14 hasil untuk "Welson Bassi"
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Development of a Comprehensive Comparison Software for Automated Decision-Making in Impulse Testing of Power Transformers, Including a Review of Practices from Analog to Digital
Power transformers are fundamental components in electrical grids, requiring robust insulation to operate reliably under various abnormal conditions, including overvoltages caused by lightning or switching. As defined by existing standards, the Basic Insulation Level (BIL) or Switching Insulation…
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Power-Flow Simulations for Integrating Renewable Distributed Generation from Biogas, Photovoltaic, and Small Wind Sources on an Underground Distribution Feeder
The rapid expansion of distributed generation leads to the integration of an increasing number of energy generation sources. However, integrating these sources into electrical distribution networks presents specific challenges to ensure that the distribution networks can effectively accommodate the…
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Hosting Capacity Estimate Based on Photovoltaic Distributed Generation Deployment: A Case Study in a Campus of the University of São Paulo
Distributed generation, which is mainly deployed with PV systems that benefit economically prosumers, has soared in use in Brazil. Despite this, PV capacity in excess may cause technical issues which concern planning engineers who have adopted rules of thumb to screen interconnection requests…
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Dataset on SCADA Data of an Urban Small Wind Turbine Operation in São Paulo, Brazil
Small wind turbines (SWTs) represent an opportunity to promote energy generation technologies from low-carbon renewable sources in cities. Tall buildings are inherently suitable for placing SWTs in urban environments. Thus, the Institute of Energy and Environment of the University of São Paulo…
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Artikel Jurnal Teks lengkap
Implantation, Operation Data and Performance Assessment of An Urban Area Grid-Connected Small Wind Turbine
Over the last few decades, and more prominently currently, many countries have launched and reinforced campaigns to reduce CO2 emissions from all human activities and, in the area of energy, promote energy generating technologies from low carbon, renewable sources, especially wind and solar. In…
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Biodegradable graphite-reinforced composites for energy efficiency and renewable energy storage applications
The demand for sustainable solutions in energy efficiency and renewable energy systems continues to grow as environmental and climate concerns intensify. Materials that can support low-carbon technologies and improve thermal management are essential for advancing clean energy and smart…
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Nuclear Power Plants as Equivalents of Hydroelectric Reservoirs and Providers of Grid Stability: The Case of the Brazilian Electrical System
In the current configuration of Brazil’s hydro-thermal-wind power system, hydroelectric reservoirs have progressively lost their long-term regulatory role due to inadequate planning, inefficient energy use, and reduced inflows. In the context of the energy transition and the incorporation of…
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Study of Transformer Insulation Life Under Distributed Generation Insertion and Harmonic Distortions: Technical, Economic, and Environmental Assessment
This study investigates transformer insulation life (TIL) under distributed generation (DG) insertion and harmonic distortion, particularly photovoltaic (PV) systems, considering technical, economic, and environmental dimensions. While DG can reduce transformer loading, inverter-based generation…
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Exergy-Based Assessment of Green Hydrogen Production for Rational Energy Use in Brazil
The growing global demand for electrical energy and the necessity for decarbonization highlight the importance of assessing the rational use of renewable resources and energy. Thus, this study examined the energy and exergy performance of two offshore wind energy destinations and conversions in…
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Advanced epoxy composites for tribological Applications: Investigating the role of hybrid ceramic and lubricant fillers
Epoxy resins are widely employed in structural and industrial applications due to their high strength and chemical resistance, but their poor tribological performance under dynamic loading conditions limits their use in high-friction environments. Enhancing these properties through the use of…
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Lightning Surge Evaluation Protection for a Residential Electric Vehicle Charging Station Due to Direct Strikes on an Overhead Distribution System
The rapid expansion of electric vehicle (EV) usage underscores the need for robust and resilient charging infrastructure, particularly in residential environments. As electronics-based systems, these installations are highly susceptible to transient overvoltages from direct lightning strikes, which…
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Who Should Own the Residual Rights over Distributed Resources?
Residual rights are the right to choose asset uses not specified in the contract. They are essential in situations of uncertainty. The current energy transition presents a greater variety of assets. Moreover, it is impossible to anticipate all relevant states that the assets and the environment can…
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Energy Efficiency and International Regulation of Single-Phase Induction Motors: Evidence from Tests in the Brazilian Market
Single-phase induction motors account for a significant share of energy consumption in residential, commercial, and rural applications. However, unlike three-phase motors, they still lack specific regulation in Brazil. This paper aims to identify the main construction types of these motors and…
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Artikel Jurnal Teks lengkap
Exploiting the Feature Space Structures of KNN and OPF Algorithms for Identification of Incipient Faults in Power Transformers
Power transformers represent critical assets within the electrical power system, and their unexpected failures may result in substantial financial losses for both utilities and consumers. Dissolved Gas Analysis (DGA) is a well-established diagnostic method extensively employed to detect incipient…