Recent Submissions

  • RESOLVD: ICT services and energy storage for increasing renewable hosting capacity in LV distribution grids 

    Sumper, Andreas; Plana Olle, Pau; Girbau Llistuella, Francesc; Díaz González, Francisco; Puranik, Sanket; Meléndez Frigola, Joaquim; Kokos, Isidoros; Candido, Luisa (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    This article presents the H2020 project RESOLVD (Renewable Penetration Levered by Efficient Low Voltage Distribution Grids). The purpose of this project is to improve the efficiency of distribution networks at the same ...
  • Complex-valued sliding mode control of an induction motor 

    Dòria Cerezo, Arnau; Olm Miras, Josep Maria; Repecho del Corral, Víctor; Biel Solé, Domingo (2020)
    Conference report
    Restricted access - publisher's policy
    Three-phase induction motors admit a complex-valued space state representation. In this paper, this complex description is used to design a torque controller and a rotor flux observer based on sliding modes. The advantage ...
  • On the vehicle state estimation benefits of smart tires 

    Mazzilli, Victor; Ivone, Davide; Vidal Muñoz, Victor; De Pinto, Stefano; Camocardi, Pablo; Pascali, Leonardo; Dòria Cerezo, Arnau; Gruber, Patrick; Tarquinio, G.; Sorniotti, Aldo
    Conference report
    Open Access
    Smart tires are systems that are able to measure temperature, inflation pressure, footprint dimensions, and, importantly, tire contact forces. The integration of this additional information with the signals obtained from ...
  • Non-Intrusive parameter identification of a three-phase rectifier based on an optimization approach 

    Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Candelo Zuluaga, Carlos Andres (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Restricted access - publisher's policy
    Six-pulse diode rectifiers are widely used in many power conversion systems. In this work a non-intrusive approach for parameter identification of such power device is presented and its accuracy and performance is evaluated ...
  • Complex pole placement control for a three-phase voltage source converter 

    Serra, Federico; Dòria Cerezo, Arnau; De Angelo, Cristian; Martín Fernández, L.L.; Bodson, Marc
    Conference report
    Open Access
    In this work, a complex-valued controller for a three-phase VSC with an LC output filter is proposed. The system is first transformed into its complex representation with the consequent order reduction and simpler analysis. ...
  • Practical design of a coherent ultra-dense WDM-PON with paired DFB lasers 

    Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Polo Querol, Víctor; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Restricted access - publisher's policy
    A coherent WDM-PON achieving ultra-dense spectral allocation is reported. The ONU at user premises is built of coherent transceivers with two paired low-cost DFB lasers, one as local oscillator and the other as transmitter, ...
  • Centralized flexibility services for distribution system operators through distributed flexible resources 

    Barja Martínez, Sara; Olivella Rosell, Pol; Lloret Gallego, Pau; Villafafila Robles, Roberto (Universidad Santiago de Cali, 2019)
    Conference report
    Open Access
    Under the context of smart grids within smart cities, increasing distributed generation, consumer empowerment and emerging flexibility services, distribution system operators could benefit by activating flexibility in ...
  • A power sharing algorithm for a hybrid energy storage system based on batteries 

    Díaz González, Francisco; Aragüés Peñalba, Mònica; Girbau Llistuella, Francesc; Llonch Masachs, Marc; Sumper, Andreas (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Open Access
    This paper presents a method to operate a hybrid Energy Storage System (ESS) based on a heterogeneous grouping of battery types. In particular, the system is composed by a lithium-ion battery pack and a lead-acid one. The ...
  • System architecture for managing congestions in distributions grids using flexibility 

    Munné Collado, Íngrid; Lloret Gallego, Pau; Olivella Rosell, Pol; Villafafila Robles, Roberto; Ottesen, Stig Ø.; Palma Costa, Vera; Gallart, Ramon; Sumper, Andreas (2019)
    Conference lecture
    Open Access
    The increased penetration of renewable, intermittent and distributed energy resources, flexible loads and EVs in the distribution network, has arisen congestion issues at medium and low voltage level. These flexible ...
  • On resonance instabilities in VSCs connected to weak grids 

    Orellana Montaño, Luis Carlos; Prieto Araujo, Eduardo; Sainz Sapera, Luis; Cheah Mañé, Marc; Gomis Bellmunt, Oriol (2019)
    Conference report
    Restricted access - publisher's policy
    This paper addresses the oscillatory stability phenomena studied in the literature and reported by network operators in grid-connected VSC systems. Negative interactions have been observed at different frequencies in these ...
  • Photovoltaic inverters with fault ride-through capability 

    Azevedo, Gustavo M.S.; Vázquez, Gerardo; Luna Alloza, Álvaro; Aguilar Galván, Daniel; Rolán Blanco, Alejandro (ISIE, 2009)
    Conference lecture
    Open Access
    This paper presents a new control strategy that allow the photovoltaic system operate under grid faults without overpass the rated current and assuring sinusoidal currents. In the classic control strategies used in ...
  • Symmetrical and unsymmetrical voltage sag effects on the three-phase synchronous machine stability 

    Aguilar Galván, Daniel; Rolán Blanco, Alejandro; Vázquez, Gerardo; Córcoles López, Felipe; Rodríguez Cortés, Pedro (2009)
    Conference lecture
    Open Access
    This paper focuses on the effects of voltage sags, both symmetrical and unsymmetrical, on the three-phase Synchronous Machine (SM). Voltage sags on SM cause speed variations, current and torque peaks and hence may cause ...

View more