Now showing items 1-10 of 10

    • A modified partial power structure for quasi Z-source converter to improve voltage gain and power rating 

      Honarmand, Shahin; Rajaei, Amirhossein; Shahparasti, Mahdi; Luna Alloza, Álvaro; Pouresmaeil, Edris (2019-06-01)
      Article
      Open Access
      Employing partial power processing (PPP) technique for quasi Z-source converter (QZSC) a new structure of the converter is presented. Using PPP technique although eliminates electrical insolation, but permits reducing ...
    • Advanced control of a high power converter connected to a weak grid 

      Shahparasti, Mahdi; Catalán, Pedro; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2016)
      Conference report
      Open Access
      This paper addresses the stability problems of a high power converter connected to a weak grid. The wide range values that grid impedance can take, challenges the stability and the performance of the controllers, which are ...
    • Bioelectrochemical systems for energy storage: a scaled-up power-to-gas approach 

      Ceballos Escalera, Alba; Molognoni, Daniele; Bosch Jimenez, Pau; Shahparasti, Mahdi; Bouchakour, Salim; Luna Alloza, Álvaro; Guisasola, Albert; Borràs, Eduard; Della Pirriera, Monica (2019-01-01)
      Article
      Open Access
      The development and implementation of energy storage solutions is essential for the sustainability of renewable energy penetration in the electrical system. In this regard, power-to-gas technologies are useful for seasonal, ...
    • Control and validation of a reinforced power conversion system for upcoming bioelectrochemical power to gas stations 

      Shahparasti, Mahdi; Rajaei, Amirhossein; Tarraso Martínez, Andrés; Vidal León Romay, José David; Luna, Alvaro (2021-06-18)
      Article
      Open Access
      This paper presents a proposal for potential bioelectrochemical power to gas stations. It consists of a two-level voltage source converter interfacing the electrical grid on the AC side and an electromethanogenesis based ...
    • Enhanced control for improving the operation of grid-connected power converters under faulty and saturated conditions 

      Shahparasti, Mahdi; Catalán, Pedro; Fazlin Roslan, Nurul; Rocabert Delgado, Joan; Muñoz Aguilar, Raúl Santiago; Luna Alloza, Álvaro (2018-02-28)
      Article
      Open Access
      In renewable energy based systems Grid-Connected Voltage Source Converters (GC-VSC) are used in many applications as grid-feeding converters, which transfer the power coming from the renewable energy sources to the grid. ...
    • Enhanced performance controller for high power wind converters connected to weak grids 

      Shahparasti, Mahdi; Catalan, Pedro; García Quintanilla, José Ignacio; Candela García, José Ignacio; Tarraso Martínez, Andrés; Luna Alloza, Álvaro (2020-04-02)
      Article
      Open Access
      This study proposes a control scheme for high power grid-connected wind power converters, which is oriented to enhance their performance when connected to weak grids with low short circuit ratio. The proposed controller ...
    • Impedance source interlinking converter for microbial electrosynthesis energy storage applications 

      Shahparasti, Mahdi; Rocabert Delgado, Joan; Muñoz, Raul Santiago; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2018)
      Conference report
      Open Access
      In this paper, a new type of single-stage interlinking converters for Microbial Electrosynthesis (MES) energy storage applications connected to the three-phase grid is presented, in which impedance source network (ZSN) is ...
    • Realization of a 10 kW MES power to methane plant based on unified AC/DC converter 

      Shahparasti, Mahdi; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Bosch, Pau; Rodríguez Cortés, Pedro (2018)
      Conference report
      Open Access
      This paper presents a galvanic isolated multi output AC/DC topology that is suitable for Microbial electrosynthesis (MES) based Power to Methane energy storage systems. The presented scheme utilizes a three phase back to ...
    • Simplified modelling of nonlinear electromethanogenesis stack for power-to-gas applications 

      Shahparasti, Mahdi; Bouchakour, Salim; Luna Alloza, Álvaro; Molognoni, Daniele; Bosch Jimenez, Pau; Borràs, Eduard (Elsevier, 2020-10-01)
      Article
      Open Access
      Bioelectrochemical systems performing electromethanogenesis (EMG-BES) represent an emerging technology for Power-to-gas as well as wastewater treatment. Moreover, EMG-BES can be used as a high-capacity energy storage system ...
    • Smart AC storage based on microbial electrosynthesis stack 

      Shahparasti, Mahdi; Rocabert Delgado, Joan; Muñoz, Raul Santiago; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2018)
      Conference report
      Open Access
      In this paper, a variable and smart energy storage system, consisting on a two-level voltage source converter with LCL filter and Microbial Electrosynthesis (MES) stack, is presented. This energy storage system is able to ...