Search Results - "Pontes, Ricardo S. T."

Technical and Economic Evaluation of Efficiency Improvement after Rewinding in Low-Power Induction Motors: A Brazilian Case by Aguiar, Victor, Pontes, Ricardo, Ferreira, Fernando

“…Nowadays the economic analysis of an induction motor’s life cycle is the clearest way to measure the viability of actions to promote energy-efficient…”
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Analysis of the Incidence of Direct Lightning over a HVDC Transmission Line through EFD Model by Rodrigues, Ednardo, Pontes, Ricardo, Bandeira, João, Aguiar, Victor

“…HVDC systems are becoming more common worldwide, specially in Brazil, since the adoption of such system for Itaipu’s hydroelectric complex in the 1980’s…”
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Design and Control of a Three-Coil Permanent Magnet Spherical Motor by Souza, Kleymilson, Pontes, Ricardo, Oliveira, Andressa, Barreto, Guilherme

“…The permanent magnet (PM) spherical motor has been subject to growing interest from the scientific community due to its potential for applications in distinct…”
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Techno-Economic Assessment of Retrofitting Line-Operated Induction Motors With an Optimized Rewinding Under Partial Load Conditions by Aguiar, Victor P. B., Pontes, Ricardo S. T., Ferreira, Fernando J. T. E.

“…Squirrel-cage induction motors (SCIMs) manufactured before adoption IE1 class or even after, which have been in operation for a minimum of 10 years within the…”
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Efficiency of the air-termination system of a power transmission line by Electric Field Deflection and fractional Brownian motion model by Rodrigues, Ednardo M., Neto, Tobias R. Fernandes, Carmona, Humberto de A., Pontes, Ricardo S.T.

“…•The classical lightning incidence models do not take into account the variations of air.•The EFD-fBm model is take into account the variations of…”
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Economic Analysis of Retrofitting Electric Motors with a Rewinding Process to Partial Loads by Aguiar, Victor P. B., Nascimento, Fabio, Pontes, Ricardo S. T., Correia, Wilkley B., Ferreira, Fernando J. T. E.

“…Replacement of electric motors "before the standard efficiency" or "standard efficiency" type by brand new ones of superior efficiency is a profitable energy…”
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Avaliação do Valor Residual, Economia Líquida e Tempo de Estudo na Substituição de Motores Industriais by Nogueira, Antonio J., Aguiar, Victor P. B., De S. E Silva, Rogerio D., Costa, Marcus V. S., Pontes, Ricardo S. T., De Moura, Adriano A. F., Fortes, Elenilson V.

“…A crescente preocupação com as alterações climáticas devido às emissões de gases de efeito estufa (GEE) tem fundamentado esforços globais para redução. As…”
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Techno Economic Assessment of IE3 Electric Motors in the Medium Size Brazilian Industry by Goncalves, Adriano, Aguiar, Victor, De Moura, Adriano, Pontes, Ricardo, Correia, Wilkley

“…Searching for better efficient energy consumption, actions aimed at induction motors replacement have been consolidated as one of the main investments toward…”
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Comparison of FEA field models combined with analytical method to determine the performance characteristics of high efficiency induction motors by Aguiar, Victor P. B., Pontes, Ricardo S. T., Fernandes Neto, Tobias R., Souza, Kleymilson N.

“…This paper proposes a comparison among FEA field models combined with analytical model, in order to predict with better accuracy the NEMA/IEC performance…”
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Influência da Pressão de Trabalho na Demanda de Um Sistema de ar Comprimido Levando Em Conta o Tipo de Acionamento by Victor P. B. Aguiar, Ricardo S. T. Pontes, Carlos A. M. de Holanda

“…Os compressores parafuso representam cerca de 50% de todos os compressores atualmente produzidos. Eles têm larga aplicação nas indústrias alimentícia e de…”
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Prediction of core losses on a three-phase transformer using neural networks by Souza, Kleymilson N., Castro, Thiago N., Pereira, Thiago M., Pontes, Ricardo S. T., Braga, Arthur P. S.

“…This work is a study of intelligent tools for forecasting losses in the transformer core, comparing with the traditionally accepted model. The uses of…”
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Influência da Taxa de Escalada da Energia Elétrica na Viabilidade dos Motores Industriais IR3 no Brasil [Not available in English] by Junior, Adriano A. Goncalves, Aguiar, Victor de P. B., de Moura, Adriano A. F., Pontes, Ricardo S. T., Correia, Wilkley B.

“…No English translation of this document was provided by the author or conference organizers…”
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Seasonal rainfall forecast using a Neo-Fuzzy Neuron Model by de Castro, T. N., Souza, F., Alves, J. M. B., Pontes, R. S. T., Firmino, M. B. M., de Pereira, T. M.

“…Knowledge about the seasonal rainfall for some regions of Brazil is essential, due to the dependency of agriculture and for a correct management of water…”
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Overview of Retrofitting Options in Induction Motors to Improve Their Efficiency and Reliability by Ferreira, Fernando J. T. E., Silva, Andre M., Aguiar, Victor P.B., Pontes, Ricardo S. T., Quispe, Enrique C., de Almeida, Anibal T.

“…The global induction motor market is moving fast towards the higher efficiency classes, such as premium efficiency (IE3) and super-premium efficiency (IE4)…”
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Energy efficiency eletric motor systems: Motor replacement analysis - A case study by Caetano, Rebeca G. D., Pontes, Maria G. S. R., Costa, Victor L. L., Pontes, Ricardo S. T., Neto, Clodomir Comaru

“…Energy efficiency aims to reduce the energy consumption and reduce the environmental impact, while not affecting the quality of the final product. It's…”
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Lightning incidence model based on the electric field gradient: 3D electrostatic analyses by Rodrigues, Ednardo M., Pontes, Ricardo S. T., Fernandes Neto, Tobias R.

“…The paper deals with the 3D electrostatic analysis of a lightning strike in a hangar and a power transmission line. The lightning incidence model is based on…”
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Determination of the relative permeability to estimate the efficiency in energy-efficient motors by Aguiar, Victor P. B., Pontes, Ricardo S. T., Fernandes Neto, Tobias R., Sousa, Renan H.

“…This paper proposes an iterative method to calculate the equivalent relative permeability (μ r ) of the motor model with closed rotor slots at frequency…”
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Investigation the design of a RSRM through the analysis of the finite elements with experimental validation by de Oliveira, V. S., Pontes, R. S. T., Oliveira, D. N., de C Almeida, R. N., da Silva, W. A.

“…This work presents a study on the design of a Rotary Switched Reluctance Motor (RSRM) of 1 hp through the 3D finite elements analysis (FEA) concerning static…”
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