Review of Impact of Grid Following Variable Renewable Energy Supplementary Frequency Control on Frequency Stability and Small-disturbance Synchronization Stability

被引：0
|
作者：
Luo K. [1 ]
Guo J. [1 ]
Wang W. [1 ]
Wang T. [1 ]
Ma S. [1 ]
Wang M. [1 ]
Wang G. [1 ]
机构：
[1] China Electric Power Research Institute, Haidian District, Beijing
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 04期
关键词：
frequency regulation; frequency stability; renewable energy; small-disturbance stability; synchronization stability;
D O I：
10.13334/j.0258-8013.pcsee.222307
中图分类号：
学科分类号：
摘要：
The large-scale grid integration of variable renewable energy (VRE) leads to the reduction of system inertia, which puts forward the demand for the frequency regulation capabilities of VRE. The supplementary frequency control of VRE may also bring challenges to the stable operation of the system while providing frequency support for power grid. Focusing on frequency stability and small-disturbance synchronization stability issues within the classification of power system stability, this paper summarizes the characteristics, mechanisms, models and influencing factors of frequency oscillation, synchronous generator power angle oscillation, phase-locked loop angle oscillation and oscillation mode coupling. With this contribution, the characteristics of VRE participating in frequency regulation are analyzed, and the influence mechanisms of control parameters such as supplementary inertial control, primary frequency control and frequency regulation response delay on aforementioned oscillation issues are discussed in depth to systematically understand the interaction between the supplementary frequency control and the electromechanical dynamics of synchronous generators, as well as the different control sections of grid following converter. Finally, insights are given, and related technical directions are prospected, which will provide reference and guidance for the related parameters design of frequency regulation and the stable operation of high shares of VRE power systems. ©2023 Chin.Soc.for Elec.Eng.
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页码：1262 / 1280
页数：18
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