Search Results - "Vieira, J. C. M."

Analytical tools to assess the voltage stability of induction-based distributed generators by Grilo, A.P., Meira, P.C.M., Vieira, J.C.M., Freitas, W., Bansal, R.C.

“…► A method is presented to analyse the steady-state behaviour of induction generators. ► The method can be used to identify voltage stability issues of…”
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Enhanced voltage relay for AC microgrid protection by Santos, G.P., Tsutsumi, A., Vieira, J.C.M.

“…•Voltage relays showed high dependability and are promising for microgrid protection.•The enhanced method efficiently improved the reliability of voltage-based…”
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Design of protection schemes for multi-terminal HVDC systems by Blond, S. Le, Bertho, R., Coury, D.V., Vieira, J.C.M.

“…Multi-terminal HVDC is an important new technology for bulk power transfer from large sources of remote renewables to large load centers. Recently MTDC grids…”
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High Impedance Fault detection based on harmonic energy variation via S-transform by Lopes, G.N., Menezes, T.S., Santos, G.G., Trondoli, L.H.P.C., Vieira, J.C.M.

“…Successfully detecting High Impedance Faults (HIFs) is a challenge for distribution systems’ protection specialists due to the random behavior and low…”
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Reliable high impedance fault detection method based on the roughness of the neutral current in active distribution systems by Lopes, G.N., Menezes, T.S., Vieira, J.C.M.

“…Detecting High Impedance Faults (HIFs) in Distribution Systems (DSs) still requires effective solutions. HIFs can cause damage, such as shock hazards and…”
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Analysis of the global second-order effects on irregular reinforced concrete structures using the natural period of vibration by LEITÃO, F. F., SIQUEIRA, G. H., VIEIRA JR, L. C. M., ALMEIDA, S. J. C.

“…Abstract The χT parameter, a simplified method recently presented, allows to estimate the global second-order effects on reinforced concrete frames using the…”
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A new artificial neural network based method for islanding detection of distributed generators by Merlin, V.L., Santos, R.C., Grilo, A.P., Vieira, J.C.M., Coury, D.V., Oleskovicz, M.

“…•This paper presents an artificial neural network based method for islanding detection.•The algorithm depends only on the voltage samples measured at the DG…”
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Configurable stochastic model for high impedance faults simulations in electrical distribution systems by Trondoli, L.H.P.C., Lopes, G.N., Vieira, J.C.M.

“…•This paper proposes a fully configurable new high impedance fault model.•The proposed model generates random signals, keeping the HIF characteristics.•It…”
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Power Quality Monitor Allocation Based on Singular Value Decomposition and Genetic Algorithm by Breda, J. F. D., Vieira, J. C. M., Oleskovicz, M.

“…This paper proposed a novel method for allocating power quality meters with the main objective of ensuring a completely observable power distribution system…”
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Utility Harmonic Impedance Measurement Based on Data Selection by Jin Hui, Freitas, W., Vieira, J. C. M., Honggeng Yang, Yamei Liu

“…Determination of the utility harmonic impedance based on measurements is a significant task for utility power-quality improvement and management. Compared to…”
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Investigation on Voltage Sags Caused by DG Anti-Islanding Protection by Trindade, F. C. L., do Nascimento, Klaus V., Vieira, J. C. M.

“…This paper investigates the voltage sag caused by distributed generation anti-islanding protection. This is a new power-quality concern associated with…”
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Comparative analysis between synchronous and induction machines for distributed generation applications by Freitas, W., Vieira, J.C.M., Morelato, A., da Silva, L.C.P., da Costa, V.F., Lemos, F.A.B.

“…This paper presents a detailed comparative analysis between synchronous and induction machines for distributed generation applications. The impacts of these…”
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Nondetection Index of Anti-Islanding Passive Protection of Synchronous Distributed Generators by Salles, D., Freitas, W., Vieira, J. C. M., Xu, W.

“…Synchronous distributed generators are prone to operate islanded after contingencies, which is usually not allowed due to safety and power-quality issues…”
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Experimental Platform for Controlled Faults on Synchronous Generator Armature Windings by Monaro, R. M., Vieira, J. C. M., Coury, D. V., Malik, O. P.

“…An experimental platform that allows application of internal faults on the armature windings of a specially modified synchronous generator in a controlled…”
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Influence of excitation system control modes on the allowable penetration level of distributed synchronous generators by Freitas, W., Vieira, J.C.M., Morelato, A., Xu, W.

“…This paper investigates the impacts of different excitation system control modes on potential factors that can limit the maximum allowable number of…”
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Modeling and simulation of surge arresters for lightning protection of distribution systems by Ayres de Araujo, Marcel, Andrade Flauzino, Rogerio, de Cillo Moro, Vinicius, de Melo Vieira Jr, Jose Carlos

“…Overvoltage protection systems are necessary to protect power system components against several types of overvoltages. In this paper, protection against…”
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Voltage elevation analysis of overhead distribution lines using the finite element method by de Oliveira, P. S., Biasotto, E., Lima, M. A. A., Vieira, J. C. M., Oleskovicz, M., Coury, D. V., Suzuki, M., Miranda, S. A. N., Querne, H. F. R.

“…This paper presents a methodological analysis to increase the power transfer capability of an overhead distribution line, by changing the rated voltage from…”
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Optimized power quality monitor placement based on a Particle Swarm Optimization algorithm by Bertho, R., Kempner, T. R., Vieira, J. C. M., Oleskovicz, M., Coury, D. V.

“…The growing interest in the electricity industry regarding power quality has generated a high demand of network data to define the network status and points…”
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A methodology for training artificial neural networks for islanding detection of distributed generators by Merlin, V. L., Santos, R. C., Pavani, A. P. G., Coury, D. V., Oleskovicz, M., Vieira, J. C. M.

“…The anti-islanding protection of synchronous generators is typically performed by voltage and frequency relays. However, one of the main issues related to…”
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