Inertia estimation of renewable power system considering photovoltaics

被引：0
|
作者：
Li D. [1 ]
Guo T. [1 ]
Liu Q. [1 ]
Zhang J. [1 ]
机构：
[1] College of Electrical Engineering, Shanghai University of Electric Power, Shanghai
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2021年 / 42卷 / 05期
关键词：
Frequency response; Inertia; Renewable power system; Solar power generation; Synchronous generators;
D O I：
10.19912/j.0254-0096.tynxb.2019-0066
中图分类号：
学科分类号：
摘要：
The penetration rate of renewable sources in power system increases gradually, system inertia decreases apparently and response characteristics of frequency changes greatly which brings serious challenges for operation and control of power system. Based on renewable power system of new generation which contains virtual synchronous generator control strategy, all kinds of inertia resources are analyzed in detail from the perspectives of both theoretical inertia and calculated inertia. Besides, an original method to estimate system inertia accurately is proposed considering photovoltaics. Then power system simulation model is conducted based on DIgSILENT PowerFactory. Considering scenarios of traditional power system and photovoltaics integration, system inertia are precisely evaluated. Simulation results demonstrate that the proposed strategy exhibits good feasibility, effectiveness and accuracy for both traditional power system and renewable power system. © 2021, Solar Energy Periodical Office Co., Ltd. All right reserved.
引用
收藏
页码：174 / 179
页数：5
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