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Three-Echelon Power Supply Network Design Considering Energy Storage System to Ensure Network Sustainability
Zohre Farmani, Gholamreza Nasiri, Gholamreza Zandesh,
Volume 34, Issue 3 (9-2023)
Abstract
Today, the use of electrical energy storage has a significant role in flatting the load curve, peak shaving, increasing reliability and also increasing the penetration of distributed generation, reducing carbon emissions, and reducing network losses. In this article, a three-echelon power supply chain is investigated considering energy storage as a new level in the power supply chain. The model in this article is an integrated model of locating and capacity planning of distributed energy storage with the aim of maximizing profit and reliability, which is modeled with two different approaches. The first model is modeled from the point of view of the distribution network as the owner of the energy storage and the second model is modeled from the perspective of the electricity subscribers as the owner of the energy storage. Finally, the model is solved by GAMS software and the results of sensitivity analysis are presented. According to the obtained results, the presented model is the most sensitive to the changes in demand and production, and the owners of energy storage should be sensitive to the changes in production and demand in different seasons of the year in order to get the maximum profit.
 
Development of Solar-Powered Mobile Battery Swap Charging Station (MBSCS) As an Environmentally Friendly Charging Station Alternative
Renny Rochani, Wahyudi Sutopo, Satrio Fachri Chaniago,
Volume 35, Issue 1 (3-2024)
Abstract
Electric motorcycles (EM) are promising solutions for eco-friendly vehicles, but there are some dilemmas caused by the fossil-based energy used for charging and the limited charging infrastructure. This article proposes solving these dilemmas by designing a Solar-Powered Mobile Battery Swap Charging Station (MBSCS) for EM infrastructure. MBSCS will integrate solar power plants as a sustainable energy source and using battery swap system to accommodate EM. Design thinking methodology is used to develop the initial design of MBSCS and technical indicator assessment through focus group discussions with expert panelists. Simulations are conducted using PVSyst software to evaluate various system variants defined according to the selected components. The results of this study provide the MBSCS initial design, technical indicators to assess the MBSCS system, simulation results, and optimal system variant configuration. The findings of this study will mainly contribute to a solution for EM challenges and offer an environmentally friendly charging infrastructure. This study is expected to serve as an alternative solution for future mobile charging stations designed to answer the limited charging infrastructure as well as to demonstrate the potential use of portable solar power plant to overcome dependence on fossil-based energy.

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