Search Results - "Filho, E.R."

Comprehensive Approach to Modeling and Simulation of Photovoltaic Arrays by Villalva, M.G., Gazoli, J.R., Filho, E.R.

“…This paper proposes a method of modeling and simulation of photovoltaic arrays. The main objective is to find the parameters of the nonlinear I-V equation by…”
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Evaluation of Electrical Properties of Lap Joints for BSCCO and YBCO Tapes by Baldan, C.A., Oliveira, U.R., Shigue, C.Y., Filho, E.R.

“…The joint process between tapes of coated conductors is a critical issue for the most of the applications of high temperature superconductors (HTS). Using…”
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Evaluation of the mineral profile of textile materials using inductively coupled plasma optical emission spectrometry and chemometrics by Menezes, E.A., Carapelli, R., Bianchi, S.R., Souza, S.N.P., Matos, W.O., Pereira-Filho, E.R., Nogueira, A.R.A.

“…The content of Al, Ba, Ca, Cr, Cu, Fe, Ni, P, Zn, Cd and Pb was determined in textile material samples after microwave-assisted decomposition in a cavity oven…”
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Fault Current Limiter Using YBCO Coated Conductor-The Limiting Factor and Its Recovery Time by Baldan, C.A., Lamas, J.S., Shigue, C.Y., Filho, E.R.

“…A fault current limiter (FCL) based on an arrangement of parallel connected high temperature superconducting tapes constituting a limiter element was designed…”
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Improving the signal data acquisition in condition monitoring of electrical machines by Costa, F.F., de Almeida, L.A.L., Naidu, S.R., Braga-Filho, E.R.

“…The occurrence of a broken bar in induction machines causes an internal magnetic imbalance, which is reflected in the stator current. This effect may be…”
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Analysis of the E-J Curve of HTS Tapes Under DC and AC Magnetic Fields at 77 K by Shigue, C.Y., da Cruz, T.T., Lamas, J.S., Baldan, C.A., Filho, E.R.

“…The evaluation of the electrical characteristics of technical HTS tapes are of the key importance in determining the design and operational features of…”
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Test Results of a Superconducting Fault Current Limiter Using YBCO Coated Conductor by Baldan, C.A., Shigue, C.Y., Lamas, J.S., Filho, E.R.

“…A single-phase superconducting fault current limiter (SFCL) using a 0.9 m length of YBCO coated conductor (CC) tape was tested in 220 V-60 Hz line for fault…”
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Determination of cadmium and lead at low levels by using preconcentration at fullerene coupled to thermospray flame furnace atomic absorption spectrometry by Pereira, M.G., Pereira-Filho, E.R., Berndt, H., Arruda, M.A.Z.

“…A new and sensitive method for Cd and Pb determinations, based on the coupling of thermospray flame furnace atomic absorption spectrometry and a…”
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Non-invasive ECG recording and QT interval correction assessment in anesthetized rats and mice by Botelho, Ana F.M., Joviano-Santos, Julliane V., Santos-Miranda, Artur, Menezes-Filho, José E.R., Soto-Blanco, Benito, Cruz, Jáder S., Guatimosim, Cristina, Melo, Marília M.

“…Rats and mice are the most common species used in experimental cardiac electrophysiology studies. Electrocardiogram (ECG) recording shows paramount importance…”
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Test Results of a Superconducting FCL Using Bifilar Coil of BSCCO-2212 by Baldan, C.A., Shigue, C.Y., Figueira, D.S.S., Filho, E.R., Freitas, R.C.

“…A single-phase superconducting Fault Current Limiter using a bifilar coil of BSCCO-2212 tube was tested in 220 V-60 Hz line during fault current between 1 kA…”
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Rapid detection and quantification of milk adulteration using infrared microspectroscopy and chemometrics analysis by Santos, P.M., Pereira-Filho, E.R., Rodriguez-Saona, L.E.

“…► Milk was adulterated with five different adulterants in five levels. ► MIR spectra exhibited specific bands for each adulterant. ► SIMCA models allowing…”
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Critical Current Degradation of Bi-2223 Composite Tapes Induced byCyclic Deformation and Fatigue-Related Effects by Shigue, C.Y., Baldan, C.A., Oliveira, U.R., Carvalho, F.J.H., Filho, E.R.

“…Application of high temperature superconductor Bi 2 Sr 2 Ca 2 Cu 3 O x (Bi-2223) compound embedded in an Ag matrix requires the knowledge of critical current…”
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Effect of combined bending strain and thermal cycling on the voltage-current characteristic curves of Bi-2223 tapes by Shigue, C.Y., Baldan, C.A., Oliveira, U.R., Carvalho, F.J.H., Filho, E.R.

“…High critical temperature superconductors are evolving from a scientific research subject into large-scale application devices. In order to meet this…”
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Fast single layer cylindrical and helicoidal coil with voids between turns electromagnetic field calculation to be used in superconducting current limiter simulator for design purpose by Baldan, C.A., Freitas, R.C., Homrich, R.P., Pinatti, D.G., Filho, E.R., Shigue, C.Y.

“…This paper presents a mathematical method to quickly calculate the flux density vector B produced by the current circulating in a resistive single-phase…”
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Single-phase resistive superconductor electrical current limiter by Homrich, R.P., Filho, E.R., Pinatti, D.G., Baldan, C.A., Shigue, C.Y.

“…This paper presents the analysis, design, construction and AC test results of low voltage single-phase resistive superconductor electrical current limiters…”
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Development of a new epoxy resin for superconducting magnet impregnation by Baldan, C.A., Shigue, C.Y., Filho, E.R.

“…A novel epoxy resin system based on a low viscosity Bisphenol-A (DGEBA)/Bisphenol-F (DGEBF) blend has been investigated for use in tight-wound superconducting…”
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Qualitative and Quantitative Analysis of Soils Using Laser-Induced Breakdown Spectroscopy and Chemometrics Tools by Costa, V. C., dos Santos Ferreira, S., Santos, L. N., Sperança, M. A., da Silva, C. Santos, Sodré, G. A., Pereira-Filho, E. R.

“…In the present work a method was proposed for the direct determination of Ca, Fe, K, and Mg and qualitative analysis of anthropized and cabruca soil samples…”
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Diametral tensile strength and Vickers hardness of a composite after storage in different solutions by Medeiros, Igor S., Gomes, Maurício N., Loguercio, Alessandro D., Filho, Leonardo E. R.

“…This study evaluated the Vickers hardness (VHN) and diametral tensile strength (DTS) of the composite Z100 (3M ESPE) cured with: Quartz-Tungsten-Halogen light…”
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Modeling and circuit-based simulation of photovoltaic arrays by Villalva, M.G., Gazoli, J.R., Filho, E.R.

“…This paper presents an easy and accurate method of modeling photovoltaic arrays. The method is used to obtain the parameters of the array model using…”
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Inhibition of Photophosphorylation and Electron Transport Chain in Thylakoids by Lasiodiplodin, a Natural Product from Botryosphaeria rhodina by Veiga, Thiago A. M., Silva, Sebastião C., Francisco, Archundia-Camacho, Filho, Edson R., Vieira, Paulo C., Fernandes, João B., Silva, Maria F. G. F., Müller, Manfred W., Lotina-Hennsen, Blas

“…Four natural products were isolated from the fungus Botryosphaeria rhodina, and their effects on photosynthesis were tested. Only lasiodiplodin (1) inhibited…”
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