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1.浙江大学电气工程学院,浙江省杭州市 310027
2.河海大学能源与电气学院,江苏省南京市 211100
李知艺(1989—),男,通信作者,博士,研究员,博士生导师,主要研究方向:智能配电网、能源大数据分析。E-mail:zhiyi@zju.edu.cn
李碧桓(1998—),男,博士研究生,主要研究方向:负荷特性分析、配电网量测。E-mail:greenloop@zju.edu.cn
鞠平(1962—),男,博士,教授,博士生导师,主要研究方向:电力系统建模与控制。E-mail:pju@hhu.edu.cn
收稿:2024-01-24,
修回:2024-07-11,
网络出版:2024-09-12,
纸质出版:2024-10-25
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李知艺,李碧桓,鞠平.新型配电系统的广义负荷可观性问题探讨[J].电力系统自动化,2024,48(20):12-24.
LI Zhiyi,LI Bihuan,JU Ping.Discussion on Observability of Generalized Load in New Distribution Systems[J].Automation of Electric Power Systems,2024,48(20):12-24.
李知艺,李碧桓,鞠平.新型配电系统的广义负荷可观性问题探讨[J].电力系统自动化,2024,48(20):12-24. DOI: 10.7500/AEPS20240124002.
LI Zhiyi,LI Bihuan,JU Ping.Discussion on Observability of Generalized Load in New Distribution Systems[J].Automation of Electric Power Systems,2024,48(20):12-24. DOI: 10.7500/AEPS20240124002.
分散在新型配电系统中的广义负荷具备一定的调控潜力,为应对新能源渗透率攀升引发的源-荷再平衡提供了有效思路。对广义负荷特性的观测是负荷侧参与调控的前提。文中对广义负荷可观性的内涵、评估与提升进行探讨。首先,阐明可观性的概念与内涵,结合广义负荷特性和电网调控需求提出可观性研究的3个层次,即围绕广义负荷典型成分进行成分识别、占比估计和态势分析研究。在此基础上,分析典型负荷成分特征并提出可观性评估方法的选取原则。随后,以提升可观性为目的探讨量测配置方案,并梳理量测数据的价值挖掘思路。最后,展望新型配电系统中的广义负荷可观性研究,包括整体框架、评估与提升。
The generalized load dispersed in the new distribution system has a certain regulation potential
which provides an effective way to deal with the source-load rebalancing caused by the rising penetration of renewable energy. The observability of generalized load characteristics is the premise for the load side to participate in the regulation. This paper discusses the connotation
assessment and improvement of generalized load observability. Firstly
the concept and connotation of observability are clarified
and three levels of observability research are proposed based on generalized load characteristics and power grid regulation requirements
namely
component identification
proportion estimation and situation analysis around typical components of generalized load. On this basis
the characteristics of typical load components are analyzed and the selection principle of observability assessment method is proposed. Then
the measurement configuration scheme is discussed for the purpose of improving observability
and the ideas for value mining of measurement data are sorted out. Finally
the research on generalized load observability in new distribution systems is prospected
including the overall framework
assessment and improvement.
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