Grid power fluctuation reduction by fuzzy control based energy management system in residential microgrids

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Islam, Mojaharul
Yang, Fuwen
Ekanayek, Chandima
Amin, Mohammad
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2019
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Abstract

Smoothing grid profile plays a crucial role in dynamic operation of microgrid. This paper focuses on reducing the grid power fluctuation in a grid connected microgrid due to stochastic nature of renewable generations and its impact on the stability and quality of distribution network. To achieve this, the control strategies are designed to control the charging/discharging of battery storage system based on the difference between generations of renewable energy resources and load demand as well a battery state. Fuzzy logic controller is applied in energy management system (EMS) of microgrid by considering dramatic behavior of renewable energy resources while maintaining battery state within secure limits. A comparison with time‐based constant and variable charge/discharge control of battery presents in simulation experiment to demonstrate the effectiveness of the proposed fuzzy controller in a residential AC microgrid.

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International Transactions on Electrical Energy Systems
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29
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3
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Electrical engineering
Electronics, sensors and digital hardware
Science & Technology
energy management system
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Islam, M; Yang, F; Ekanayek, C; Amin, M, Grid power fluctuation reduction by fuzzy control based energy management system in residential microgrids, International Transactions on Electrical Energy Systems, 2019, 29 (3), pp. e2758:1-e2758:14
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