Reactive-power control method of wind power field
A technology for power control and wind farms, applied in reactive power adjustment/elimination/compensation, wind power generation, reactive power compensation, etc., can solve problems such as failure to establish coordination relationship, wind turbine off-grid, high system voltage, etc., to avoid system Effects of overvoltage, burden reduction, and low economic cost
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[0027] The specific embodiment of the present invention is described in further detail below in conjunction with accompanying drawing:
[0028] The control method of the present invention takes the voltage of the grid-connected point of the wind farm as the control target. When the system is disturbed or the wind speed and load of the wind farm cause voltage fluctuations, the voltage of the grid-connected point will Track voltage target value. Such as figure 1 Shown is the data flow diagram in the wind farm reactive power control method of the present invention, the reactive power coordinated control between reactive power compensation equipment and wind turbines depends on the effective reactive power capacity and wind power capacity of reactive power compensation equipment and wind turbines The relationship between the target reactive power value of the field, and when the wind farm is connected to the grid system fails, the reactive power compensation equipment and the rea...
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