面向配电网弹性提升的源网荷灵活资源优化研究综述及展望

Resilience-Oriented Optimization of Source-Grid-Load Flexible Resources in Distribution Systems:Review and Prospect

日益频发的极端自然灾害和人为攻击对电力系统安全运行造成巨大威胁,弹性配电网技术能有效提高配电系统对极端事件的抵御、响应以及快速恢复负荷的能力。同时随着智能电网技术的发展,配电网中开始接入多样化的灵活资源,这些灵活资源可用于提升配电网正常情况下的可靠性与经济性,但在极端事件与弹性提升方面的潜力尚未被有效挖掘。围绕弹性提升的配电网灵活资源优化展开系统性综述,对广泛分布于源网荷侧的各种灵活资源类型、建模方法以及在弹性配电网中的应用现状进行详细的梳理与讨论,并总结源网荷灵活资源提升配电网弹性的研究趋势,从而为中国未来配电网的规划建设提供参考。

The safe operation of power systems is seriously challenged by increasingly extreme natural disasters and malicious attacks.The technology of resilient distribution systems can significantly improve the capabilities of distribution systems in resisting and responding to extreme events and efficiently restoring loads.Meanwhile,with the development of smart grid technology,distribution systems have access to various flexible resources,which can improve the reliability and economy of distribution systems in normal conditions,while the potential for resilience enhancement has not yet been fully uncovered.Therefore,this paper presents a systematic review of the resilience-oriented optimization of flexible resources in distribution systems.The categories and modeling methods of flexible resources on source-grid-load sides,as well as their applications in resilient distribution systems,are reviewed and discussed in detail.Moreover,the research trends in resilience enhancement of distribution systems by using the source-grid-load flexible resources are concluded,which can provide constructive guidance for the future development of distribution systems in China.