T/CES 221-2023 Grid operation situation knowledge graph intelligent construction technical specification

Scope

Scope: This standard specifies the general requirements for the intelligent construction and management of knowledge graphs of power grid operation status, including the definition of knowledge graphs of power grid operation status, the construction methods of knowledge graphs of power grid operation status, and management methods. This standard is applicable to the intelligent construction and management of knowledge graphs of power grid operation status, which is used to support the research, development, and testing of intelligent control systems for power grids. Main technical content: At present, many methods of power grid situation assessment and control decision-making calculate a variety of stable situation evaluation indicators or optimization control strategies, but these are fragmented and have certain shortcomings in extracting and presenting core value knowledge. It is difficult to effectively respond to the complex operation modes of large power grids and the application needs of dispatching operators in terms of timeliness, refinement, and practicality. Knowledge graph technology provides a good solution to this challenge. From the perspective of graph theory and complex networks, power grids have typical network attributes and graph structures. For core issues such as the dynamic operation characteristics of large power grids, stability analysis, and optimization control, knowledge graph construction technology can be used to extract more valuable knowledge about the real-time operation status and control strategies of power grids, and combine it with a spatial physical distribution map of power grids for simple, intuitive, and visualized display, effectively supporting dispatching operators in quickly, accurately, and proactively grasping the overall operation status and control strategies of power grids, and enhancing the real-time intelligent panoramic active safety defense level of large power grids. The application of knowledge graphs in pow

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