Investigation of the Operation of Active Superconducting Fault Current Limiters in Distribution Networks Connected to Microgrids
سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 115
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شناسه ملی سند علمی:
JR_JAREE-2-1_003
تاریخ نمایه سازی: 3 دی 1402
چکیده مقاله:
Increasing the penetration level of distributed generation (DG) units in radial power distribution systems can increase the short-circuit level in these networks, which can, in turn, have destructive effects such as exceeding the tolerable current of the equipment and disrupting the protective coordination in the network. The active superconducting fault current limiter (ASFCL) is a new device that can limit fault current using voltage series compensation. This paper discusses the modeling of ASFCL and control strategies including fault detection and converter performance in normal and fault modes. Initially, its performance in limiting the fault current is investigated by simulating a sample three-phase system with ASFCL. In the next step, three operating modes including normal mode, upstream fault mode, and downstream fault mode are proposed to achieve an adaptive FCL that solves these problems in grid-connected microgrids. The simulation results confirm the proper performance of the ASFCL modes in both fault current limiting and protective coordination of overcurrent relays in the network.
کلیدواژه ها:
Fault current limiter ، Active superconducting current controller ، Grid-connected microgrid ، Protective coordination
نویسندگان
Ahmad Ghafari
Department of Electrical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz ۶۱۳۵۷-۸۵۳۱۱, Iran
Mohsen Saniei
Department of Electrical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz ۶۱۳۵۷-۸۵۳۱۱, Iran
Morteza Razzaz
Department of Electrical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz ۶۱۳۵۷-۸۵۳۱۱, Iran
Alireza Saffarian
Department of Electrical Engineering, Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz ۶۱۳۵۷-۸۵۳۱۱, Iran
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