Dynamic Risk Assessment System for Power System Based on Multi-source Information of the Ubiquitous Power Internet of Things

doi:10.11930/j.issn.1004-9649.201907062

Abstract

Abstract: In view of the current situation that it is difficult for the power regulation and control center to take the multi-source information into account for the effective dynamic risk assessment of power grid, this paper points out the challenges and opportunities faced by the power grid risk assessment under the background of the Ubiquitous Power Internet of Things. A power grid dynamic risk assessment architecture based on the Ubiquitous Power Internet of Things is proposed. Firstly, the concept of power grid dynamic risk assessment is introduced, and the process of power grid dynamic risk assessment system based on Internet of Things is established. Secondly, by taking advantage of the multi-source information provided by the Ubiquitous Power Internet of Things, the procedures to resolve the key issues are presented, such as dynamic perception of fault probability, dynamic selection of fault set, dynamic generation of post-fault state and dynamic risk assessment of operation process and so on. Finally, based on the architecture, the corresponding software system is designed. The data source, data platform and main function modules of the system are also described. The application of the system is illustrated with practical cases.

Key words: dynamic risk assessment for power system, Ubiquitous Power Internet of Things, architecture, software design, multi-source data

CLC Number:

TM734

WANG Shenhua, HE Xiangwei, FANG Xiaofang, CHEN Bingsong, GUO Chuangxin. Dynamic Risk Assessment System for Power System Based on Multi-source Information of the Ubiquitous Power Internet of Things[J]. Electric Power, 2019, 52(12): 10-19.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201907062

https://www.electricpower.com.cn/EN/Y2019/V52/I12/10

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