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Framework for Preventive Control of Power Systems to Defend Against Extreme Events

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  • 国家科技期刊平台
  • NETL
  • NSTL
  • 万方数据
Enhancing power system resilience against extreme events is becoming increasingly critical.This paper discusses a unified framework for preventive control of power systems to enhance system resilience,which includes three parts:resilience assessment,resilience grading,and resilience enhancement.First,the resilience assessment contains facility-level and system-level resilience assessment.The concept of fragility curve is used in the facility-level resilience assessment.Various resilience indices are developed in system-level resilience assessment to roundly depict the impacts of extreme events on power systems and determine the system resilience.On this basis,the resilience is divided into different levels by resilience grading strategy,which can efficiently quantify the severity of the impact of extreme events and provide decision-making for the resilience enhancement strategies.Then,control strategies for enhancing power system resilience are also divided according to different resilience levels.A controlled islanding based preventive control is proposed to enhance system resilience,which aims to strengthen the first defensive line of power systems to deal with extreme events.Finally,taking the typhoon disaster in extreme events as an example,two tests carried out with two typhoons demonstrate the efficiency of the proposed method.

Controlled islandingextreme eventspower system resiliencepreventive control

Yuwei Xiang、Tong Wang、Zengping Wang

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State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources,North China Electric Power University,Beijing 102206,China

Science and Technology Project of State Grid Corporation of ChinaScience and Technology Project of State Grid Corporation of China

5100-202199530A-0-5-ZN5211DS21N013

2024

10.17775/CSEEJPES.2022.07290

中国电机工程学会电力与能源系统学报(英文版)
中国电机工程学会

中国电机工程学会电力与能源系统学报(英文版)

CSTPCDEI
ISSN：2096-0042
年,卷(期)：2024.10(2)
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