Abstract
A microgrid is a group of distributed energy resources and interconnected loads that may be operated either in isolated mode or connected mode with the main utility within electrical boundaries. Microgrids may consist of different types of renewable energy resources such as photovoltaic panels, wind turbines, fuel cells, micro turbines, and storage units. It is highly recommended to manage the dependency on these resources by implementing an energy management unit to optimize the energy exchange so that the minimum cost is achieved. In this paper, an energy management system based on the grasshopper optimization algorithm (GOA) is proposed to determine the optimal power generated by the distributed generators in the microgrid which is required to minimize the total generation cost. The proposed unit is applied to a microgrid that consists of five generating units feeding residential, commercial, and industrial loads, and results are compared to other available research in literature to validate the proposed algorithm.
Highlights
The energy resources that are capable of being renewed have been effectively used in the generation of electricity such as the energy that comes from the sun, the offshore wind, biomass, geothermal, etc
Two scenarios were considered in this work
In the first scenario considered, all the distributed generation (DG) units, storage devices, and the utility operated within their limits except the renewable DG units which generated their maximum power
Summary
The energy resources that are capable of being renewed have been effectively used in the generation of electricity such as the energy that comes from the sun, the offshore wind, biomass, geothermal, etc. This is a result of the several issues that have an impact on the generation of electricity all over the world in the guise of increasing daily dissipation, causing decrease in the dependence on of the conventional resources of energy, and environmental issues based on them. Microgrid have been increased all over the world as it could be one of the answers to our energy crisis. A high value and trusted energy supply can be provided by microgrids to critical loads
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