Adaptive distance protection setting in presence of mid-point STATCOM using synchronized measurement |
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| Affiliation: | 1. Electrical Engineering Department, The University of Jordan, Amman 11942, Jordan;2. Computer Engineering Department, The University of Jordan, Amman 11942, Jordan;1. Department of Electrical Engineering, National Institute of Technology, Silchar, India;2. School of Electrical Engineering, Key Laboratory of Power System Intelligent Dispatch and Control, Shandong University, Jinan, China;1. School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, South Korea;2. Department of Chemistry Education, Seoul National University, Seoul 151-742, South Korea;3. School of Advanced Materials Science & Engineering, Sungkyunkwan University, Gyeonggi-do 440-746, South Korea;4. Department of NanoMechatronics Engineering and BK21 Plus Nano Convergence Technology Division, College of Nanoscience and Nanotechnology, Pusan National University, Busan 609-735, South Korea |
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| Abstract: | EHV and HV transmission lines are used widely to transfer power from power generating area to large load centers. Nowadays compensating devices which uses modern power electronic devices are mostly used to improve the power transfer capability of transmission lines. Use of FACTS devices in transmission lines affect protection system very drastically. In this paper, the issues related with distance protection of transmission lines with STATCOM connected at mid-point are addressed. To mitigate the problems associated with distance protection, a novel algorithm based on synchronized measurement for adaptive relay setting is proposed. The power system is modeled in EMTDC/PSCAD software with frequency dependent model of transmission line. The results obtained for the new adaptive setting scheme are accurate, robust and superior in comparison with those obtained from existing distance protection schemes for transmission line with STATCOM. |
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| Keywords: | Adaptive distance protection PSCAD STATCOM Shunt compensation |
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