Power Management and Control of Smart Microgrid Including Renewable Energy and Energy Storage Systems

Document Type : Original Article

Authors

1 Electrical, Enginereeing, sohag, Egypt

2 electrical, engineering , assuit university , egypt

Abstract

Hybrid AC/DC microgrid is getting common nowadays as a result of increasing DC-compatible loads, renewable energy resources and energy storage systems. The hybrid AC/DC systems with AC and DC loads and energy sources are considered to be the structure of the future smart grids. Strategies of controlling the process of energy conversions and power management are considered from the most critical aspects. The suggested hybrid grid consists of AC loads and wind generator in the AC side and DC loads with energy storage elements and PV generator in the DC side. Bidirectional AC/DC converter is used to link between AC side and DC side to maintain balance and stability of the system under different generation and load conditions. In this paper we present an overview of power management strategy of hybrid AC/DC microgrid with energy storage elements. Control strategy and Maximum power point tracking for the bidirectional converter to maximize power harvesting are also presented. MATLAB/Simulink model for the hybrid microgrid is developed to verify that the proposed model can maintain balance of the system.

Keywords

Sohag Engineering Journal
Volume 1, Issue 2
September 2021
Pages 44-58

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