2024 : 3 : 29
Qobad Shafiee

Qobad Shafiee

Academic rank: Associate Professor
ORCID:
Education: PhD.
ScopusId: 48161731600
Faculty: Faculty of Engineering
Address: Department of Electrical Engineering, University of Kurdistan, PO Box 416, Sanandaj, Kurdistan, Iran.
Phone:

Research

Title
An Under Voltage-Frequency Load Shedding Method for Emergency Condition of Microgrids
Type
Presentation
Keywords
Emergency control, load shedding, microgrids, frequency index, voltage index
Year
2016
Researchers Omid Sarchami ، Qobad Shafiee ، Hassan Bevrani

Abstract

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.