Reactive power optimization method for power grid considering wind power uncertainty and voltage stability factors
A voltage stability and uncertainty technology, applied in the field of power system, can solve the problems that models and methods are not completely effective, and it is difficult to obtain accurate prediction values, so as to achieve low comprehensive cost of power grid, reduce calculation load, and take into account calculation effect of scale
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[0043] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0044] The reactive power optimization method of the power grid considering wind power uncertainty and voltage stability factors of the present invention includes:
[0045] Step (1): Use the Latin superlegislative sampling method to generate several possible scenarios of wind farms, and use the possible scenarios of wind farms to simulate the uncertainty of wind energy output;
[0046] Step (2): The objective function is to minimize the expected value of the reactive auxiliary service cost and the active power loss of the power grid, and the reactive power output of the power plant is used as the optimization variable. Field reactive power optimization model;
[0047] Step (3): The continuous power flow method is used to solve the reactive power optimization model of the wind farm in step (2), and the voltage stability of the reactive power optimization result...
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