A Substation Automation System Architecture for Migrating From Decentralized to Centralized Protection and Control in Smart Substations

IF 4.2 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Industry Applications Pub Date : 2025-03-25 DOI:10.1109/TIA.2025.3554468

Anand Mandal;Kashem M. Muttaqi;Md. Rabiul Islam;Danny Sutanto;Anisur Rahman;Orhan Yilmaz;Omkar Vaze

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Abstract

The protection of the power system component is crucial for the healthy and reliable operation of the entire grid. Depending upon the equipment being protected and the type of fault it may encounter, various protection functions need to be employed. The paper presents a detailed overview of the evolution of the SAS structure in smart substations facilitating the centralization of multiple protection and control functions. The description detailing the evolution of the substation automation system (SAS), driven by the IEC61850 standard, enabling the transition from conventional substations to digital substations has been highlighted in this paper. The centralized protection and control (CPC) technique, representing an innovative strategy that consolidates all protection and control functions within a single device at the substation level, has been presented in detail. Moreover, the guidelines on the implementation of the CPC architecture in substations along with the approach involved in migration from a decentralized protection scheme to CPC architecture have been proposed considering the existing substation in a power grid. The protection functions employed in the line and transformer bays of the substation have been mathematically described using the actual parameters of the substation equipment. Their effectiveness has been confirmed by analyzing disturbance reports of faults that occurred in both the line and transformer feeders.

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智能变电站保护控制由分散向集中迁移的变电站自动化系统体系结构

电力系统部件的保护对整个电网的健康可靠运行至关重要。根据被保护的设备和可能遇到的故障类型，需要采用不同的保护功能。本文详细介绍了智能变电站中SAS结构的演变，以促进多种保护和控制功能的集中。在IEC61850标准的驱动下，详细描述了变电站自动化系统（SAS）的演变，使从传统变电站向数字化变电站的过渡成为可能。详细介绍了集中保护和控制（CPC）技术，该技术代表了在变电站一级将所有保护和控制功能整合到单个设备中的创新策略。此外，考虑到电网中现有的变电站，提出了在变电站中实施CPC结构的指导方针以及从分散式保护方案向CPC结构迁移所涉及的方法。利用变电站设备的实际参数，对变电站线路和变箱的保护功能进行了数学描述。通过对线路和变压器馈线故障扰动报告的分析，证实了该方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Industry Applications 工程技术-工程：电子与电气

CiteScore

9.90

自引率

9.10%

发文量

747

审稿时长

3.3 months

期刊介绍： The scope of the IEEE Transactions on Industry Applications includes all scope items of the IEEE Industry Applications Society, that is, the advancement of the theory and practice of electrical and electronic engineering in the development, design, manufacture, and application of electrical systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; industry leadership in energy conservation and environmental, health, and safety issues; the creation of voluntary engineering standards and recommended practices; and the professional development of its membership.