Search Results - "Jardini, J. A."

Distribution transformer loading evaluation based on load profiles measurements by Jardini, J.A., Tahan, C.M.V., Ahn, S.U., Ferrari, E.L.

“…This paper presents a methodology for residential distribution transformer loading evaluation. The transformer daily load profiles are applied to determine the…”
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Daily load profiles for residential, commercial and industrial low voltage consumers by Jardini, J.A., Tahan, C.M.V., Gouvea, M.R., Ahn, S.U., Figueiredo, F.M.

“…This paper presents the results of the study carried out for the determination of the residential, commercial and industrial consumers daily load curves based…”
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Distribution Transformer Losses Evaluation: A New Analytical Methodology and Artificial Neural Network Approach by Leal, A.G., Jardini, J.A., Magrini, L.C., Se Un Ahn

“…The aim of this paper is to propose an analytical methodology and discuss some alternatives of artificial neural network models in order to evaluate losses in…”
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Hydro generator efficiency assessment using infrared thermal imaging techniques by Bortoni, E C, Siniscalchi, R T, Jardini, J A

“…Calorimetric method has for a long time been applied for energy conversion efficiency measurement in electrical machines. The number of temperature sensors…”
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Identiffication of Synchronous Machine Parameters Using Load Rejection Test Data by Bortoni, E. C., Jardini, J. A.

“…This work shows a computational methodology for the determination of synchronous machines parameters using load rejection test data. By machine modeling one…”
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A New Approach to Remuneration of Ancillary Services Provided by Generation Agents in Brazil by Sousa, T, Tahan, C M V, Jardini, J A, Rosa, J A O, Feltrin, A P, Manso, J C G

“…The restructuring of electrical sector based on the market resulted in the separation of generation, transmission and distribution agents and in the operation…”
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Brazilian Energy Crisis by Jardini, J. A., Ramos, D. S., Martini, J. S. C., Reis, L. B., Tahan, C. M. A.

“…With deregulation and the privatization processes in progress, there were high expectations that the private sector would invest in generation and…”
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Power transformer temperature evaluation for overloading conditions by Jardini, J.A., Brittes, J.L.P., Magrini, L.C., Bini, M.A., Yasuoka, J.

“…The calculation methodologies of transformers' hottest spot and top oil temperatures are evaluated in this paper. Thereafter, a comparison between the…”
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Distribution transformer loss of life evaluation: a novel approach based on daily load profiles by Jardini, J.A., Schmidt, H.P., Tahan, C.M.V., De Oliveira, C.C.B., Ahn, S.U.

“…This work presents a methodology for distribution transformer rating selection and management. Measured or estimated daily load profiles are used to determine…”
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Tap-off power from a transmission line shield wires to feed small loads by Vasquez-Arnez, R L, Masuda, M, Jardini, J A, Nicodem, E J V

“…In this article, the feasibility to obtain power from the shield wires of a transmission line, as a result of the electromagnetic induction effect, will be…”
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Electrical requirements for half-wavelength power transmission line design by Santos, M L, Jardini, J A, Masuda, M, Nicola, G L C

“…A Half-wavelength line (HWLL) is a specific type of power transmission that operates on AC power and the length of which is close to 2500 km for a 60-Hz…”
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Autonomous System for Interpretation of Measurements Based on Adaptive Device by Nicoli, Sidnei, Antonio Jardini, Jose, Goncalves Lins, Romulo

“…The monitoring and interpretation of electrical signals have been evolving nowadays. In this paper, an autonomous system based on the concepts of adaptivity…”
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In site hydroelectric power plant unit efficiency measurement by Sousa, T, Jardini, J A, de Lima, R A

“…This work presents a methodology developed to measure a hydroelectric power plant unit efficiency in site. The proposed methodology includes various stages,…”
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Determination of Hydro Generator Efficiency Using Infrared Thermal Imaging Techniques by da Costa Bortoni, E., Siniscalchi, R. T., Jardini, J. A.

“…The calorimetric method has for a long time been applied for energy conversion efficiency measurement in electrical machines. The number of temperature sensors…”
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Preventive inspection of line insulators through corona emission: A case study by Vasquez-Arnez, R L, Jardini, M G M, Masuda, M, Carita, L A, Jardini, J A

“…This paper presents the main results regarding the presence of corona on 138 kV lines. Although the study and analysis was mainly focused on the obtention of…”
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"Smartizing" power quality assessment based on IEC smart substation automation by Brittes, J. L. P., Nunes, E., Jardini, J. A., Magrini, L. C., Hokama, W. S., Fernandez Silva, L. G.

“…Power Quality is a multidisciplinary systemic challenge. It involves huge data collection, many utility areas, and many other players outside the utility…”
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Automated Post-Event Analysis of the Protection System in Distribution Substations by Brandao Machado Matsuo, Igor, Jardini, Jose Antonio, Hokama, Wagner Seizo

“…It is important that electrical networks have high levels of reliability in order to maintain the ideal agility and maintenance for better functioning. This…”
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Tap-Off Power From the Overhead Shield Wires of an HV Transmission Line by Leon Vasquez-Arnez, Ricardo, Masuda, M., Jardini, J. A., Kaiser, W., Nicodem, E. J. V.

“…In recent years, there was an increase of ancillary service loads, such as signaling systems, inspection robots, surveillance cameras, and other monitoring…”
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Development of a real-time monitoring system for controlling tensioning guy wires in transmission lines by Mello, J C B, Figueiredo, D O, Jacobsen, R M, Jardini, J A, Santos, J C, Magrini, L C, Jardini, M G M, Masuda, M, Ogiboski, L, Crispino, F, Bizzarria, J W

“…In all transmission lines in Brazil, supervision and monitoring of the towers are made through either regular inspections in the field or the identification of…”
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Feasibility of Electronic Tap-Changing Stabilizers for Medium Voltage Lines-Precedents and New Configurations by Garcia, S.M., Rodriguez, J.C.C., Jardini, J.A., Lopez, J.V., Segura, A.I., Cid, P.M.M.

“…Thyristor-based onload tap-changing AC voltage stabilizers are cheap and robust. They have replaced most mechanical tap-changers in low voltage applications…”
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