BackExaminar Artículos, Comunicaciones, Libros por departamento (eus.) "Ingeniaritza elektrikoa"
Now showing items 41-60 of 91
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Influence of Cryogenic Treatment on Wear Resistance and Microstructure of AISI A8 Tool Steel
Jimbert Lacha, Pedro José
; ; ; Fernández Martínez, Roberto (MDPI, 2018-12)
The effects of deep cryogenic treatment (DCT) on the wear behavior of different tool steels have been widely reported in the scientific literature with uneven results. Some tool steels show a significant improvement in ... -
Influence of the conductor temperature error on the overhead line ampacity monitoring systems
Albizu Flórez, Igor; Fernández Herrero, Elvira ; Mazón Sainz-Maza, Angel Javier ; Bengoechea Aresti, Janire (The Institution of Engineering and Technology, 2011-04)
Many real time overhead line ampacity monitoring systems are based on the calculation of the wind speed. The wind speed is obtained from the conductor temperature. The conductor temperature can be measured directly or it ... -
Joint cost of energy under an optimal economic policy of hybrid power systems subject to uncertainty
; Planas Fullaondo, Estefanía; Andreu Larrañaga, Jon ; Kortabarria Iparragirre, Iñigo (Elsevier, 2015-08-01)
Economical optimization of hybrid systems is usually performed by means of LCoE (levelized cost of energy) calculation. Previous works deal with the LCoE calculation of the whole hybrid system disregarding an important ... -
Maximum Power Point Tracking Techniques for Photovoltaic Panel: A Review and Experimental Applications
Derbeli, Mohamed; Napole, Cristian; Barambones Caramazana, Oscar; Sánchez Etchegaray, Jesús María; ; Fernández Bustamante, Pablo (MDPI, 2021-11-22)
This article contains a review of essential control techniques for maximum power point tracking (MPPT) to be applied in photovoltaic (PV) panel systems. These devices are distinguished by their capability to transform solar ... -
Methodology for Tuning MTDC Supervisory and Frequency-Response Control Systems at Terminal Level under Over-Frequency Events
Haro Larrode, Marta; Santos Mugica, Maider; ; Eguía López, Pablo (MDPI, 2020-06-01)
This paper proposes a methodology for tuning a supervisory and frequency-response outer loop control system of a multi-terminal direct current (MTDC) grid designed to transmit offshore wind energy to an onshore AC grid, ... -
Methods for Increasing the Rating of Overhead Lines
Albizu Flórez, Igor; Mazón Sainz-Maza, Angel Javier ; (IEEE, 2011-06)
At the present time, there is great pressure to increase the power flow in existing right of ways using existing infrastructure as far as possible. In this paper, the diverse options for increasing the rating of overhead ... -
Microtab design and implementation on a 5MW wind turbine
; ; Boyano Murillo, Ana Isabel; ; López Guede, José Manuel (MDPI, 2017-05-24)
Microtabs (MT) consist of a small tab placed on the airfoil surface close to the trailing edge and perpendicular to the surface. A study to find the optimal position to improve airfoil aerodynamic performance is presented. ... -
Model for optimal management of the cooling system of a fuel cell-based combined heat and power system for developing optimization control strategies
Asensio De Miguel, Francisco Javier; San Martín Díaz, José Ignacio ; ; Oñederra Leyaristi, Oier (Elsevier, 2017-12-18)
This paper is focused on the development of a model for achieving optimal control of the cooling system of a polymer electrolyte membrane fuel cell (PEMFC)-based cogeneration system. This model is developed to help facilitate ... -
Modelling of Resistive Type Superconducting Fault Current Limiter for HVDC Grids
(MDPI, 2022)The protection of high voltage direct current (HVDC) grids is a challenge considering that the protection system must detect, locate, and interrupt large fault currents in a few milliseconds. Resistive type superconducting ... -
Monitoring the Tension and the Temperature in an Overhead Line
Bedialauneta Landaribar, Miren Terese; Albizu Flórez, Igor ; Fernández Herrero, Elvira ; Mazón Sainz-Maza, Angel Javier ; De Arriba, Susana (IEEE, 2012-03)
