Search Results - "Melero, Julio"

Lifetime extension of onshore wind turbines: A review covering Germany, Spain, Denmark, and the UK by Ziegler, Lisa, Gonzalez, Elena, Rubert, Tim, Smolka, Ursula, Melero, Julio J.

“…A significant number of wind turbines will reach the end of their planned service life in the near future. A decision on lifetime extension is complex and…”
Get full text

Using high-frequency SCADA data for wind turbine performance monitoring: A sensitivity study by Gonzalez, Elena, Stephen, Bruce, Infield, David, Melero, Julio J.

“…Intensive condition monitoring of wind generation plant through analysis of routinely collected SCADA data is seen as a viable means of forestalling costly…”
Get full text

A Robust Wavelet-Based Hybrid Method for the Simultaneous Measurement of Harmonic and Supraharmonic Distortion by Lodetti, Stefano, Bruna, Jorge, Melero, Julio J., Khokhlov, Victor, Meyer, Jan

“…This article introduces a new method for the simultaneous measurement of harmonic and supraharmonic distortion with improved robustness against amplitude and…”
Get full text

Data-driven learning framework for associating weather conditions and wind turbine failures by Reder, Maik, Yürüşen, Nurseda Y., Melero, Julio J.

“…•A novel framework is presented to analyse big data and obtain meaningful rules.•Apriori rule mining and k-means clustering techniques are employed.•A case…”
Get full text

Selection of the Most Suitable Decomposition Filter for the Measurement of Fluctuating Harmonics by Bruna, Jorge, Melero, Julio J.

“…The proliferation of nonlinear loads in both industrial and residential distribution grids leads to undesirable nonsinusoidal and fluctuating harmonic…”
Get full text

Automated wind turbine maintenance scheduling by Yürüşen, Nurseda Y., Rowley, Paul N., Watson, Simon J., Melero, Julio J.

“…•The HSE requirements for WF O&M visit was reviewed.•An automatic WF O&M scheduling decision support system (DSS) is developed.•HSE, wind speed and wind gust…”
Get full text

Flicker of Modern Lighting Technologies Due to Rapid Voltage Changes by Lodetti, Stefano, Azcarate, Izaskun, Gutiérrez, José, Leturiondo, Luis, Redondo, Koldo, Sáiz, Purificación, Melero, Julio, Bruna, Jorge

“…The purpose of the present paper is to evaluate the sensitivity of modern lighting technologies to different types of RVCs. In order to do that, 27 modern…”
Get full text

A Robust Wind Turbine Component Health Status Indicator by Lázaro, Roberto, Melero, Julio J, Yürüşen, Nurseda Y

“…Wind turbine components’ failure prognosis allows wind farm owners to apply predictive maintenance techniques to their fleets. Determining the health status of…”
Get full text

Sensitivity study of a wind farm maintenance decision - A performance and revenue analysis by Tautz-Weinert, Jannis, Yürüşen, Nurseda Y., Melero, Julio J., Watson, Simon J.

“…Commercial operation and maintenance of wind farms always involves trying to find the most cost-effective solution from various possible options. In this…”
Get full text

A High-Frequency Digitiser System for Real-Time Analysis of DC Grids with DC and AC Power Quality Triggering by Oliván, Miguel A., Pérez-Aragüés, Juan J., Melero, Julio J.

“…The presence of DC grids in distribution networks is being increased nowadays and is expected to be quite relevant in a near future, due to several advantages…”
Get full text

Wavelet Packet Decomposition for IEC Compliant Assessment of Harmonics under Stationary and Fluctuating Conditions by Lodetti, Stefano, Bruna, Jorge, Melero, Julio J., Sanz, José F.

“…This paper presents the validation and characterization of a wavelet based decomposition method for the assessment of harmonic distortion in power systems,…”
Get full text

Impact of the Integration of the Electric Vehicle on Low-Voltage Rural Networks by Comech, María Paz, Sanz-Osorio, José F., Melero, Julio J., García-Izquierdo, Oscar

“…The electric vehicle deployment, due to the plans defined according to the energy transition objectives, produces new challenges for the electrical system…”
Get full text

A Robust Measurement Method for Supraharmonics Under Power Frequency Deviations by Lodetti, Stefano, Khokhlov, Victor, Meyer, Jan, Bruna, Jorge, Melero, Julio J.

“…This paper introduces a new measurement method for supraharmonic distortion with improved robustness against power frequency deviations. The proposed method is…”
Get full text

Machine Learning models for the estimation of the production of large utility-scale photovoltaic plants by Talayero, Ana P., Melero, Julio J., Llombart, Andrés, Yürüşen, Nurseda Y.

“…Photovoltaic (PV) energy development has increased in the last years mainly based on large utility-scale plants. These plants are characterised by a huge…”
Get full text

On-site PQ Measurements in a Real DC Micro-grid by Melero, Julio J., Bruna, Jorge, Leiva, Javier

“…The increasing use of distributed energy generation and storage has led to local direct current (DC) trial grids as an extension to traditional AC distribution…”
Get full text

Characterization of the Emission of an Electric Bus Inductive Charging in the 2 kHz to 150 kHz Range by Lodetti, Stefano, Bruna, Jorge, Sanz, Joe Francisco, Melero, Julio J.

“…The foreseen increasing penetration of the Electric Vehicle is causing concern about its impact on power quality, especially with respect to distortions in the…”
Get full text

Sensitivity of modern lighting technologies to rapid voltage changes by Lodetti, Stefano, Azcarate, Izaskun, Gutierrez, Jose Julio, Redondo, Koldo, Saiz, Purification, Melero, Julio J., Bruna, Jorge

“…Rapid Voltage Changes (RVCs) are one of the Power Quality disturbances that are recently receiving a lot of attention from the point of view of international…”
Get full text

Orientational Phase Transition of (CH 3 ) 4 NClO 4 in Two and Three Dimensions by Burriel, Ramón, Palacios, Elías, Melero, Julio J., Ferloni, Paolo

“…In the room temperature phase of (CH 3 ) 4 NClO 4 the ClO 4 m molecules are disordered with four possible equivalent orientations. There is an order-disorder…”
Get full text

Magnetic Excitations in Polyoxometalate Clusters Observed by Inelastic Neutron Scattering:  Evidence for Anisotropic Ferromagnetic Exchange Interactions in the Tetrameric Cobalt(II) Cluster [Co4(H2O)2(PW9O34)2]10-. Comparison with the Magnetic and Specific Heat Properties by Andres, Hanspeter, Clemente-Juan, Juan M, Aebersold, Michael, Güdel, Hans U, Coronado, Eugenio, Büttner, Herma, Kearly, Gordon, Melero, Julio, Burriel, Ramón

“…The ground-state properties of the tetranuclear Co2+ cluster [Co4(H2O)2(PW9O34)2]10- were investigated by combining specific heat, magnetic susceptibility, and…”
Get full text

Orientational phase transition of (CH3)4NClO4 in two and three dimensions by BURRIEL, Ramon, PALACIOS, Elias, MELERO, Julio J, FERLONI, Paolo

Get full text