An Under Voltage-Frequency Load Shedding Method for Emergency Condition of Microgrids
سال انتشار: 1395
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 619
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شناسه ملی سند علمی:
CBCONF01_0267
تاریخ نمایه سازی: 16 شهریور 1395
چکیده مقاله:
Maintaining balance between generations and loads is an essential issue in power electronic-interfaced microgrids. Furthermore, due to inherent changing of operation mode from grid-connected to islanded, the risk of placing the microgrid in emergency condition is increased. Therefore, it is vital to recognize the emergency condition and implement an efficient approach, accordingly. This paper introduces a new algorithm for under voltage-frequency load shedding in AC microgrids. The proposed algorithm uses the system frequency, rate of change of the frequency, and voltage standard deviation parameters to identifying emergency condition properly at the right time and decrease the amount of load shedding to the least. The effectiveness of the proposed approach is evaluated through a typical microgrid test system.
کلیدواژه ها:
نویسندگان
Omid Sarchami
Department of Electrical and Computer Engineering University of Kurdistan Sanandaj, Kurdistan, Iran
Qobad Shafiee
Department of Electrical and Computer Engineering University of Kurdistan Sanandaj, Kurdistan, Iran
Hassan Bevrani
Department of Electrical and Computer Engineering University of Kurdistan Sanandaj, Kurdistan, Iran