Performance Evaluation of Islanding Detection for Distributed Energy Resources With Grid Support Functions

IF 4.5 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Industry Applications Pub Date : 2025-06-04 DOI:10.1109/TIA.2025.3576734

Da Lin;Yajie Tang;Yuyang Liu;Xiaojie Shi;Tianxiang Yin;Lei Lin;Xuesong Zhang

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引用次数: 0

Abstract

With the proliferation of Distributed Energy Resources (DER), Grid Support Functions (GSFs) have been widely deployed. With the object to maintain the frequency and voltage stability during the grid-connected operation, GSFs, however, has raised great concerns on the effectiveness degradation of islanding prevention. Focusing on it, this paper evaluates the performance of the widely used islanding detection method, Slip-Mode Frequency Shift (SMS) operating together with GSFs. First, a small-signal model for this control combination is firstly derived, facilitating the investigation of interaction mechanism between GSFs and SMS. Accordingly, the optimal range of SMS coefficient is identified to guarantee both a successful islanding detection when an island forms and a stable operation during the grid-connected condition. It is observed that several key parameters, especially the slope and the open-loop response time of GSFs, as well as the SMS coefficient, jointly dominate the effectiveness of the islanding detection and should be deliberately designed. Finally, extensive simulations and controller hardware-in-the-loop (HIL) tests are performed to validate the above analysis.

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基于网格支持函数的分布式能源孤岛检测性能评价

随着分布式能源的普及，网格支持函数（gsf）得到了广泛的应用。然而，以维持并网运行过程中的频率和电压稳定为目标的电网电网安全系统，其防孤岛效果的退化问题引起了人们的高度关注。针对这一问题，本文对目前广泛应用的滑模频移（SMS）与gsf协同工作的孤岛检测方法的性能进行了评价。首先，推导了该控制组合的小信号模型，便于研究gsf与SMS之间的相互作用机制。据此，确定了SMS系数的最优范围，既保证了孤岛形成时的孤岛检测成功，又保证了并网状态下的稳定运行。结果表明，几个关键参数，特别是gsf的斜率和开环响应时间，以及SMS系数，共同决定了孤岛检测的有效性，应进行精心设计。最后，进行了大量的仿真和控制器硬件在环（HIL）测试来验证上述分析。

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.