Grid-connected wind power plant point voltage control method based on MCR (Magnetic Control Reactor) and capacitance mixed compensation
A technology of point voltage control and hybrid compensation, applied in AC network voltage adjustment, reactive power compensation, etc., can solve the problems of reduced possibility of wind farm ride-through faults and increased grid damage
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[0044] One, at first introduce the concrete steps of the present invention, mainly comprise:
[0045] Step 1, collect real-time data of the grid-connected area of the wind farm, the real-time data includes the real-time output of the wind farm, the equivalent voltage of the upper-level power grid, and the real-time load, and receive the voltage command issued by the upper-level AVC;
[0046] Step 2. Determine whether the voltage of the grid-connected point meets the requirements. If the voltage deviates from the allowable error range of the higher-level instruction voltage, that is, the voltage meets the requirements, then go to step 1; if it does not meet the requirements, go to step 3;
[0047]Step 3. Establish a site reactive power optimization model with the goal of minimizing the voltage deviation of the grid-connected point and the input of reactive power compensation equipment, establishing system constraints, and establishing a penalty function with state variable con...
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