Optimal Capacity of Pump Storage System for Standalone Green Microgrid Interconnection with Main Grid in Deregulated Power Sector
DOI:
https://doi.org/10.37591/.v6i2.3246Abstract
The energy crisis requires more generation capability, and is more importance to the storage technologies. To overcome this shortage of energy, pump storage system is used in the power system with great storing capacity up to this time. The isolated or regional grid in remote areas probably depends on renewable power sources such as wind; solar, geothermal, tidal, etc. with its availability is the main power resources. It is quite necessary for improving the operation, stability and economical efficiency of the microgrid grid. Therefore, a certain capacity of pump storage system is required to conduct these operations. In this paper, two case studies have been presented for an isolated microgrid with interconnected to maingrid. Firstly, without storage and secondly with pump storage system. On the basis of these case studies, the optimal capacity of the pump storage system has been determined. The proposed work has been validated by considered 3-microgrid system interconnection with main grid. A new technique like energy storage system is used for a simple, economic, and feasibility evaluation of energy storage facilities in pump storage system. The energy is stored in the form of water potential through pumping using renewable energy sources. The results demonstrated that the optimal capacity of pump storage plant has been determined by calculated surplus power and loss of load in the pump storage system. Keywords: Green energy, concept of microgrid, layout of standalone renewable energy systems, model and mathematical formulation pumped storage system
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