The paper describes a monitoring system for the evaluation of the low sag behavior of the overhead conductors. The monitoring system measures the conductor tension and temperature. This system includes a methodology for ... -
New chromium steel grade for creep applications
; ; ; ; Fernández Martínez, Roberto; Jimbert Lacha, Pedro José ; ; (IOP, 2022)
In this study, a novel Chromium steel grade (COIN2) is produced as a result of a new steel composition and an innovative heat treatment. This new steel grade COIN2 evolves from the P92 steel grade and other novel steel ... -
Noise in Electric Motors: A Comprehensive Review
; ; Mazón Sainz-Maza, Angel Javier (MDPI, 2023-07-11)
Electric machines are important devices that convert electrical energy into mechanical energy and are extensively used in a wide range of applications. Recent years have seen an increase in applications where electric ... -
On-Line Stator Winding Fault Diagnosis in Induction Generators for Renewable Generation
Albizu Flórez, Igor; Tapia Otaegui, María Aranzazu; Sáenz Ruiz, Jose Ramón; Mazón Sainz-Maza, Angel Javier ; (IEEE, 2004-05)
Renewable generation systems are increasing its presence in electrical power systems. For this reason, it is more important than ever to count with reliable and secure generation systems. In this way, the use of on-line ... -
Operating Point Optimization of a Hydrogen Fueled Hybrid Solid Oxide Fuel Cell-Steam Turbine (SOFC-ST) Plant
Ugartemendia de la Iglesia, Juan José; Ostolaza Zamora, Joseba Xabier ; Zubia Olaskoaga, Itziar (MDPI, 2013-09-30)
This paper presents a hydrogen powered hybrid solid oxide fuel cell-steam turbine (SOFC-ST) system and studies its optimal operating conditions. This type of installation can be very appropriate to complement the intermittent ... -
Optimal Connection Voltage of Soft Open Point and Shore-to-Ship Power Converters for Enhanced Capacitive Reactive Power Operation
; ; Eguía López, Pablo; ; (IEEE, 2024-01)
Soft Open Point and Shore-to-Ship Power applications permit to deploy smart grid infrastructure into distribution and port networks. Both are based on power electronics converters that require an optimal integration to ... -
Optimal Coordination of PV Active Power Curtailment and EVs Charging among Aggregators
; Merino Fernández, Julia; ; Mazón Sainz-Maza, Angel Javier (MDPI, 2020-10-15)
With the growing adoption of electric vehicles (EVs) and residential photovoltaic (PV) systems around the world, the distribution system operators (DSOs) are facing several technical challenges on their network planning ... -
Optimal location of distributed generation to reduce power losses
; Albizu Flórez, Igor; Bedialauneta Landaribar, Miren Terese ; Fernández Herrero, Elvira ; (IEEE, 2023-09-13)
The efficient integration of distributed electricity generation from renewable resources requires innovation in the grid. It is necessary to develop methodologies for the planning, management and operation of the distribution ... -
Optimal Management of an Energy Community with PV and Battery-Energy-Storage Systems
; ; ; ; Mazón Sainz-Maza, Angel Javier; ; (MDPI, 2023-01-10)
Most of current prosumer-energy-management approaches are focused on economic optimization by self-consumption maximization. Nevertheless, a lack of energy management strategies (EMS) that tackle different interaction ... -
Optimal sizing and operation methodology for the on-board electrical generation and energy recovery system of an aircraft
Asensio De Miguel, Francisco Javier; San Martín Díaz, José Ignacio ; ; Oñederra Leyaristi, Oier ; ; (IEEE, 2020-11-18)
This paper focuses on a novel sizing and operation methodology for the on-board electrical generation and energy recovery system of an aircraft. The proposed operation methodology lies in the optimal management of a hydrogen ... -
Optimized Energy Management Strategy for Wind Plants with Storage in Energy and Reserve Markets
González Garrido, Amaia; ; Gaztañaga, Haizea; Saez de Ibarra, Andoni; Eguía López, Pablo (IOP Publishing, 2019-05-21)
This paper addresses the joint operation of wind plants with energy storage systemsin multiple markets to increase the value of wind energy from an economic and technical point of view. The development of an optimized ...