A cost-effective fault management system for distribution systems with distributed generators |
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| Affiliation: | 1. Department of Electrical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan;2. Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan;1. Department of Information Networks, Faculty of Information Technology, University of Babylon, Babylon 00964, Iraq;2. School of Electronics and Electrical Engineering (SELECT), VIT University, Vellore 632014, India;3. School of Computer Science, Centre of Software Technology and Management (SOFTAM), Faculty of Information Science and Technology (FTSM), Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia;4. School of Computing and Information Systems, Faculty of Science, Engineering and Computing, Kingston University, Kingston Upon Thames KT1 2EE, United Kingdom;5. Computer Network Department, Computer Science and Information System College, Jazan University, Jazan, Saudi Arabia;1. University of Sarajevo, Faculty of Electrical Engineering, Zmaja od Bosne bb, 71000 Sarajevo, Bosnia and Herzegovina;2. Department of Electrical & Computer Engineering, American University of Beirut, P.O. Box 11-0236, Riad El- Solh/ Beirut 1107 2020, Lebanon;3. International University of Sarajevo, Hrasnička cesta 15, 71210 Sarajevo, Bosnia and Herzegovina |
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| Abstract: | Fault Management System (FMS) is one of the main functions in Distribution Automation System (DAS); however, the conventional FMS cannot be used in distribution systems with Distributed Generators (DGs) due to the lack of directional function. The directional fault detection device is expensive due to the expensive directional module used. In a wide-ranging distribution system, the investment cost will be very high if the fault detecting devices are expensive. Therefore, the design and implementation of a cost-effective FMS for distribution system with DGs is necessary. A Multi-Level Fault-Current Indicator (MLFCI) having a plurality of reed switches used to detect different current levels is proposed in this paper. The hardware prototype is designed and implemented. An algorithm used to locate fault based on the different fault current levels is derived. A MLFCI-based FMS for distribution systems with DGs is then realized. Experimental results demonstrate the feasibility of the proposed MLFCI. Simulation results are then used to demonstrate the validity of the proposed MLFCI-based FMS for distribution systems with DGs. |
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| Keywords: | Fault management system Distribution automation system Distributed generator Multi-level fault current indicator Reed switch |
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