[EN] Currently in three-phase distribution networks, especially low-voltage networks, there are some inefficient powers. These are defined as reactive power, unbalanced power owing to linear loads, power owing to supply ...
[EN] Operation of doubly fed induction generators subjected to transient unbalanced voltage dips is analyzed in this article to verify the fulfillment of the Spanish grid code. Akagi's p-q theory is not used for this study, ...
Blasco Espinosa, Pedro Angel; Montoya-Mira, Rafael; Diez-Aznar, José-Manuel; Montoya Villena, Rafael; Reig-Pérez, Miguel Jorge(MDPI AG, 2019-12-21)
[EN] The compensation of an electrical system from passive compensators mainly focuses on linear systems where the consumption of charges does not vary significantly over time. In three-phase three-wire systems, when the ...
Troviano, M.; Piris-Botalla, L. E.; Oggier, G.G.(Universitat Politècnica de València, 2021-09-30)
[EN] The isolated three-port DC-DC converter is of interest for hybrid energy storage systems due to its advantages of the bidirectional power flow control, step-up and step-down the voltage, and the operation under ...
Larrosa López, Luis(Universitat Politècnica de València, 2022-10-06)
[EN] Renewable-based Hybrid Power Plants (HPP) present several advantages in front of
stand-alone power plants, such as higher capacity factor, better use of the transmission
and/or distribution networks or enhancement ...
[EN] Compensation of reactive power is necessary in power systems due to economical, energetic, and environmental reasons. Reactive power increases energy power losses and carbon dioxide emissions in distribution lines and ...
Antonino Daviu, José Alfonso(Universitat Politècnica de València, 2013-07-15)
In this work, a basic introduction to the reactive power compensation has been presented. First, the most important problems caused by the generation, transmission and distribution of reactive power are explained. Then, ...
Miranda, Homero; Cárdenas, Víctor; Palacios, Elvia(Universitat Politècnica de València, 2008-07-09)
[EN] An alternative to regulate the DC bus capacitors voltage from shunt active power filter is presented in this paper. The power stage of shunt active power filter is a cascaded five-level inverter. This multilevel ...
Montoya-Mira, Rafael; Blasco Espinosa, Pedro Angel; Diez-Aznar, José-Manuel; Montoya Villena, Rafael; Reig-Pérez, Miguel Jorge(MDPI AG, 2020-03)
[EN] In an unbalanced linear three-phase electrical system, there are inefficient powers that increase the apparent power supplied by the network, line losses, machine malfunctions, etc. These inefficiencies are mainly due ...