Temporal and Spatial Characteristics of Power System Inertia and Its Analysis Method

被引：0
|
作者：
Zeng F. [1 ]
Zhang J. [1 ]
机构：
[1] School of Electric Power, South China University of Technology, Guangzhou, 510641, Guangdong Province
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2020年 / 40卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Inertia support; Node frequency; Node inertia; Power system inertia; Temporal and spatial characteristics;
D O I：
10.13334/j.0258-8013.pcsee.190084
中图分类号：
学科分类号：
摘要：
With the increasing of wind power and photovoltaic penetrations, the power system inertia has changed in characteristics and forms. Traditional power system inertia researches mainly focused on the system or regional level analysis and few mentioned the inertia of each system node, therefore, it is difficult to analysis the temporal and spatial characteristics of power system inertia and more valuable details are hardly provided for the system safety and stability analysis. To cope with this problem, the physical attributes of inertia in power systems, and then proposed the concept of node inertia and its physical interpretation/ representation were illustrated. After that, based on the dynamic characteristics of node frequencies under large and small disturbances, methods for the temporal and spatial characteristics of power system inertia analysis were proposed, followed by a visualization method which provides real-time monitoring of power system inertia distribution. Simulations were carried out in the 10-machine 39-bus system, and results validate the proposed method. © 2020 Chin. Soc. for Elec. Eng.
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页码：50 / 58
页数：8
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