Exploració per autor "Sainz Sapera, Luis"
Ara es mostren els items 10-29 de 66
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Cable fault characterization in VSC DC systems
Mesas García, Juan José; Monjo Mur, Lluís; Sainz Sapera, Luis; Pedra Durán, Joaquim (2016)
Comunicació de congrés
Accés restringit per política de l'editorial -
Compact fluorescent lamp modeling for large-scale harmonic penetration studies
Molina, Julio; Sainz Sapera, Luis (2014-10-20)
Article
Accés restringit per política de l'editorialLow-watt compact fluorescent lamps (CFLs) may account for significant energy consumption of power distribution feeders in future years. This can lead to power-quality concerns because these devices consume highly distorted ... -
Comparison of small-signal admittance-based models of doubly-fed induction generators
Pedra Durán, Joaquim; Sainz Sapera, Luis; Monjo Mur, Lluís (2023-02)
Article
Accés restringit per política de l'editorialThis paper reviews and compares the main doubly-fed induction generator (DFIG) models for stability assessment in the literature by PSCAD/EMTDC simulation. The main contribution of the paper is a detailed study on small- ... -
Criterion for the electrical resonance stability of offshore wind power plants connected through HVDC links
Cheah Mañé, Marc; Sainz Sapera, Luis; Liang, Jun; Jenkins, Nicholas; Ugalde Loo, Carlos E. (2017-11-01)
Article
Accés obertElectrical resonances may compromise the stability of HVDC-connected offshore wind power plants (OWPPs). In particular, an offshore HVDC converter can reduce the damping of an OWPP at low-frequency series resonances, leading ... -
Currents' physical components (CPC) concept in wind farm harmonic current studies
Sainz Sapera, Luis; Cunill Solà, Jordi (2011)
Comunicació de congrés
Accés obertVery little information about actual wind farm harmonic measurements is available in the literature. This paper analyzes the harmonic measurements of an 18 MW wind farm with the CPC concept to determine if they are ... -
DC Admittance Model of VSCs for Stability Studies in VSC-HVDC Systems
Pedra Durán, Joaquim; Sainz Sapera, Luis; Monjo Mur, Lluís (2023-07-01)
Article
Accés obertHigh-voltage direct current (HVDC) systems linked to AC grids with converters are promising energy transmission systems. These systems present complex AC- and DC-side dynamic interactions. Impedance-based stability studies ... -
Deterministic and stochastic assessment of the harmonic currents consumed by discharge lamps
Mesas García, Juan José; Sainz Sapera, Luis; Ferrer Biosca, Alberto (2011-01)
Article
Accés restringit per política de l'editorial -
Deterministic and stochastic study of wind farm harmonic currents
Sainz Sapera, Luis; Mesas García, Juan José; Teodorescu, Remus; Rodríguez Cortés, Pedro (2010-06-03)
Article
Accés obertWind farm harmonic emissions are a well-known power quality problem, but little data based on actual wind farm measurements are available in literature. In this paper, harmonic emissions of an 18MWwind farm are investigated ... -
Effect of wind turbine converter control on wind power plant harmonic response and resonances
Sainz Sapera, Luis; Monjo Mur, Lluís; Pedra Durán, Joaquim; Cheah Mañé, Marc; Liang, Jun; Gomis Bellmunt, Oriol (2017-02-01)
Article
Accés restringit per política de l'editorialWind turbine harmonic emissions due to power electronics are a well-known power quality concern in wind power plants (WPPs). This problem may be increased by resonances because they amplify harmonic distortion around ... -
Electrical resonance instability study in traction systems
Sainz Sapera, Luis; Monjo Mur, Lluís; Mesas García, Juan José; Pedra Durán, Joaquim; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialTraction system stability can be affected by the interaction between the traction load and resonances in the railway traction grid. This paper presents an electrical resonance instability study applied to traction systems. ... -
Electrical resonance instability study in wind power plants
Sainz Sapera, Luis; Mesas García, Juan José; Monjo Mur, Lluís; Pedra Durán, Joaquim; Cheah Mañé, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialWind power plant stability can be affected by the interaction between the wind turbine and the resonances in the collector grid. This paper presents an electrical resonance instability study applied to wind power plants. The ... -
Estudio de la formulación y resolución del problema del flujo armónico de cargas
Sainz Sapera, Luis (Universitat Politècnica de Catalunya, 1995-01-10)
Tesi
Accés obertLa tesis estudia el problema del flujo armónico de cargas desde dos puntos de vista. La formulación del problema del flujo armónico de cargas analizando los distintos métodos existentes en la bibliografía y desarrollando ... -
Experimental measurements about harmonic current mitigation of electric vehicle battery chargers
Sainz Sapera, Luis; Balcells Sendra, Josep (2011)
Comunicació de congrés
Accés obertThe expected high penetration of battery chargers for electric vehicles (EV) in electric networks is foreseen as a potential problem for power quality. Battery chargers are nonlinear devices that inject harmonic currents ... -
Experimental measurements of fluorescent lamp harmonic current emissions and their impact on neutral current
Cunill Solà, Jordi; Mesas García, Juan José; Sainz Sapera, Luis (2011)
Text en actes de congrés
Accés restringit per política de l'editorial -
Frequency domain stability assessment of photovoltaic power generation systems with quasi-z-source inverters
Sainz Sapera, Luis; Monjo Mur, Lluís (2021-09-01)
Article
Accés obertPhotovoltaic power generation systems are one of the main renewable power sources, and quasi-Z-source inverters are becoming powerful devices to integrate these systems in AC grids. However, stability issues due to the ... -
Harmonic interaction influence due to current source shunt filters in networks supplying nonlinear loads
Sainz Sapera, Luis; Balcells Sendra, Josep (2012)
Article
Accés restringit per política de l'editorial -
Harmonic resonance stability of aeronautical ground lighting systems
Vidal, Daniel; Monjo Mur, Lluís; Sainz Sapera, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2018-12)
Article
Accés restringit per política de l'editorialAeronautical ground lighting (AGL) systems assist aircraft pilots in airport operations. These systems are singlephase series circuits where constant current regulators (CCRs) feed luminaires with an adjustable rms current. ... -
Impact of short-circuit ratio on control parameter settings of DFIG wind turbines
Pedra Durán, Joaquim; Sainz Sapera, Luis; Monjo Mur, Lluís (2024-04-11)
Article
Accés obertThis work deals with doubly fed induction generator (DFIG) modeling and stability when connected to weak AC grids. A detailed state-space model that includes the phase-locked loop (PLL) is developed. This work aims to ... -
Impact of voltage sags on DC bus voltage in unipolar LVDC systems
Monjo Mur, Lluís; Mesas García, Juan José; Sainz Sapera, Luis; Saura Perisé, Jaime; Pedra Durán, Joaquim (2015)
Text en actes de congrés
Accés obert -
Impedance-based analysis of harmonic instabilities in HVDC-connected Offshore Wind Power Plants
Cheah Mañé, Marc; Sainz Sapera, Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2019-03-01)
Article
Accés obertHVDC-connected Offshore Wind Power Plants (OWPPs) with a large number of power converters are prone to instabilities due to interactions with converter controllers. This paper analyzes harmonic instabilities in OWPPs ...