• openAccess   A multilevel modular dc-dc converter topology 

      Vidal-Albalate, Ricardo; Soto Sánchez, Diego; Andrade, Iván; Riedemann, Javier; Pesce, Cristián; Belenguer Balaguer, Enrique; Peña, Rubén; Blasco-Gimenez, Ramon Elsevier (2017)
      A multilevel modular DC-DC power conversion topology based on cascaded H-Bridge converters in a double П configuration is presented. The topology is intended to interconnect large power DC networks. A two level control ...
    • openAccess   Analysis of the Performance of MMC Under Fault Conditions in HVDC-Based Offshore Wind Farms 

      Vidal-Albalate, Ricardo; Beltran, Hector; Rolán Blanco, Alejandro; Belenguer Balaguer, Enrique; Peña, Rubén; Blasco-Gimenez, Ramon Institute of Electrical and Electronics Engineers (IEEE (2016-04)
      This paper analyzes the behavior of a modular multilevel converter-high-voltage direct-current (MMC-HVDC)-connected offshore wind power plant (WPP) during dc faults. For that purpose, detailed models of the dc cable, ...
    • closedAccess   Assessment of energy efficiency improvement methods in the residential sector through the development of economic experiments 

      Belenguer Balaguer, Enrique; García, Nieves; Sabater-Grande, Gerardo Springer Nature (2019)
      Energy efficiency has become one of the basic pillars with which to tackle climate change in the European Union where households accounted for 27% of final energy consumption in the year 2016, the second largest sector ...
    • openAccess   Automatic under-frequency load shedding mal-operation in power systems with high wind power penetration 

      Aparicio, N.; Añó-Villalba, Salvador; Belenguer Balaguer, Enrique; Blasco-Gimenez, Ramon Elsevier (2017)
      Countries with a limited interconnection capacity suffer substantial frequency variations after large incidents so they use automatic under-frequency load shedding schemes to arrest the frequency decay. Some of these ...
    • openAccess   Efficient model for modular multi-level converter simulation 

      Vidal-Albalate, Ricardo; Belenguer Balaguer, Enrique; Beltran, Hector; Blasco-Gimenez, Ramon Elsevier (2016)
      Detailed models of modular multi-level converters (MMCs) are cumbersome for electromagnetic transient simulation programs because of their high number of components which involve large simulation times. In this work, the ...
    • closedAccess   Evaluation of Storage Energy Requirements for Constant Production in PV Power Plants 

      Beltran, Hector; Bilbao, Endika; Belenguer Balaguer, Enrique; Etxeberria-Otadui, Ion; Rodríguez, Pedro Institute of Electrical and Electronics Engineers (IEEE) (2013-03)
      This paper analyzes the minimum energy capacity ratings that an energy-storage (ES) system should accomplish in order to achieve a defined constant power production in a photovoltaic (PV) power plant. ES is a key issue for ...
    • openAccess   Modular multi-level DC-DC converter for high-power and high-voltage applications 

      Vidal-Albalate, Ricardo; Soto Sánchez, Diego; Belenguer Balaguer, Enrique; Peña, Rubén; Blasco-Gimenez, Ramon IEEE (2015)
      A transformer-less DC-DC Modular Multi-level Converter (DC-DC-MMC) topology based on H-bridge cells is proposed in this paper. The suggested DC-DC-MMC can be used to either control the power flow in a HVdc grid ...
    • openAccess   Power flow control using a DC-DC MMC for HVdc grid connected wind power plants 

      Vidal-Albalate, Ricardo; Belenguer Balaguer, Enrique; Pesce, Cristián; Soto Sánchez, Diego; Peña, Rubén; Blasco-Gimenez, Ramon; Riedemann, Javier IEEE (2015)
      This paper proposes the use of a transformer-less DC-DC Modular Multilevel Converter (MMC) topology, based on cascaded H-bridge converters, for power flow control in High Voltage Direct Current (HVDC) grids used to ...
    • openAccess   Power management strategies and energy storage needs to increase the operability of photovoltaic plants 

      Beltran, Hector; Etxeberria-Otadui, Ion; Belenguer Balaguer, Enrique; Rodríguez, Pedro American Institute of Physics (2012)
      This paper analyzes the effect of introducing an energy storage (ES) system in an intermittent renewable energy power plant such as a photovoltaic (PV) installation. The aim of this integration is to achieve an improvement ...
    • closedAccess   Wind power plant integration in voltage source converter HVdc grids with voltage droop control 

      Añó-Villalba, Salvador; Blasco-Gimenez, Ramon; Bernal-Pérez, S.; Belenguer Balaguer, Enrique Elsevier (2018)
      This paper introduces the use of a diode-based HVdc rectifier for the integration of a large off-shore wind power plant into an existing HVdc voltage source converter-based grid. The proposed control system allows for the ...