Online Assessment of Control-Based System Security and Stability Service Quality for New Power System

doi:10.11930/j.issn.1004-9649.202401131

Abstract

Abstract:

In the context of new power system, the safe and stable operation of power system is more dependent on the control-based system security and stability service. The ex-post and ex-ante entire-process evaluation of service response is an essential technical support to realize the effective management and control of the control-based system security and stability service quality. To address the common problems in assessing the control-based system security and stability service quality, this paper analyzes the characteristics of the control-based system security and stability service, and determines the connotation and factors for assessing the control-based system security and stability service quality, including service equipment quality and service resource quality before service response, as well as the service response quality after service response. The criteria, index system, methodology and basic data for assessing the control-based system security and stability service quality are described. Finally, an online assessment framework for control-based system security and stability service quality is proposed, including collecting basic data from power plants and substations, determining the assessment criteria and indexes for quality elements, evaluating the indexes and levels for stability services quality, which has universal applicability to the quality assessment of various control-based system security and stability services, including entire key links and complete functional information.

Key words: system security and stability, service quality, online assessment, new power system

Bijun LI, Wei LI, Xijian DONG. Online Assessment of Control-Based System Security and Stability Service Quality for New Power System[J]. Electric Power, 2024, 57(8): 168-181.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202401131

https://www.electricpower.com.cn/EN/Y2024/V57/I8/168

Figures/Tables 5

Fig.1 The impacts of system security and stability service response on system safe and stable operation

Fig.2 The system security and stability service process and service quality causal chain

Fig.3 The quality factor model of control-based system security and stability service

Fig.4 The quality index system of control-based system security and stability service

Fig.5 The online assessment framework of control-based stability service quality

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