SHACL-Based Validation Method of Knowledge Graph for Power System Model

doi:10.11930/j.issn.1004-9649.202107093

Abstract

Abstract: With the expansion of the power grid and the high penetration of distributed energy resources, the power system analysis and decision-making have put forward higher requirements for comprehensive and accurate power grid models. With respect to frequent version updates of the Common Information Model (CIM) on which the exchange model depends, the inevitable self-defined extension of CIM, and the dynamic evolution of model quality requirements, a method for validating the knowledge graph of the power system model based on the shapes constraint language (SHACL) is proposed. The CIM-based concept graph and entity graph of the power system model are established, the CIM schema consistency shapes, and the cross-class and cross-property consistency shapes based on simple protocol and RDF query language (SPARQL) for validating the power system model are designed. The SHACL-based knowledge graph validation for the power system model does not need to hard-code the validation rules, and then the flexibility of power system model quality validation can be improved and the dynamic evolution of model quality requirements can be satisfied.

Key words: power system model, common information model, knowledge graph, model validation, shapes constraint language

LI Xiaolu, ZUO Xuan, LIU Riliang, LU Yiming, LI Congli, LIN Shunfu. SHACL-Based Validation Method of Knowledge Graph for Power System Model[J]. Electric Power, 2022, 55(1): 119-125,228.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202107093

https://www.electricpower.com.cn/EN/Y2022/V55/I1/119

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