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      1. 学术预告
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        Transmission and Distribution System Coordination: Solution to Challenges from Distributed Energy Resources (输配电系统协调:应对分布式能源的挑战)
        发布时间:2019年06月26日 21:43    作者:    点击:[]

        学术讲座

        讲座主题 : Transmission and Distribution System Coordination: Solution to Challenges from Distributed Energy Resources

        (输配电系统协调:应对分布式能源的挑战)

        主 讲 人 : 李正烁 博士

        主 持 人 : 杨明 教授

        讲座时间 : 2019年6月27日(周四)上午10:30-11:30

        讲座地点 : 电力楼524会议室

        主讲人介绍 :李正烁,博士,南卫理公会大学(Southern Methodist University)研究助理教授,2011、2016年分别获得清华大学学士和博士学位,2016-2018年于清华-伯克利深研院从事博士后研究,2018/01-2018/05以访问学者身份于美国加州大学伯克利分校从事合作研究,2018年9月入职南卫理公会大学。主要研究方向为输/配电网的经济调度与安全分析,智能电网的需求侧响应等。

        目前,李正烁博士已出版了英文专著一部,在领域权威期刊发表高水平、高索引论文60余篇,包括30篇SCI期刊论文,获专利授权10余项。其Google Scholar引用率已超800次,H-index为28。2017年获中国博士后科学基金特别资助(当年仅有8名电气工程专业学者获此特别资助),2016年获IEEE电力与能源协会年会、中国博士生学术年会最佳论文奖,多次获评IEEE Trans. Smart Grid、Proceedings of CSEE等杂志最佳审稿专家。

        主讲内容摘要 : Transmission-distribution coordinated energy management (TDCEM) is recognized as a promising solution to the challenge of high DER penetration, but there is a lack of a distributed computation method that universally and effectively works for the TDCEM. To bridge this gap, a generalized master-slave-splitting (G-MSS) method is proposed in this research. This method is based on a general-purpose transmission-distribution coordination model called G-TDCM, which thus enables the G-MSS to be applicable to most of the central functions of the TDCEM. In this G-MSS method, a basic heterogenous decomposition (HGD) algorithm is first derived from the heterogenous decomposition of the coupling constraints in the KKT system regarding the G-TDCM. The optimality and convergence properties of this algorithm are proved. Further, inspired by the conditions for convergence, a modified HGD algorithm that utilizes the subsystem’s response function is developed and thus converges faster. The distributed G-MSS method is then demonstrated to successfully solve a series of central functions, e.g. power flow, contingency analysis, voltage stability assessment, economic dispatch and optimal power flow, of the TDCEM. The severe issues of over-voltage and erroneous assessment of the system security that are caused by DERs are thus resolved by the G-MSS method with modest computation cost.

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