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Recent Submissions
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Comparison of modulations and dc-link balance control strategies for a multibattery charger system based on a three-level dual-active-bridge power converter,
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Conference report
Open AccessThis paper focuses on the study of a charger for two batteries connected in series. From the three-phase grid, the batteries are charged through a three-level neutral-point-clamped (NPC) ac-dc converter in cascade with a ... -
Benefits of finer semiconductor device granularity on power converter thermal stress and MTTF
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyThis article explores the thermal and reliability benefits of configuring the power semiconductor block of power converters with several small standard power semiconductor devices instead of a few larger ones at a fixed ... -
Multibattery charger system based on a three-level dual-active-bridge power converter
(2021)
Conference report
Open AccessA charger for two batteries connected in series is presented in this work. From the three-phase grid, the batteries are charged through a three-level neutral-point-clamped ac-dc converter in cascade with a three-level dual ... -
Generic design and implementation of multi-cell multi-phase voltage source inverters
(VDE-Verlag, 2019)
Conference report
Restricted access - publisher's policyThis paper deals with generic design and implementation of multi-cell multi-level multi-phase voltage source inverters. Based on a well-known topology, the paper focuses on place and route design to enable V and/or I ... -
Active learning in sustainable energy master degrees: A multiple challenge approach
(2017)
Conference report
Restricted access - publisher's policyThe analysis presented here st arts from the experience in challenge-based education devel oped in the master degrees MSc RENE and MSc SELECT. These MSc programs are offered by InnoEnergy partner universities, funded by ... -
Self-powered bipolar gate-driver power supply circuit for neutral-point-clamped converters
(2018)
Conference report
Open AccessThe design of gate-driver power supply (GDPS) circuits for multilevel neutral-point-clamped converters is a challenge due to the large number of power switches required and the fact that each device presents a different ... -
Enhanced power device configuration and operation of a grid-connected active-neutralpoint- clamped inverter for wind energy conversion systems
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference lecture
Restricted access - publisher's policyThe power ratings of wind energy conversion systems (WECS) are increasing considerably due to high demand on wind power. Thus, multilevel power converters are becoming an interesting solution in the largest WECS, especially ... -
A Novel commutation sequence for the three-level active neutral-point-clamped inverter to aid in splitting switching and conduction losses among the semiconductor devices
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Restricted access - publisher's policyThe three-level neutral-point-clamped (3L-NPC) topology is competitive in the large wind energy conversion systems (WECS) thanks to its simple implementation and proper performance compared to other topologies. However, ... -
Modulation and capacitor voltage balancing control of a four-level active-clamped dualactive- bridge DC-DC converter
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Restricted access - publisher's policyThis paper proposes and demonstrates the feasibility of a dual-active-bridge converter built upon four-level active-clamped legs. A suitable modulation pattern is defined. The dc-link capacitor voltage balancing is analyzed ... -
Efficiency comparison between SiC- and Si-based active neutral-point clamped converters
(2015)
Conference report
Restricted access - publisher's policyThis paper presents an efficiency comparison between silicon-carbide technology and silicon technology. In order to achieve this, the efficiency of an active neutral-point clamped converter built up with silicon carbide ... -
Burden resistor selection in current transformers for low power applications
(Universitat Rovira i Virgili, 2014)
Conference lecture
Open AccessIn order to sense AC current with electric isolation in high frequency switching power converters the most simple and low cost solution is to consider a current transformer with a burden resistor. But burden resistor ... -
Mejoras en el consumo de energía de los transductores de corriente basados en el efecto flux-gate
(Universitat Rovira i Virgili, 2014)
Conference lecture
Open AccessEn este trabajo se presenta una mejora en el diseño de los transductores de corriente flux-gate, con vistas a la reducción del consumo eléctrico de la electrónica de control. Esta mejora consiste en la substitución del ...