A Parallel-Type Load Damping Factor Controller for Frequency Regulation in Power Systems with High Penetration of Renewable Energy Sources

IF 5.7 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Modern Power Systems and Clean Energy Pub Date : 2024-01-02 DOI:10.35833/MPCE.2023.000754

Zhe Zhang;Siyang Liao;Yuanzhang Sun;Jian Xu;Deping Ke;Bo Wang;Rui Chen;Yibo Jiang

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引用次数: 0

Abstract

Renewable energy sources (RESs) are rapidly developing and their substitution for traditional power generation poses significant challenges to the frequency regulation in power systems. The load damping factor $D$ characterizes the active power of load that changes with power system frequency, which is an important factor influencing the frequency response. However, the value of $D$ is small, resulting in the limitation in frequency regulation of the power system. This paper proposes a parallel-type load damping factor controller to enhance load damping factor by utilizing static var generators (SVGs) in substations. Additionally, it discusses the configuration method for the relevant parameters of the controller, evaluates its frequency regulation capability, investigates the impact of large-scale application of the controller on static and dynamic loads, and conducts a comprehensive evaluation of the impact of the damping factor control process on the voltage stability of the main grid. The large-scale application of the proposed controller can significantly improve the frequency regulation capability, and almost have no influence on the working status of the load. It can also significantly improve the dynamic performance of system frequency. The proposed controller can provide technical support for the frequency regulation of new power systems with high proportion of RESs.

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用于可再生能源高渗透率电力系统频率调节的并联型负载阻尼系数控制器

可再生能源（RES）发展迅速，其对传统发电的替代对电力系统的频率调节提出了巨大挑战。负载阻尼系数 $D$ 表征了随电力系统频率变化的负载有功功率，是影响频率响应的重要因素。然而，D$ 值较小，导致电力系统频率调节受到限制。本文提出了一种并联型负载阻尼系数控制器，通过利用变电站中的静态变量发电机（SVG）来提高负载阻尼系数。此外，本文还讨论了控制器相关参数的配置方法，评估了控制器的频率调节能力，研究了大规模应用控制器对静态和动态负载的影响，并全面评估了阻尼系数控制过程对主电网电压稳定性的影响。大规模应用所提出的控制器可显著提高频率调节能力，且几乎不影响负载的工作状态。它还能明显改善系统频率的动态性能。所提出的控制器可为高比例可再生能源的新型电力系统的频率调节提供技术支持。

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

Journal of Modern Power Systems and Clean Energy ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

12.30

自引率

14.30%

发文量

审稿时长

13 weeks

期刊介绍： Journal of Modern Power Systems and Clean Energy (MPCE), commencing from June, 2013, is a newly established, peer-reviewed and quarterly published journal in English. It is the first international power engineering journal originated in mainland China. MPCE publishes original papers, short letters and review articles in the field of modern power systems with focus on smart grid technology and renewable energy integration, etc.