Exploració per autor "Sainz Sapera, Luis"
Ara es mostren els items 45-64 de 66
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Parameter estimation procedures for compact fluorescent lamps with electronic ballasts
Sainz Sapera, Luis; Cunill Solà, Jordi; Mesas García, Juan José (2013-02)
Article
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Positive-net-damping stability criterion in grid-connected VSC systems
Sainz Sapera, Luis; Cheah Mañé, Marc; Monjo, Luis; Liang, Jun; Gomis Bellmunt, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2017-12-01)
Article
Accés obertResonance instabilities in power systems can be assessed with the positive-net-damping stability criterion. This criterion is a review of the complex torque coefficients method, but it does not provide the frequency of the ... -
PSpice model of discharge lamps with saturated magnetic ballast and non-square arc voltage
Molina, Julio; Sainz Sapera, Luis (2014-09-01)
Article
Accés restringit per política de l'editorialHigh intensity discharge lamps with magnetic ballast are energy-efficient lighting devices commonly used in industrial and public installations. These lamps can be important pollution loads, and their harmonic modeling has ... -
Quasi-z-source inverter-based photovoltaic power system modeling for grid stability studies
Monjo Mur, Lluís; Sainz Sapera, Luis; Mesas García, Juan José; Pedra Durán, Joaquim (2021-01-19)
Article
Accés obertQuasi-Z-source inverters (qZSIs) are becoming a powerful power conversion technology in photovoltaic (PV) power systems because they allow energy power conversion in a single stage operation. However, they can cause system ... -
Resonance-based procedure for locating failed luminaires in AGL systems
Vidal, Daniel; Monjo, Luis; Sainz Sapera, Luis (2018-02)
Article
Accés obertIEEE Aeronautical ground lighting (AGL) systems provide a visual reference for aircraft during airport operations. Fast detection and location of failed luminaires is an important safety concern in AGL systems. In the event ... -
Review and improvements to the measurements of the VSC impedance transfer matrix
Pedra Durán, Joaquim; Sainz Sapera, Luis; Monjo Mur, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2024-04)
Article
Accés obertImpedance/admittance transfer matrix characterization of voltage source converters is an important issue in frequency domain stability studies. Several approaches in the dq- and pn-frame are proposed to obtain this matrix ... -
Stability assessment for multi-infeed grid-connected VSCs modeled in the admittance matrix form
Orellana Montaño, Luis Carlos; Sainz Sapera, Luis; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2021-09-01)
Article
Accés obertThe increasing use of power electronics converters to integrate renewable energy sources has been a subject of concern due to the resonance oscillatory phenomena caused by their interaction with poorly damped AC networks. ... -
State-space model of quasi-z-source inverter-PV systems for transient dynamics studies and network stability assessment
Monjo Mur, Lluís; Sainz Sapera, Luis; Mesas García, Juan José; Pedra Durán, Joaquim (2021-07-09)
Article
Accés obertPhotovoltaic (PV) power systems are increasingly being used as renewable power generation sources. Quasi-Z-source inverters (qZSI) are a recent, high-potential technology that can be used to integrate PV power systems into ... -
State-space model of qZSI based PMSG-WPGSs for transient dynamic studies
Monjo Mur, Lluís; Sainz Sapera, Luis (2021-09)
Comunicació de congrés
Accés restringit per política de l'editorialThe use of permanent magnet synchronous generators (PMSGs) with full-scale back-to-back converters is rising as a common option in wind power generation systems (WPGSs). An efficient grid integration of PMSG-WPGSs is ... -
Statistical study of personal computer cluster harmonic currents from experimental measurements
Mesas García, Juan José; Sainz Sapera, Luis; Sala Pérez, Pau (2015-01-02)
Article
Accés obertThe net harmonic currents generated by a cluster of desktop personal computers are studied statistically. Personal computers (PCs) are single-phase non-linear loads with low individual consumption but significant collective ... -
Statistical study of resonance in AC traction systems equipped with Steinmetz circuit
Monjo Mur, Lluís; Sainz Sapera, Luis; Rull Duran, Joan (2013-10)
Article
Accés restringit per política de l'editorialAC traction systems can be 25 kV/50 Hz single-phase, non-linear, time-varying loads of random naturecausing unbalance and distortion of the supply voltages. To reduce voltage unbalance, thyristor controlledreactances are ... -
Study of black-box models and participation factors for the positive-mode damping stability criterion
Orellana Montaño, Luis Carlos; Sainz Sapera, Luis; Prieto Araujo, Eduardo; Cheah Mañé, Marc; Mehrjerdi, Hasan; Gomis Bellmunt, Oriol (Elsevier, 2023-06-01)
Article
Accés obertThe dominance of power electronics in modern power systems makes it difficult to study stability with sufficient accuracy given the available information, so it is necessary to enhance current frequency-based stability ... -
Study of cable short circuit in VSC DC systems
Monjo Mur, Lluís; Mesas García, Juan José; Sainz Sapera, Luis; Pedra Durán, Joaquim (2015)
Text en actes de congrés
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Study of MVDC system benchmark networks
Mesas García, Juan José; Monjo Mur, Lluís; Sainz Sapera, Luis; Pedra Durán, Joaquim (2015)
Text en actes de congrés
Accés restringit per política de l'editorial -
Study of resonance in wind parks
Monjo Mur, Lluís; Sainz Sapera, Luis; Liang, Jun; Pedra Durán, Joaquim (2015-11-01)
Article
Accés obertWind turbine harmonic current emissions are a well-known power quality problem. These emissions flow through wind park impedances, leading to grid voltage distortion. Parallel resonance may worsen the problem because it ... -
Study of resonances in 1 x 25 kV AC traction systems
Monjo Mur, Lluís; Sainz Sapera, Luis (2015-09-14)
Article
Accés obertAC traction systems are 1 x 25 or 2 x 25 kV 50-Hz single-phase, non-linear, time-varying loads that can cause power quality problems. One of the main concerns about these systems is voltage distortion, because adjustable-speed ... -
Study of resonances in 1 x 25 kV AC traction systems with external balancing equipment
Mesbahi, Nadhir; Monjo Mur, Lluís; Sainz Sapera, Luis (2016-10-01)
Article
Accés obertAC traction systems are 1 × 25 or 2 × 25 kV/50 Hz single-phase, nonlinear, time-varying loads that can cause power-quality problems, such as unbalanced or distorted voltages. To reduce unbalance, external balancing equipment ... -
Study of the steinmetz circuit influence on AC traction system resonance
Sainz Sapera, Luis; Monjo Mur, Lluís; Riera, Sara; Pedra Durán, Joaquim (2012-10-01)
Article
Accés restringit per política de l'editorialTraction systems are single-phase, nonlinear loads, which can unbalance and pollute supply voltages. To reduce voltage unbalance, reactances are usually connected in delta configuration with traction systems. This setup ... -
Study of voltage sag impact on LED lamp consumed currents
Monjo Mur, Lluís; Mesas García, Juan José; Sainz Sapera, Luis; Pedra Durán, Joaquim (2016)
Text en actes de congrés
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Theoretical study of the steinmetz circuit design
Monjo Mur, Lluís; Sainz Sapera, Luis; Riera Galceran, Sara; Bergas Jané, Joan Gabriel (Taylor & Francis, 2013-01-11)
Article
Accés restringit per política de l'editorial