Power distribution network information physical side risk early warning method and system
A technology of information physics and risk early warning, applied in the field of distribution network, can solve the problems of false early warning of weak links on the information physical side of distribution network, low risk level prediction accuracy, etc., to improve calculation efficiency and early warning accuracy, and improve risk prediction accuracy , The effect of reducing the probability of false alarm
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[0059] Example 1:
[0060] This embodiment provides a risk early warning method on the information and physical side of the distribution network, such as figure 1 Shown, including:
[0061] S1: Based on the risk factor category, obtain the risk factor feature set from the risk data source on the information and physical side of the distribution network, and filter to obtain the optimal risk factor feature set.
[0062] 1. Investigate CPS risk data sources:
[0063] Through the power grid GIS platform, marketing business application system, power quality monitoring system / power consumption information collection system, equipment (asset) operation and maintenance lean management system, dispatching automation system, OMS / SCADA system and meteorological information in the distribution network information management system Systematic surveys, schematic diagrams of risk data sources and multi-factor feature sets, such as figure 2 Shown.
[0064] Extract corresponding fault data, operatin...
Example Embodiment
[0108] Example 2:
[0109] This embodiment provides a risk early warning system on the information and physical side of a distribution network, and the system includes:
[0110] Optimal feature set acquisition module: Based on the risk factor category, obtain the risk factor feature set from the risk data source on the information physics side of the distribution network, and filter to obtain the optimal risk factor feature set;
[0111] Risk level prediction module: Bring the optimal risk factor feature set into the pre-built online risk level prediction model to obtain the current information and physical side operational risk level of the distribution network;
[0112] Early warning module: perform early warning processing based on the risk operation level;
[0113] The risk factor categories include: fault data, operating data, archive data, meteorological data and network data;
[0114] The risk factor feature set: power outage time, power outage times, configured capacity, line len...
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