00
    • F03D7/028F03D7/0224F03D7/048F05B2260/70F05B2260/84F05B2270/1033Y02E10/723
    • The present invention relates to a method for curtailing electrical power supplied from a wind turbine or a group of wind turbines to an associated power supply grid, the method comprising the steps of determining an available electrical power level from the wind turbine facility and setting a wind speed independent curtailment level. The curtailment level may be a percentage of an actual available electrical power level or a fixed power level. The method further comprises the step of operating the wind turbine facility in such a way that the generated electrical power supplied from the wind turbine facility equals the difference between an actual available electrical power level and the curtailment level. The present invention further relates to a wind turbine facility and a curtailing controller for carrying out the invention.
    • 本发明涉及一种用于将从风力涡轮机或一组风力涡轮机供应的电力减少到相关联的电力供应电网的方法,所述方法包括以下步骤:确定来自风力涡轮机设施的可用电力水平并设置风 速度独立缩减水平。 削减等级可以是实际可用电力等级或固定功率等级的百分比。 该方法进一步包括以这样的方式操作风力涡轮机设施的步骤:从风力涡轮机设施供应的所产生的电力等于实际可用电力水平与缩减水平之间的差值。 本发明还涉及用于执行本发明的风力涡轮机设备和缩减控制器。
    • 2. 发明申请
    • CONTROL METHOD FOR A WIND TURBINE
    • 风力发电机的控制方法
    • WO2011157272A3
    • 2012-04-05
    • PCT/DK2011050211
    • 2011-06-13
    • VESTAS WIND SYS ASDALSGAARD SOERENRISAGER LARS
    • DALSGAARD SOERENRISAGER LARS
    • F03D7/04F03D7/02
    • F03D7/0292F03D7/0224F03D7/042F05B2270/309F05B2270/32F05B2270/327F05B2270/335Y02E10/723
    • The invention relates to a method of controlling a wind turbine having a rotor with pitchable wind turbine blades and a generator for producing power, where a pitch reference value for the wind turbine blades is determined, and an operational parameter representing a loading on the wind turbine rotor exerted by the wind is measured at time intervals. A variation parameter reflecting a variation of the operational parameter over time is determined and used in the determination of a minimum pitch limit value of the pitch reference value. The wind turbine is then controlled according to the pitch reference value only if the pitch reference value is above or equal to the minimum pitch limit value, and otherwise according to the minimum pitch limit value. The invention further relates to a method of controlling the change in the operational parameter as measured in two successive time steps is determined and the turbine then being controlled according to a safety control strategy if the difference between the operational parameter change and the variation parameter is above a certain alert threshold. The invention further relates to a control system configured to perform the above control method, and a wind turbine comprising such system.
    • 本发明涉及一种控制风力涡轮机的方法,所述风力涡轮机具有带有可倾斜风力涡轮机叶片的转子和用于产生功率的发电机,其中确定了风力涡轮机叶片的俯仰基准值,以及表示风力涡轮机上的负载的操作参数 以时间间隔测量由风施加的转子。 确定反映运行参数随时间变化的变化参数,并用于确定俯仰参考值的最小俯仰极限值。 然后,只有在俯仰基准值高于或等于最小俯仰极限值时,才根据俯仰基准值控制风力涡轮机,否则根据最小俯仰极限值进行控制。 本发明还涉及一种控制在两个连续时间步长中测量的操作参数的变化的方法,并且如果操作参数变化和变化参数之间的差异在上方,则根据安全控制策略控制涡轮机 一定的警报阈值。 本发明还涉及一种被配置为执行上述控制方法的控制系统和包括该系统的风力涡轮机。