Active DFIG scheduling method based on maximal reactive power margin of wind power plant
A dispatching method and technology for wind farms, which are applied in wind power generation, electrical components, circuit devices, etc., and can solve the problems of coordinated control without considering active and reactive power, and failure to fully utilize the reactive power generation capability of DFIG.
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[0029] The verification cases of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the verification cases described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0030] specifically, figure 1 It is a flow chart of the DFIG active power scheduling method based on the largest wind farm reactive power margin. In Figure 1, the flow chart of the scheduling method includes:
[0031] Step 1: Obtain the parameters of N DFIG units in the wind farm and the predicted value of wind speed v f ={v 1 ,v 2 ,...,v N} and the wind farm active power dispatching command P issued by the superior dispatching center D ;
[0032] Step 2: Combined with the dynamic model of the wind turbine, calculate the predicted value of the active output of each DFIG, specifically:
[0033] Step 201: According to the dynamic model of the wind turbine, calculate the
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