Stability Analysis of AC/DC Microgrids in Island Mode
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-34-7_020
تاریخ نمایه سازی: 12 مرداد 1400
Abstract:
This study aims to introduce a new structure based on a nonlinear controller for controlling and analyzing the stability of the microgrids. In the proposed model, AC and DC resources and loads are located on two different sides. In addition, an AC/DC bidirectional interface converter is applied to supply loads by AC/DC sources. There are AC/DC products on both sides of the converter and each side can supply the load of the other side via a bidirectional interface converter and its load. Alternatively, an energy storage system is used for the system stability on the DC side. The nonlinear microgrid controller is designed to adjust the AC bus side frequency and the DC bus side voltage properly. In this structure, the coordinated optimal power exchange and precise regulation of control signals lead to constant improvement. Thus, system performance is improved. The results show that the proposed model is efficient for both reduction of the fluctuations and improvement of the system stability
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Authors
M. khanalizadeh Eini
Department of Electrical Engineering, Lahijan Branch, Islamic Azad University, Lahijan, Iran,
M. Mirhosseini Moghadam
Department of Electrical Engineering, Lahijan Branch, Islamic Azad University, Lahijan, Iran
A. Tavakoli
Department of Electrical Engineering, Lahijan Branch, Islamic Azad University, Lahijan, Iran
B. Alizadeh
Department of Electrical engineering, Lahijan branch, Islamic Azad university, Lahijan, Guilan, Iran
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