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An Integrated Cyber-Physical Simulation Environment for Smart Grid Applications

Tsinghua Science and Technology 2014年第2期19卷 133-143页

作者： Yuxin Wan Junwei Cao Shuqing Zhang Guoyu Tu Chao Lu Xingtao Xu Keqin Li the Department of Automation Research Institute of Information TechnologyTsinghua National Laboratory for Information Science and TechnologyTsinghua University the Department of Electrical Engineering Tsinghua University State Grid Jiangsu Electric Power Company Department of Computer Science State University of New York New Paltz

The concept of Cyber-Physical Systems （CPSs）, which combine computation, networking, and physical processes, is considered to be beneficial to smart grid applications. This study presents an integrated simulation environment to provide a unified platform for the investigation of smart grid applications involving power grid monitoring, communication, and control. In contrast to the existing approaches, this environment allows the network simulator to operate independently, importing its results to the power system simulation. This resolves conflicts between discrete event simulation and continuous simulation. In addition, several data compensation methods are proposed and investigated under different network delay conditions. A case study of wide-area monitoring and control is provided, and the efficiency of the proposed simulation framework has been evaluated based on the experimental results.

关键词： control cyber-physical system simulation smart grid wide-area monitoring

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PMU Based monitoring and Estimation of Inter-area Power Oscillation for Singapore-Malaysia Interconnection Power System

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Journal of Energy and Power Engineering 2012年第3期6卷 463-468页

作者： Dikpride Despa Yasunori Mitani Masayuki Watanabe Changsong Li Department of Electrical and Electronic Engineering Kyushu Institute of Technology Fukuoka 804-8550 Japan Department of Electrical Engineering Lampung University Bandar Lampung 35-145 Indonesia

This paper proposes a PMU （phasor measurement unit） based monitoring and estimation scheme of power system small-signal stability in Singapore-Malaysia interconnection power system through a 50-Hz and 500 kV transmission line. Two PMUs are installed in the power system interconnection network of Singapore-Malaysia. One PMU is located in Singapore and the other one in Malaysia （Penang）. Both PMUs measure the single-phase voltage phasor. The data filtering technique based on FFT （Fast Fourier Transform） is employed to extract oscillation data for single mode. Finally, some analysis results of monitoring and estimation of Singapore-Malaysia interconnected power system based on application practice of the CampusWAMS are presented and analyzed.

关键词： Phasor measurement unit wide-area monitoring power system oscillation FFT filter.

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