Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Daniel Foito"'
Autor:
Vitor Fernao Pires, Armando Cordeiro, Daniel Foito, Jose Fernando Silva, Enrique Romero-Cadaval
Publikováno v:
IEEE Open Journal of the Industrial Electronics Society, Vol 4, Pp 346-361 (2023)
A new multilevel topology for an open-end winding motor drive is proposed in this article, presenting a similar structure to the cascaded H-bridge multilevel inverter. The proposed topology combines three-phase and single-phase conventional H-bridge
Externí odkaz:
https://doaj.org/article/6e92e2c8c5f94bdea5bd28eb7983eb43
Autor:
Armando Cordeiro, Miguel Chaves, Paulo Gâmboa, Filipe Barata, Pedro Fonte, Hélio Lopes, Vítor Fernão Pires, Daniel Foito, Tito G. Amaral, João Francisco Martins
Publikováno v:
Designs, Vol 7, Iss 2, p 36 (2023)
Solar photovoltaic simulators are valuable tools for the design and evaluation of several components of photovoltaic systems. They can also be used for several purposes, such as educational objectives regarding operation principles, control strategie
Externí odkaz:
https://doaj.org/article/c74451d2ad58407b9f3a436467317aae
Autor:
Vitor Fernão Pires, Daniel Foito, Armando Cordeiro, Tito G. Amaral, Hao Chen, Armando Pires, João F. Martins
Publikováno v:
Designs, Vol 7, Iss 2, p 39 (2023)
Pumping systems play a fundamental role in many applications. One of the applications in which these systems are very important is to pump water. However, in the real world context, the use of renewable energies to supply this kind of system becomes
Externí odkaz:
https://doaj.org/article/c0255a3de75148fbb83843acc18a3d99
Publikováno v:
Designs, Vol 7, Iss 2, p 40 (2023)
Due to the high spread of photovoltaic (PV) systems in the low voltage distribution grids there is a substantial number of requirements for the connection of these systems. Therefore, several tests should be performed before the integration of the PV
Externí odkaz:
https://doaj.org/article/3a06a46f8a9f49d4b5dd0ce54dd1845a
Autor:
Tito G. Amaral, Vitor Fernão Pires, Armando Cordeiro, Daniel Foito, João F. Martins, Julia Yamnenko, Tetyana Tereschenko, Liudmyla Laikova, Ihor Fedin
Publikováno v:
Energies, Vol 16, Iss 6, p 2668 (2023)
This article deals with fault detection and the classification of incipient and intermittent open-transistor faults in grid-connected three-level T-type inverters. Normally, open-transistor detection algorithms are developed for permanent faults. Nev
Externí odkaz:
https://doaj.org/article/91d259812f414cc8a338c30c7ac16c3a
Publikováno v:
IEEE Access, Vol 9, Pp 157124-157133 (2021)
This paper introduces a new topology for a DC-DC converter with bipolar output and high voltage gain. The topology was designed with the aim to use only one active power switch. Besides the bipolar multiport output and high voltage gain this converte
Externí odkaz:
https://doaj.org/article/9d027ab88d904a91a2d765405e7e165f
Publikováno v:
IEEE Access, Vol 8, Pp 21917-21931 (2020)
Reliability in the electrical drives is becoming an important issue in many applications. In this context, the reliability associated to the switched reluctance machine (SRM) is also an important area of research. One of the major problems, that stro
Externí odkaz:
https://doaj.org/article/65f9290e3dbe4748b7efc2e180f43b27
Publikováno v:
Energies, Vol 16, Iss 3, p 1218 (2023)
This paper focuses on the purpose to see if it is possible to increase the earnings associated to the installation of PV systems in people’s homes. In accordance with this, a different way of thinking was adopted, namely the investment in batteries
Externí odkaz:
https://doaj.org/article/a71b328fa76f4913ad4777a6b2d30e3e
Publikováno v:
Machines, Vol 10, Iss 1, p 35 (2022)
The switched reluctance machine (SRM) is one of the most interesting machines, being adopted for many applications. However, this machine requires a power electronic converter that usually is the most fragile element of the system. Thus, in order to
Externí odkaz:
https://doaj.org/article/d46f353a856646dfb86e76c9fa16b39a
Publikováno v:
Energies, Vol 15, Iss 3, p 720 (2022)
This paper presents a pumping system supplied by a PV generator that is based on a switched reluctance machine (SRM). Water pumping systems are fundamental in many applications. Most of them can be used only during the day; therefore, they are highly
Externí odkaz:
https://doaj.org/article/5f687c752d584fb8bee848914462b327