Electrotechnique
Prediction of Lifetime System Electric Performances Based on Battery Corrosion Effects Included in a Stand Alone Hybrid System- a Case Stud
The ideal system type of this paper work demonstrates that wind power does make sense in situations with high wind speeds and high gasoline prices. The suggested hybrid power system prevented 16.26 t/y of CO2 gas from being added to the village's local environment and saved 6176.15 liters of fossil fuel per year. Aluminum is prone to pitting corrosion and copper to environmentally aided cracking, which are the two main current-collector materials used in lithium-ion batteries. In the other hand. The corrosion process that happens at the interface between the active material and grid material of the positive plate of the lead-acid battery storage is discussed in this paper's technical performance implications. The system is modelled for each time step for each year of the project's 20-year lifespan. In order to discover the ideal system architecture, we first ran the model without Multi-Year and utilized the Optimizer. This study's objective is to carry out technical and financial optimization throughout the energy system's lifespan while taking into consideration the mixed storage system's corrosion-related deterioration as a key parameter. The best cost study for the HRES is completed with the assistance of the HOMER Pro MATLAB Link. Voir les détails
Mots clés : Battery, corrosion, Multi-year planning, planning optimization
Multiyear Load Growth Based TechnoFinancial Li-ion Discharge and Corrosion Behaviors in a Microgrid Located in Algeria
The primary current-collector materials used in lithium-ion cells, aluminum and copper, are both susceptible to environmental degradation. Localized corrosion occurred on bare aluminum electrodes during simulated ambient-temperature cycling in an excess of electrolyte. The highly oxidizing potential associated with the positive electrode charge condition was the most important factor. In contrast to typical aqueous electrolyte pitting, each site was filled with a mixed metal/metal-oxide product, forming surface mounds or nodules. The status quo for relaying such confidence is economic and technical planning models, which are used to design microgrids and distributed energy resources DER. Long-term DER investments and short-term DER dispatch are typically determined by these models. This paper investigates the optimal cost analysis of a hybrid (photovoltaic-diesel) renewable energy system (HRES) in the Adrar region based on the Total Net Present Cost (TNPC). The Hybrid Optimization Model for Electric Renewable is used to perform the optimal cost analysis of HRES. Furthermore, the system is simulated for each time step for each year of the project's 20-year lifespan. The trade-off for this model, which captures battery storage levels from year to year, photovoltaic performance degradation, and diesel cost escalation above the inflation rate, is that the model is more precise, but the calculation takes longer. To begin, we ran the model without Multi-Year and used the Optimizer to find the best system design. The optimal system for the single-year model includes a Danvest generator with 760 kW, 200 kWh of recommended Li-ion storage, and a slightly lower COE of $0.309/kWh. Various scenarios have been simulated, taking into account variations in the power production of the gasified biomass generator, and various solutions to ensure the balance generation/consumption have been analyzed. Voir les détails
Mots clés : corrosion, Diesel, Financial planning optimization, Hybrid energy system (HES), Li-ion battery, Multi-year planning, Microgrid, Photovoltaic, Technical planning optimization, total net present cost