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1.智能电网教育部重点实验室(天津大学),天津市 300072
2.国网天津市电力公司电力科学研究院,天津市 300384
祖国强(1989—),男,博士,工程师,主要研究方向:智能配电系统运行与规划、配电网管理与状态评价。E-mail:zuguoqiang_tju@163.com
肖峻(1971—),男,通信作者,博士,教授,主要研究方向:智能配电系统运行与规划、分布式电源与微网。E-mail:xiaojun@tju.edu.cn
穆云飞(1984—),男,博士,副教授,主要研究方向:电力系统安全性与稳定性、综合能源集成与应用。
收稿日期:2019-06-17,
修回日期:2019-08-18,
网络出版日期:2019-11-19,
纸质出版日期:2020-04-25
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祖国强,肖峻,穆云飞等.计及分布式电源与需求响应的智能配电系统安全域[J].电力系统自动化,2020,44(8):100-107.
ZU Guoqiang,XIAO Jun,MU Yunfei,et al.Security Region for Smart Distribution System Considering Distributed Generator and Demand Response[J].Automation of Electric Power Systems,2020,44(8):100-107.
祖国强,肖峻,穆云飞等.计及分布式电源与需求响应的智能配电系统安全域[J].电力系统自动化,2020,44(8):100-107. DOI: 10.7500/AEPS20190617001.
ZU Guoqiang,XIAO Jun,MU Yunfei,et al.Security Region for Smart Distribution System Considering Distributed Generator and Demand Response[J].Automation of Electric Power Systems,2020,44(8):100-107. DOI: 10.7500/AEPS20190617001.
中国城市电网正逐步发展为智能配电网,系统运行环境将更为复杂。配电系统安全域(DSSR)是指导配电网安全运行的新理论,文中考虑智能配电网的2个主要元素——分布式电源(DG)和需求响应(DR),从传统的负荷视角研究DSSR。首先,分析含DG和DR的配电系统安全性特点,给出相应的数学表达式,然后建立考虑DG和DR的DSSR数学模型。其次,通过观测算例电网的DSSR的二维截面图像,分析DG和DR对DSSR的作用机理,并基于此给出系统规划运行的指导建议。提出的DSSR的负荷视角与现有调度人员习惯一致,对于仍以负荷供电为主、以DG和DR服务为辅的城市配电网,可作为实用的安全运行分析工具。
The urban power grid of China is evolving to smart distribution network progressively
of which the operation circumstance will be more complicated. Distribution system security region (DSSR) is a new concept for guiding the safety operation of distribution system. This paper studies the smart DSSR from the traditional view of load
taking two main elements of smart distribution system into account: distributed generator (DG) and demand response (DR). Firstly
the characteristics of security for distribution systems with DG and DR is analyzed. Then the mathematic model of DSSR with DG and DR is built. Secondly
the effect mechanism of DG and DR on DSSR is studied by observing the diagram of two-dimensional sections for DSSR of the case
and based on which the guidance for planning and operating the system is proposed. The view of the load for proposed DSSR in this paper is consistent with the usual practice of dispatchers and can be a useful analysis tool of real-time security operation for urban distribution network
which gives first place to load supply and give second place to DG and DR service.
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