Power system steady-state power flow risk identification and prevention method, storage medium and equipment
A power system steady state and risk technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve problems such as branch power flow out of bounds, voltage fluctuations, and power system power flow uncertainty, and achieve fast and accurate calculation. , to ensure the effect of safe and stable operation
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[0055] The invention provides a steady-state power flow risk identification and prevention method considering the high proportion of new energy access, based on the historical wind speed, light intensity prediction data and actual data set, and the power characteristic curve of the new energy unit, for the new Probabilistic modeling of energy unit output prediction error; according to the current real-time forecast value of new energy unit output, the probability distribution of the corresponding prediction error is obtained, and the semi-invariant method is used for stochastic power flow calculation to obtain the probability distribution of each node voltage and branch power ; Judging whether there is a risk of voltage and power flow crossing the boundary at the time of prediction, if there is no risk, then calculate at the next moment, if there is risk, adjust the active power and reactive power of the generator set nearby, and perform random power flow calculation again until...
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