Estimation of Medium- and Long-term Inertia Level Tendency for Power System and Its Application

被引：0

作者：

Zhang W. ^{[1
]}

Wen Y. ^{[1
]}

He Y. ^{[2
]}

You G. ^{[2
]}

Li H. ^{[3
]}

机构：

[1] Engineering Research Center, Ministry of Education for Power Transmission and Transformation New Technology, Hunan University, Changsha

[2] Power Grid Planning and Construction Research Center, Yunnan Power Grid Co., Ltd., Kunming

[3] Electric Power Research Institute, Shenzhen Power Supply Co., Ltd., Shenzhen

来源：

Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2024年 / 48卷 / 10期

基金：

中国国家自然科学基金;

关键词：

inertia estimation; inertia security; minimum start-up scale; renewable energy; synchronous power source;

D O I：

10.7500/AEPS20230102002

中图分类号：

学科分类号：

摘要：

Power grid planning decision-makers and operators still have difficulty in effectively mastering the changes in the new power system inertia level with various influencing factors in the future high-proportion asynchronous power source access scenarios, and cannot effectively formulate response measures for low-inertia scenarios. To address this challenge, the main differences between inertia estimation methods for planning decisions and control operation in two different scenarios are compared and analyzed. The challenges and research framework of medium- and long-term inertia level estimation from three perspectives of basic methods, time scales, and target objects are elaborated. Based on this, the estimation method for the medium- and long-term inertia level tendency based on planning data is proposed, which realizes a rapid estimation of the range of system inertia changes in different future operation scenarios, and the application scenarios of medium- and long-term estimation from the perspective of inertia safety are explained. The proposed method has been applied to the analysis of inertia changing tendency and safety grading warning of the“14th Five-Year Plan”system in a provincial power grid in China. The extreme penetration rate of asynchronous power source and the minimum start-up scale of synchronous power sources are analyzed based on inertia safety requirements. © 2024 Automation of Electric Power Systems Press. All rights reserved.

引用

页码：54 / 65

页数：11

共 21 条

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