Browsing by Author "7eca3f8e-dee4-4fe6-946f-21fe302a44bf"

Now showing items 1-9 of 9

    • A simplified Space-Vector modulation algorithm for four-leg NPC converters 
      Rojas, Felix; Cárdenas Dobson, Jesús; Kennel, Ralph; Clare, Jon C.; Díaz, Matías (IEEE Inst Electrical and Electronic Engineering Inc., 2017)
      To interface generation sources and loads to fourwire distribution networks it is important to use power converters and modulation methods, which provide high performance, flexibility, and reliability. To achieve these ...
    • A vector control strategy to eliminate active power oscillations in four-leg grid-connected converters under ... 
      Mora, Andrés; Cárdenas Dobson, Jesús; Urrutia, Matías; Rettig Espinoza, Mauricio Alfredo; Díaz, Matías (IEEE, 2020)
      The problems associated with active power oscillations (APOs) in grid-connected converters are well-known. Imbalances in the grid usually produce double-frequency oscillations in the dc-link voltage and current which could ...
    • An Overview of Modelling Techniques and Control Strategies for Modular Multilevel Matrix Converters 
      Díaz, Matías; Cárdenas, Roberto; Ibaceta, Efraín; Mora, Andrés; Urrutia, Matías; Rettig Espinoza, Mauricio Alfredo; Rojas, Félix; Wheeler, Patrick (MDPI, 2020)
      The Modular Multilevel Matrix Converter is a relatively new power converter topology appropriate for high-power Alternating Current (AC) to AC purposes. Several publications in the literature have highlighted the converter ...
    • Control of a modular multilevel matrix converter for unified power flow controller applications 
      Durán, Alberto; Ibaceta, Efraín; Díaz, Matías; Rojas, Félix; Cárdenas Dobson, Jesús; Chávez, Héctor (MDPI, 2020)
      The modular multilevel matrix converter has been proposed as a suitable option for high power applications such as flexible AC transmission systems. Among flexible AC transmission systems, the unified power flow controller ...
    • Control of wind energy conversion systems based on the modular multilevel matrix converter 
      Díaz, Matías; Cárdenas Dobson, Jesús; Espinoza, Mauricio; Rojas, Felix; Mora, Andrés; Clare, Jon C.; Wheeler, Pat (IEEE Institute of Electrical and Electronics Engineers, 2017)
      The nominal power of single wind energy conversion systems (WECS) has been steadily increasing, now reaching power ratings close to 10 MW. In the power conversion stage, medium-voltage power converters are replacing the ...
    • Design and implementation of a low-cost real-time control platform for power electronics applications 
      Aravena, José; Carrasco, Dante; Díaz, Matías; Uriarte, Matías; Rojas, Félix; Cárdenas Dobson, Jesús; Travieso, Juan (MDPI, 2020)
      In recent years, different off-the-shelf solutions for the rapid control prototyping of power electronics converters have been commercialised. The main benefits of those systems are based on a fast and easy-to-use environment ...
    • Resonant control system for low-voltage ride-through in wind energy conversion systems 
      Cárdenas Dobson, Jesús; Díaz, Matías; Rojas, Félix; Clare, Jon; Wheeler, Pat (Inst Engineering Technology-IET, 2016)
      Owing to the high penetration of electrical energy from wind energy conversion systems (WECSs), some countries are enforcing stringent grid codes to regulate low-voltage-ride-through (LVRT) operation of WECSs. This study ...
    • Search for Nearby Earth Analogs .III. Detection of 10 New Planets, 3 Planet Candidates, and Confirmation ... 
      Feng, Fabo; Shectman, Stephen A.; Clement, Matthew S.; Vogt, Steven S.; Tuomi, Mikko; Teske, Johanna K.; Burt, Jennifer; Crane, Jeffrey D.; Holden, Bradford; Xuesong Wang, Sharon; Thompson, Ian B.; Díaz, Matías; Butler, R. Paul (IOP Publishing, 2020)
      Earth-sized planets in the habitable zones of M dwarfs are good candidates for the study of habitability and detection of biosignatures. To search for these planets, we analyze all available radial velocity data and apply ...
    • The Magellan PFS planet search program: radial velocity and stellar abundance analyses of the 360 au, ... 
      Teske, Johanna K.; Shectman, Stephen A.; Vogt, Steve S.; Díaz, Matías; Butler, R. Paul; Crane, Jeffrey D.; