Power grid future operation trend estimation method and system based on power flow parameters
A technology of trend estimation and power flow data, which is applied to load forecasting, AC network circuits, forecasting, etc. in the AC network, and can solve problems such as inaccurate judgment of the future power flow trend of the power grid, ignorance of the actual impact of the power grid power flow, and power flow section accidents, etc. , to achieve the effects of accurate tidal current data and influencing factors, accurate training, and improved accuracy
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Embodiment 1
[0068] The present invention provides a power grid future operation trend prediction method based on power flow parameters, the flow chart of which is as follows figure 1 and 3 shown, including the following steps:
[0069] 1) The data acquisition module collects and stores the historical power flow data and key features;
[0070] 2) The parameter training module trains the parameter weights of the key features according to the historical grid power flow data and key features;
[0071] 3) The trend prediction module predicts the future operation trend of the power grid through the parameter weight results of historical data training.
[0072] Further, said step 1) includes the following steps:
[0073] Step 101: the data acquisition module obtains the power flow of each section of the power grid;
[0074] Step 102: Obtain the key features of uncertain information such as new energy power generation fluctuations, bus load forecast errors, and dispatch plan exceptions corres...
Embodiment 2
[0100] Based on the same inventive concept, the present invention also provides a power grid future operation trend prediction system based on power flow parameters, its structure diagram is as follows figure 2 shown, including:
[0101] A collection module, configured to collect current power flow data and data corresponding to factors that have an impact on the current power grid;
[0102] The estimation module is used to input the collected data into the relationship model between the pre-built historical grid power flow and influencing factors to estimate the future operation trend of the grid;
[0103] The relationship model between the historical grid power flow and the influencing factors includes the weight of historical grid power flow data accounted for by key features.
[0104] Further: it also includes a building block, which is used to build a relationship model between the historical grid power flow and the influencing factors.
[0105] Further: the building b...
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