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Start Over Author "Oh, Yun-Sik" Journal journal of the korean institute of illuminating and electrical installation engineers
15 results on '"Oh, Yun-Sik"'

4. Protection Coordination Using Superconducting Fault Current Limiters in Microgrids

Author

Oh， Yun-Sik, Raza Haider, Muhammad Saeed Uz Zaman, Kim， Chul-Hwan, Zahoor Ahmed, Muhammad Mehdi, and Syed Basit Ali Bukhari

Subjects
Interconnection, business.industry, Computer science, 020209 energy, 02 engineering and technology, Fault (power engineering), Reliability engineering, Power (physics), law.invention, Electric power system, Relay, law, Distributed generation, 0202 electrical engineering, electronic engineering, information engineering, Microgrid, business, MATLAB, computer, computer.programming_language
Abstract

Power generating units in the form of distributed generation (DG) are integrating with microgrid (MG) systems to supply reliable power to users. The trend of an integrated power supply is increasing continually to meet growing energy demands. Besides certain advantages of the MG system, some interconnection and system protection issues pose a challenge in terms of implementation. These problems need to be addressed in order to facilitate smooth operation of power systems. Superconducting fault current limiters (SFCLs) provide the best performance and unique protection features to electrical power systems during various fault conditions. This paper describes modeling, characterization, and implementation of SFCL in an MG system to enhance protection coordination. The proposed SFCL is modeled in MATLAB/ Simulink software and the performance of the system is validated through simulation results. It is also shown that the proposed SFCL provides a means of better relay coordination during various fault conditions. This is achieved by incorporating well-calculated design parameters of SFCL and its placement at optimal locations.

Published
2017

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