Volume 19, Issue 1 (JIAEEE Vol.19 No.1 2022)                   Journal of Iranian Association of Electrical and Electronics Engineers 2022, 19(1): 111-123 | Back to browse issues page

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Hakimi S M, Hasankhani A, Sharabi E. Optimization of Economic Power Flow in DC Microgrid in the Presence of Renewable Energy Resources with Voltage Controller Using Virtual Impedance and Real-time Pricing. Journal of Iranian Association of Electrical and Electronics Engineers 2022; 19 (1) :111-123
URL: http://jiaeee.com/article-1-1001-en.html
Optimization of Economic Power Flow in DC Microgrid in the Presence of Renewable Energy Resources with Voltage Controller Using Virtual Impedance and Real-time Pricing
Seyed Mehdi Hakimi * , Arezoo Hasankhani , Elnaz Sharabi
Department of Electrical Engineering and Renewable Energy Research Center, Damavand Branch, Islamic Azad University
Abstract:   (1949 Views)
In this paper, the economic load dispatch is investigated in order to minimize the operation cost in DC Microgrids. The operation cost includes the DG production cost and the grid electricity, while other parameters like component’s efficiency and demand response are considered in this study. In order to model the DC Microgrids, an electrical grid with wind and photovoltaic units, fuel cell and energy storage systems are considered connected to the main grid. This study is done in MATLAB and GAMS software, and the results are analyzed and compared in both cases. The results prove the suitability of both algorithms especially at peak hours. The voltage profile is within the limits for all cases. The economic load dispatch shows that energy storage systems are more applied in the optimization in MATLAB software; however, DGs are more applied in the optimization in GAMS software, while Microgrid is transferring more electricity with main grid.
 
Keywords: DC MICROGRID, RENEWABLE ENERGY, ECONOMIC LOAD DISPATCH, GENETIC ALGORITHM.
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Type of Article: Research | Subject: Power
Received: 2019/10/16 | Accepted: 2020/07/20 | Published: 2022/04/14
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