A Data-driven Approach to Automatic Generation and Autonomous Verification of Virtual Circuits in Intelligent Substation

doi:10.11930/j.issn.1004-9649.202408089

Abstract

Abstract:

A data-driven intelligent substation virtual loop automatic generation and independent verification method is proposed. The virtual connection information of the historical substation configuration description (CD) file is rapidly extracted by using the document object model (DOM) method, and the historical SCD database is constructed. The precise matching of the information of the intelligent electronic (IED) to be designed and the historical IED information is realized, and then the automatic generation scheme of the virtual connection is proposed. In view of the problems ofconnection and missed connection in practical application, the standard template library is constructed to verify the virtual connection generated automatically, and the visualization technology is used to realize the alarm, reminding the to add and modify the virtual connection. The correctness of the proposed method is verified based on an actual intelligent substation case.

Key words: automatic generation of virtual circuits, autonomous verification of virtual circuits, visualization of warnings

CAO Haiou, HU Xiaoli, DAI Wei, HU Jiatong, TANG Changfeng. A Data-driven Approach to Automatic Generation and Autonomous Verification of Virtual Circuits in Intelligent Substation[J]. Electric Power, 2025, 58(6): 97-104.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202408089

https://www.electricpower.com.cn/EN/Y2025/V58/I6/97

Figures/Tables 9

Fig.1 Historical SCD database structure

Fig.2 Diagram of the virtual circuit intelligent design scheme

Fig.3 Macro-connectivity diagram

Fig.4 220 kV busbar measurement and control A set

Fig.5 SV Receiving Virtual Terminal Table

Table 1 Partial IED equipment matching

历史IED名	目标IED名	相似度	匹配情况
220 kV大石线A套	220 kV正河线A套	0.97	是
220 kV大石线A套	220 kV母线测控A套	0.65	否
220 kV大石线A套	35 kV母线测控A套	0.21	否
220 kV大石线A套	220 kV母联测控A套	0.47	否

Fig.6 Comparison of three semantic similarity models

Fig.7 Virtual circuit visualization platform

Fig.8 Virtual Circuit Display Frame

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