Browsing by Author "Campos Gaona, David"

Now showing items 1-7 of 7

    • An approximated analytical model for pole-to-ground faults in symmetrical monopole MMC-HVDC systems 

      Albernaz Lacerda Freitas, Vinícius; Machado Monaro, Renato; Campos Gaona, David; Peña Alzola, Rafael; Coury, Denis V. (Institute of Electrical and Electronics Engineers (IEEE), 2021-12)
      Article
      Open Access
      Developing pole-to-ground (PG) fault models for Modular Multilevel Converters (MMC) is not straight forward due to the fault asymmetry and converter switching concerning blocking characteristics. Various studies have been ...

    • Comparative analysis of fault detection and classification techniques for HVDC grids protection 

      Albernaz Lacerda Freitas, Vinícius; Campos Gaona, David; Peña Alzola, Rafael; Machado Monaro, Renato; Coury, Denis V.; Anaya Lara, Olimpo (The Institution of Engineering and Technology (IET), 2020)
      Conference report
      Restricted access - publisher's policy
      Dealing with high short-circuit currents with a fast rise rate in Voltage Source Converters (VSCs) still poses as a challenge for High Voltage Direct Current (HVDC) multiterminal system (MTDC) reliability. Several fault ...

    • Control-based fault current limiter for modular multilevel voltage-source converters 

      Albernaz Lacerda Freitas, Vinícius; Machado Monaro, Renato; Peña Alzola, Rafael; Campos Gaona, David; Coury, Denis V.; Anaya Lara, Olimpo (Elsevier, 2020-06)
      Article
      Restricted access - publisher's policy
      The sharp rise in short-circuit currents of voltage-source converters is still a challenge for DC grid reliability, which imposes stringent requirements on DC breakers. Therefore, fault current limiters are used for slowing ...

    • Distance protection algorithm for multiterminal HVDC systems using the Hilbert–Huang transform 

      Albernaz Lacerda Freitas, Vinícius; Machado Monaro, Renato; Campos Gaona, David; Coury, Denis V.; Anaya Lara, Olimpo (2020-08)
      Article
      Open Access
      Multiterminal high-voltage direct current (HVDC) systems still need advances in terms of protection in order to improve their reliability. In this context, the distance protection can play a major role by adding selectivity ...

    • Non-unit distance protection algorithm for multiterminal MMC-HVdc systems using DC capacitor resonance frequency 

      Albernaz Lacerda Freitas, Vinícius; Machado Monaro, Renato; Pena Alzola, Rafael; Campos Gaona, David; Vinicius Coury, Denis (Institute of Electrical and Electronics Engineers (IEEE), 2022-01-06)
      Article
      Open Access
      High-voltage dc (HVdc) transmission has been largely used to interconnect asynchronous systems and integrate renewable energy resources into electrical grids. However, the high short-circuit currents and low-tolerance of ...

    • Novel control approach for a hybrid grid-forming HVDC offshore transmission system 

      Tian, Shangen; Campos Gaona, David; Albernaz Lacerda Freitas, Vinícius; Torres Olguin, Raymundo Enrique; Anaya Lara, Olimpo (2020-04-03)
      Article
      Open Access
      This article describes a hybrid topology of high-voltage direct current (HVDC) for offshore wind farms using a series connection of a voltage source converter (VSC) and six-pulse diode rectifier (6P-DR). In this topology, ...

    • Short-circuit analytical model for modular multilevel converters considering DC cable capacitance 

      Albernaz Lacerda Freitas, Vinícius; Peña Alzola, Rafael; Campos Gaona, David; Machado Monaro, Renato; Anaya Lara, Olimpo; Coury, Denis V. (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Article
      Open Access
      Developing analytical short-circuit models for Modular Multilevel Converters (MMC) is not straightforward due to their switching and blocking characteristics. Short-circuit models for MMCs have been developed previously ...