Indian Journal of Science and Technology

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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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