Now showing items 21-34 of 34

    • Heuristic optimization of supplementary controller for VSC-HVDC/AC interconnected grids considering PLL 

      Rakhshani, Elyas; Rouzbehi, Kumars; Atef Abbas Elsaharty, Mohamed; Rodríguez Cortés, Pedro (Taylor & Francis, 2017-01-01)
      Article
      Open Access
      This paper presents a new approach to enhance the dynamic responses of AGC in power systems by means of heuristic optimization of VSC-HVDC supplementary controllers. The upcoming power electronics-based VSC-HVDC transmission ...
    • Identification and local linear control of a DC-DC buck converter using local model networks 

      Rouzbehi, Kumars; Miranian, Arash; Rakhshani, Elyas; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (IEEEXPLORE, 2013)
      Conference report
      Restricted access - publisher's policy
    • Identification and maximum power point tracking of photovoltaic generation by a local neuro-fuzzy model 

      Rouzbehi, Kumars; Miranian, Arash; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2012)
      Conference report
      Restricted access - publisher's policy
      With the rapid proliferation of the DC distribution systems, special attentions are paid to the photovoltaic (PV) generations. This paper addresses the problem of maximum power point tracking (MPPT) for PV systems using a ...
    • Integration of renewable generation for frequency support of HVDC/AC interconnected systems under power market scenario 

      Rakhshani, Elyas; Remón, D.; Mir Cantarellas, Antonio; Rouzbehi, Kumars; Rodríguez Cortés, Pedro (2014)
      Conference lecture
      Restricted access - publisher's policy
      This paper proposes a modified model for active power/ frequency support of multi-area power system analysis that takes into account the effects of AC/DC systems under deregulated environment of the power market. The AC ...
    • Intelligent voltage control in a DC micro-grid containing PV generation and energy storage 

      Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2014)
      Conference lecture
      Restricted access - publisher's policy
      This paper proposes an intelligent control scheme for DC voltage regulationin a DC micro-grid integrating photovoltaic (PV) generation, energy storage and electric loads. The maximum power generation of the PV panel is ...
    • Multi-terminal HVDC grids control and operation 

      Rouzbehi, Kumars (Universitat Politècnica de Catalunya, 2016-03-29)
      Doctoral thesis
      Open Access
      In recent years, there have been considerable efforts in the design and development of technologies and techniques for more efficient harvesting of renewable energy resources to meet the ever increasing electric power ...
    • Multi-terminal HVDC grids with inertia mimicry capability 

      Zhang, Weiyi; Rouzbehi, Kumars; Luna Alloza, Álvaro; Gharehpetian, Gevorg B.; Rodríguez Cortés, Pedro (2016-06-23)
      Article
      Open Access
      The high-voltage multi-terminal dc (MTDC) systems are foreseen to experience an important development in the next years. Currently, they have appeared to be a prevailing technical and economical solution for harvesting ...
    • Multiterminal DC grids: operating analogies to AC power systems 

      Rouzbehi, Kumars; Candela García, José Ignacio; Gharehpetian, Gevorg B.; Harnefors, Lennart; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2016-12-06)
      Article
      Restricted access - publisher's policy
      Nowadays, some Multi-terminal DC (MTDC) systems are in operation around the world. Soon, MTDC grids will be built and overlay the present AC grids. The main driver for the construction of such a grid is to facilitate ...
    • Optimized control of multi-terminal DC grids using particle swarm optimization 

      Rouzbehi, Kumars; Miranian, Arash; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2015-10-29)
      Article
      Open Access
      The electric networks of the future will make an extensive use of DC grids. Therefore, the control of Multi-terminal DC (MTDC) grids is a key issue, which is gathering the attention of the industry and the research community. ...
    • Optimized control of multi-terminal DC GridsUsing particle swarm optimization 

      Rouzbehi, Kumars; Miranian, Arash; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2013)
      Conference lecture
      Restricted access - publisher's policy
      This paper addresses the important issue of Multi-Terminal DC (MTDC) grid control strategy based on the particle swarm optimization (PSO) technique. The MTDC grid is controlled by the concept of vector control, in which ...
    • Proposals for flexible operation of multi-terminal DC grids: introducing flexible DC transmission system (FDCTS) 

      Rouzbehi, Kumars; Miranian, Arash; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      The current route of achieving the ultimate plan for flawless operation and control of the multi-terminal DC (MTDC) grids can be significantly accelerated by learning from the vast and valuable experiences gained from the ...
    • Single-phase modeling approach in dynamic harmonic domain 

      Karami, Ehsan; Madrigal, Manuel; Gharehpetian, Gevorg B.; Rouzbehi, Kumars; Rodríguez Cortés, Pedro (2017-03-24)
      Article
      Open Access
      In this paper, a frequency-based analytical approach is presented for dynamic analysis of three-phase balanced systems in the presence of harmonic distortion based on single-phase analysis. By providing mathematical ...
    • Towards fully controllable multi-terminal DC grids using flexible DC transmission systems 

      Rouzbehi, Kumars; Miranian, Arash; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference lecture
      Restricted access - publisher's policy
      This paper develops a flexible DC transmission system (FDCTS) to power control and load flow control within the multi-terminal (MTDC) grids. The FDCTS include static power electronics-based elements for electric energy ...
    • Unified reference controller for flexible primary control and inertia sharing in multi-terminal voltage source converter-HVDC grids 

      Rouzbehi, Kumars; Zhang, Weiyi; Candela García, José Ignacio; Luna Alloza, Álvaro; Rodríguez Cortés, Pedro (2016-10-11)
      Article
      Open Access
      Multi-terminal dc (MTDC) grids are expected to be built and experience rapid expansion in the near future as they have emerged as a competitive solution for transmitting offshore wind generation and overlaying their ac ...