State enumeration technique combined with a labeling bus set approach for reliability evaluation of substation configuration in power systems |
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| Affiliation: | 1. College of Electrical Engineering, Chongqing University, Chongqing 400044, China;2. British Columbia Transmission Corporation, Suite 1100, Four Bentall Center, 1055 Dunsmuir Street, P.O. Box 49260, Vancouver, BC, Canada V7X 1V5;1. Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China;2. Shanghai Electric Power Design Institute Co., Ltd., Shanghai 200025, China;1. GIS Department, North-delta Electricity Distribution Company, Mansoura, Egypt;2. Computer and Control Systems Department, Faculty of Engineering, Mansoura University, Mansoura, Egypt;1. Department of Biomedical Imaging and Imge-guided Therapy, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria;2. Department of Diagnostic and Interventional Radiology, University Hospital Jena, Erlanger Allee 101, 07740 Jena, Germany;3. Department of Neuroradiology, University Hospital Erlangen, Schwabachanlage 6, 91054 Erlangen, Germany;1. Russian Cardiology Research Complex, Moscow, Russia;2. Academician V.I. Shumakov Federal Research Center of Transplantology and Artificial Organs, Moscow, Russia;3. Saint-Petersburg State University, Saint-Petersburg, Russia;1. School of Engineering Science, University of Science and Technology of China, Hefei 230026, PR China;2. MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing 100044, PR China |
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| Abstract: | The paper presents a network state enumeration technique combined with a labeling bus set approach for reliability evaluation of substation configuration in power systems. The presented method is easy to handle dependent failures, multiple failure modes and multiple states of components. Another merit is that network failure states enumerated are mutually exclusive and therefore avoid complex calculations associated with union and intersections which have to be conducted in the minimum cut set method. The basic procedure of the labeling bus set approach for identifying a network failure state is explained using a substation configuration with protection action and operational switching. An example of a substation layout is given to demonstrate effectiveness of the proposed method. |
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