Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Leonardo Gobel Fernandes"'
Autor:
Andressa Carolinne del Monego, Leonardo Gobel Fernandes, Jhonatan A. Pontes, Daniel Flores Cortez, Alceu Andre Badin
Publikováno v:
IEEE Access, Vol 12, Pp 143572-143584 (2024)
While three-phase six-switch rectifiers are typically used in power conversion systems, this paper explores the potential of three-phase four-switch (TPFS) rectifiers for wind energy systems. Current advancements in TPFS rectifiers aim to enhance sys
Externí odkaz:
https://doaj.org/article/7e3e8c2942024d8a827a456cfbf17827
Autor:
Alceu Andre Badin, Leonardo Gobel Fernandes, Roger Gules, Amauri Amorin Assef, Eduardo Felix Ribeiro Romaneli, Daniel Flores Cortez
Publikováno v:
IEEE Transactions on Industrial Electronics. 68:2173-2183
A single-phase transformerless online uninterruptible power supply (UPS) is proposed in this article. This UPS is based on the new half-bridge doubler-boost with switched-capacitor operation. It is capable of operating with ac and dc input sources. T
Publikováno v:
2018 13th IEEE International Conference on Industry Applications (INDUSCON).
This paper presents a single-phase DC-DC Boost converter where the switched-capacitor technique was applied. The proposed converter has a middle point in DC-link. This characteristic allows input and output terminals to be at the same reference. DC-l
Autor:
Roger Gules, Leonardo Gobel Fernandes, Victor Habermann Avila, Eduardo Felix Ribeiro Romaneli
Publikováno v:
2018 13th IEEE International Conference on Industry Applications (INDUSCON).
This paper presents a half-bridge doubler boost rectifier which is used as a pre-regulator for a non-isolated high-frequency UPS. PWM modulation for a bridgeless boost is applied to produce a high-quality, high power factor input current. The connect
Autor:
Roger Gules, Juliano Luiz dos Santos de Morais, Julio Cezar dos Santos de Morais, Leonardo Gobel Fernandes
Publikováno v:
2017 Brazilian Power Electronics Conference (COBEP).
In photovoltaic (PV) systems, high step-up dc-dc converters are required to manage the power flow. Since the output voltage of photovoltaic source is lower than the grid voltage level, dc-dc converters with high voltage gain are the solution in trans
Publikováno v:
2017 Brazilian Power Electronics Conference (COBEP).
In this paper is presented the implementation of a compact FPGA-based single-phase cascaded H-bridge multilevel inverter suitable for teaching and research activities. The softwares Matlab/Simulink and Quartus II were used to describe and simulate th
Publikováno v:
2016 12th IEEE International Conference on Industry Applications (INDUSCON).
This paper presents a voltage doubler AC-DC converter to be applied in UPS. It is capable of operation with AC and DC Input source. The proposed rectifler provides high power factor and improves power efficiency for line voltage applications. The con
Autor:
Andreas Anael Pereira Gomes, Francisco Itamarati Secolo Ganacim, Fabiano Gustavo Silveira Magrin, Nara Bobko, Leonardo Göbel Fernandes, Anselmo Pombeiro, Eduardo Félix Ribeiro Romaneli
Publikováno v:
Data, Vol 8, Iss 7, p 118 (2023)
The lack of annotated semantic segmentation datasets for electrical substations in the literature poses a significant problem for machine learning tasks; before training a model, a dataset is needed. This paper presents a new dataset of electric subs
Externí odkaz:
https://doaj.org/article/18ae96f904b245da9a7ec08fdb21b263
Autor:
Osni Silva Junior, Jose Carlos Pereira Coninck, Fabiano Gustavo Silveira Magrin, Francisco Itamarati Secolo Ganacim, Anselmo Pombeiro, Leonardo Göbel Fernandes, Eduardo Félix Ribeiro Romaneli
Publikováno v:
Energies, Vol 16, Iss 11, p 4295 (2023)
Infrared thermography is a predictive maintenance tool used in substations to identify a disturbance in electrical equipment that could lead to poor operation and potential failure in the future. According to Joule’s law, the temperature of electri
Externí odkaz:
https://doaj.org/article/3ed99c567e394d8fb3b3bdcc2db7cd9e
Autor:
Renan de Oliveira Alves Takeuchi, Leandra Ulbricht, Fabiano Gustavo Silveira Magrin, Francisco Itamarati Secolo Ganacim, Leonardo Göbel Fernandes, Eduardo Félix Ribeiro Romaneli, Jair Urbanetz Junior
Publikováno v:
Energies, Vol 15, Iss 20, p 7477 (2022)
The variation in the thermal state of electrical energy substation equipment is normally associated with natural wear or equipment failure. This can be detected by infrared thermography, but technically it demands a long time to analyze these images.
Externí odkaz:
https://doaj.org/article/c13f3845614f4a44b13669b6a52e1b71