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1.清华大学电机工程与应用电子技术系,北京市 100084
2.新型电力系统运行与控制全国重点实验室(清华大学),北京市 100084
3.国网山东省电力公司电力科学研究院,山东省济南市 250003
4.广东电网有限责任公司,广东省广州市 510180
吴文传(1973—),男,通信作者,教授,国家杰出青年科学基金获得者,IEEE/CSEE/IET Fellow,主要研究方向:大电网能量管理与运行控制、主动配电网、机器学习理论及其在能源系统的应用。E-mail:wuwench@tsinghua.edu.cn
蔺晨晖(1995—),男,助理研究员,入选中国科协青年人才托举工程,主要研究方向:电力系统调控、主动配电网、分布式优化。E-mail:linchenhui@tsinghua.edu.cn
孙宏斌(1969—),男,教授,国家杰出青年科学基金获得者,IEEE/CSEE/IET Fellow,主要研究方向:能源互联网、智能电网、电力系统运行与控制。E-mail:shb@tsinghua.edu.cn
收稿:2024-05-10,
修回:2024-06-07,
网络出版:2024-08-29,
纸质出版:2024-10-25
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吴文传,蔺晨晖,孙宏斌等.基于机器学习的主动配电网能量管理与运行控制[J].电力系统自动化,2024,48(20):2-11.
WU Wenchuan,LIN Chenhui,SUN Hongbin,et al.Machine Learning Based Energy Management and Operation Control for Active Distribution Networks[J].Automation of Electric Power Systems,2024,48(20):2-11.
吴文传,蔺晨晖,孙宏斌等.基于机器学习的主动配电网能量管理与运行控制[J].电力系统自动化,2024,48(20):2-11. DOI: 10.7500/AEPS20240510007.
WU Wenchuan,LIN Chenhui,SUN Hongbin,et al.Machine Learning Based Energy Management and Operation Control for Active Distribution Networks[J].Automation of Electric Power Systems,2024,48(20):2-11. DOI: 10.7500/AEPS20240510007.
随着分布式资源和灵活负荷广泛接入,配电网正演变成为主动配电网,其能量管理与运行控制面临着巨大挑战:1)海量分布式资源并网使得调控需求大增,同时引入了大量随机性使得运行风险增加,需要挖掘其主动支撑能力;2)分布式资源量大且异动频繁,难以及时维护,配电网模型精度差,基于精确建模的运行控制和优化调度技术的工程应用困难。为应对上述挑战,文中介绍了基于机器学习的理论和方法,提出了“测-辨-控”一体化的主动配电网能量管理与运行控制技术体系,实现少/免模型维护的运行控制与优化调度。同时,分析了以下核心技术:1)配电网弱/无模型实时调控技术,实现自律优化;2)分布式资源集群自适应动态控制技术,实现对电网的主动支撑;3)风险量化的概率优化调度方法,实现风险与经济的平衡。最后,简要介绍了适应含极高比例分布式资源的主动配电网的能量管理与运行控制系统架构。
With the large-scale integration of distributed energy resources (DERs) and flexible power loads
the distribution networks are transforming into active distribution networks (ADNs). This transformation poses significant challenges to the energy management and operation control: 1) The integration of massive DERs requires additional scheduling capacity
which necessitates the active control of DERs to enhance system support capabilities. The variability of these sources also significantly increases the operation risk of ADNs. 2) The complexity and frequent changes in DERs make timely maintenance impractical
and the accuracy of the distribution network model is poor. The engineering application of the precise modeling based operation control and optimal scheduling technology is difficult. To address these challenges
this paper introduces the theory and methods based on machine learning
proposes an energy management and operation control technology system for ADNs that integrates “measurement-identification-control”
and realizes operation control and optimal scheduling with minimal/no model maintenance. Meanwhile
the following key techniques are analyzed: 1) the real-time scheduling technology for distribution networks with weak models or without models
achieving autonomous optimization; 2) the adaptive dynamic control technology for DER clusters
enabling proactive support for the power grid; 3) the probability optimization scheduling method for risk quantification
achieving a balance between risk and economy. Finally
the architecture of the energy management and operation control system suitable for ADNs with a extremely high proportion of DERs is briefly introduced.
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