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    • 35. 发明授权
    • VERFAHREN UND SYSTEM ZUR REGELUNG DER DREHZAHL EINES ROTORS EINER WINDENERGIEANLAGE
    • VERFAHREN UND SYSTEM ZUR REGELUNG DER DREHZAHL EINES ROTORS EINER WINDENERGIEANAGE
    • EP1893870B1
    • 2012-02-22
    • EP06754401.5
    • 2006-06-16
    • REpower Systems AG
    • KRÜGER, Thomas
    • F03D7/04F03D9/00
    • H02P9/04F03D7/0276F03D7/042F03D9/25F03D9/255F05B2270/101F05B2270/1032F05B2270/20H02P9/305H02P2101/15Y02E10/723Y02E10/725
    • The invention relates to a method and a system for regulation of the rotational speed (52) of a rotor on a wind energy unit with a generator and a rotor blade. The first set parameter is a pitch angle (Pitch) of the rotor blade and the second set parameter is the torque of the generator. Said system comprises a pitch angle control or regulation device (32), a torque control or regulation device (33), a first device for determination of a first rotational speed set value (28) (first rotational speed set value determination device (29)) and a second device (26) for determination of a second rotational speed set value (29) (second rotational speed set value determination device (26)). The first rotational speed set value (28) may be supplied to the pitch angle control or regulation device (32) and the second rotational speed set value (29) may be supplied to the torque control or regulation device (33), wherein the first and second rotational speed set value (28, 2)) may be different from each other.
    • 本发明涉及一种用于调节具有发电机和转子叶片的风能单元上的转子的转速(52)的方法和系统。 第一组参数是转子叶片的桨距角(桨距),第二组参数是发电机的转矩。 所述系统包括桨距角控制或调节装置(32),转矩控制或调节装置(33),用于确定第一转速设定值(28)的第一装置(第一转速设定值确定装置(29) )和用于确定第二转速设定值(29)(第二转速设定值确定装置(26))的第二装置(26)。 第一转速设定值(28)可以被提供给桨距角控制或调节装置(32)并且第二转速设定值(29)可以被提供给转矩控制或调节装置(33),其中第一 和第二转速设定值(28,2))可以彼此不同。
    • 40. 发明公开
    • EP0604585A4 -
    • EP0604585A4 - Google专利
    • EP0604585A4
    • 1994-08-31
    • EP92921017
    • 1992-09-17
    • U.S. WINDPOWER, INC.
    • HOLLEY, WILLIAM, E.
    • H02P9/00F03D7/02F03D7/04H02P9/04
    • F03D7/028F03D7/0224F03D7/0276F03D7/042F03D7/043F05B2260/821F05B2270/101F05B2270/1032F05B2270/20F05B2270/32F05B2270/329F05B2270/335H02P9/04H02P2101/15Y02A30/12Y02E10/723
    • A controller and method is disclosed for operating a variable speed turbine to better track wind speed fluctuations for greater efficiency in conversion of wind energy to electrical energy. The controller of the invention controls the rotor speed in accordance with a wind speed supplied by a wind observer in order to approximately follow the varying wind speeds. The wind observer predicts the average wind speed at a subsequent point in time over the cross-section presented to the wind by the wind turbine. The average wind speed is applied to a parameter schedule to determine desired values for rotor speed and torque which are used by arotor speed stabilizer to command a reference load torque. The load torque of the generator is controlled in accordance with the commanded load torque, and therefore the desired rotor speed is approximated. During operation, the wind speed prediction process is repeated at each subsequent time interval, and the load torque, and therefore rotor speed, is controlled accordingly. The wind observer calculates the aerodynamic torque and then calculates net torque. The wind speed is predicted as a function of the present (previously predicted) wind speed and correction terms including net torque and the difference between the predicted and actual rotor speed. The wind observer is useful whenever the wind turbine rotor is turning, whether or not it is producing power.
    • 公开了用于跟踪风速波动以获得更高效率的变速涡轮机(10)的控制器(30)和方法。 控制器(30)根据由风力观测器(40)提供的风速来控制转子(22)的速度,以便近似变化的风速。 风力观测器(40)预测横截面上的随后时间点的平均风速。 数据被应用于确定期望的转子(22)值的参数调度(42)。 在接近理想转子速度的位置控制负载转矩。 在随后的每个时间间隔重复风速预测以控制负载转矩和转子速度。 计算气动扭矩和净扭矩。 风速预测基于(先前预测的)风速和包括净转矩的修正项以及预测转速和实际转子转速之间的差值。