智能电网环境下分布式阻尼控制器设计

doi:10.11930/j.issn.1004-9649.2017.01.067.07

中国电力 ›› 2017, Vol. 50 ›› Issue (1): 67-73.DOI: 10.11930/j.issn.1004-9649.2017.01.067.07

智能电网环境下分布式阻尼控制器设计

盛立健¹, 孙军², 王海龙³, 付蓉³, 雍太有⁴

1. 南京南瑞集团公司（国网电力科学研究院）,江苏南京 210061;
2. 南京南瑞集团公司智能电网保护和运行控制国家重点实验室,江苏南京 211000;
3. 南京邮电大学自动化学院,江苏南京 210023;
4. 中国电力科学研究院,江苏南京 210003

收稿日期:2016-08-08 出版日期:2017-01-20 发布日期:2017-01-23
作者简介:盛立健（1983-）,男,江苏南京人,硕士,工程师,从事复杂电力系统分析、控制与实验验证工作。E-mail: shenglijian@sgepri.sgcc.com
基金资助:
国家重点实验室开放课题项目“智能电网信息物理融合系统运行安全分析与防御策略研究”; 国家电网公司科技项目（DZN17201300197）

Design of Distributed Damping Controller in Smart Grid

SHENG Lijian¹, SUN Jun², WANG Hailong³, FU Rong³, YONG Taiyou⁴

1. NARI Group Corporation (State Grid Electric Power Research Institute), Nanjing 210061, China;
2. NARI Group Corporation State Key Laboratory of Smart Grid Protection and Control, Nanjing 211000, China;
3. College of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210023, China;
4. China Electric Power Research Institute, Nanjing 210003, China

Received:2016-08-08 Online:2017-01-20 Published:2017-01-23
Supported by:
This work is supported by National Key Laboratory Open Project “Research on operation security analysis and defense strategy of smart grid cyber physical system”, the Science and Technology Project of SGCC (No. DZN17201300197).

摘要/Abstract

摘要： 智能电网以广域测量系统作为支撑,通过信息的相互关联来有效控制电网稳定运行。在智能电网环境下,针对广域互联电力系统的低频振荡问题,利用分布式网络控制的灵活特性,研究设计一种计及时延的分布式阻尼控制器。考虑将测量信息作为阻尼控制器的输入信号,只涉及到本地及相邻通信节点的信息,进而基于图论新颖法对分布式阻尼控制器输入信号的通信拓扑特性进行描述。在设计广域系统中控制器时考虑到了远程信号的传输时延,并利用其时延依赖稳定性这一充分条件。最后运用到四机两区系统的仿真对比结果,显示本文提及的分布式阻尼控制器不仅使系统阻尼得到有效提高,还体现出局部与区域间低频振荡以及传输线功率振荡的可抑制性,增强了融合电力信息系统的稳定性。

关键词: 智能电网, 互联电力系统, 广域测量系统, 分布式阻尼控制, 低频振荡, 时延依赖

Abstract: With the support of wide area measurement system(WAMS), the smart grid can effectively control the stable operation of power grid through interaction of information. For the low frequency oscillation problem of wide area interconnected power system in smart grid, this paper proposes a distributed wide area damping controller by taking advantage of the flexibility of distributed control, which only uses the measurements from local and adjacent nodes as the input signals. The new graph theory is adopted to describe the communication topology of the controller’s input signals. By taking into account of the transmission delay of remote signals, the controller is designed under the sufficient condition of time-delay dependent stability. Finally, a simulation comparison is made on a four-machine two-area system, which shows that the designed controller can effectively improve the system damping and enhance the stability of system.

Key words: smart grid, interconnected electric power system, wide area measurement system(WAMS), distributed damping control, low frequency oscillation, delay dependent

中图分类号:

TM712

盛立健, 孙军, 王海龙, 付蓉, 雍太有. 智能电网环境下分布式阻尼控制器设计[J]. 中国电力, 2017, 50(1): 67-73.

SHENG Lijian, SUN Jun, WANG Hailong, FU Rong, YONG Taiyou. Design of Distributed Damping Controller in Smart Grid[J]. Electric Power, 2017, 50(1): 67-73.

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智能电网环境下分布式阻尼控制器设计

Design of Distributed Damping Controller in Smart Grid

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