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    • 9. 发明公开
    • WIND TURBINE CONTROL METHOD
    • WINDTURBINENSTEUERVERFAHREN
    • EP2317135A1
    • 2011-05-04
    • EP09757653.2
    • 2009-06-03
    • Acciona Windpower S.A.
    • ARLABAN GABEIRAS, TeresaALONSO SADABA, OscarHUARTE AMEZQUETA, AnaGARCÍA BARACE, AlbertoGARCÍA SAYES, José MiguelROYO GARCÍA, RicardoTONKS, StephenNÚÑEZ POLO, Miguel
    • F03D9/00H02J3/38H02P9/42
    • The invention relates to a method for controlling a wind turbine of the type including a rotor, a generator, a frequency converter, a control unit and means for connecting to a wind farm grid, using means for receiving a local voltage reference value (VREF) and a regulator (1) which calculates the reactive power to be generated (QT) as a function of the voltage error (?V), such that it can be operated over the entire voltage range. The system also includes: at least one saturator element (2, 6, 7) in which the reactive power to be generated is limited, whereby the limits (Q_MAX, Q_MIN, QC_MAX, QC_MIN, QS_MAX, QS_MIN) are calculated dynamically as a function of the voltage, this block outputting a reference reactive power of the wind turbine (Q_REF, QC_REF, Qs_REF); and an element (3) for calculating the actual limit of the active power (PMAX) as a function of the pre-limited reactive power (Q_REF, QS_REF) and the apparent power available at that moment.
    • 本发明涉及一种用于控制类型的风力涡轮机的方法,包括转子,发电机,变频器,控制单元和用于连接到风电场电网的装置,使用用于接收局部电压参考值(VREF)的装置, 以及调节器(1),其根据电压误差(ΔV)计算要产生的无功功率(QT),使得其可以在整个电压范围内操作。 该系统还包括:至少一个饱和器元件(2,6,7),其中要产生的无功功率被限制,从而动态地计算极限(Q_MAX,Q_MIN,QC_MAX,QC_MIN,QS_MAX,QS_MIN)作为功能 该块输出风力涡轮机的参考无功功率(Q_REF,QC_REF,Qs_REF); 以及用于根据预限制无功功率(Q_REF,QS_REF)和当时可用的视在功率计算有功功率(PMAX)的实际极限的元件(3)。