Indian Journal of Science and Technology
DOI: 10.17485/ijst/2016/v9i16/92109
Year: 2016, Volume: 9, Issue: 16, Pages: 1-6
Original Article
Abdullah Mahmoudi* and Seyed Hossein Hosseinian
Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran; [email protected], [email protected]
*Author of Corresponding: Abdullah Mahmoudi Department of Electrical Engineering, Amirkabir University of Technology, Tehran, Iran; [email protected]
Active rectifier loads become more popular, recently, and their characteristics have been studied in the literature especially when they are connected to Micro Grids (MGs). In this paper, a modified AC current controller for such loads is proposed where the current direction and voltage drops of the output filter of active loads are involved in the controller. The proposed controller improves the performance of such loads either in single mode or in combined mode with MGs. Active load dynamics become relatively fast and smooth using the proposed method. The modified AC current controller makes the system more stable and also possible choices for controller parameters are widened. The validation and comparison of different case studies show the performance of the proposed method.
Keywords: Active Loads, AC Current Controller, Eigenvalues, Microgrids, Stability Analysis
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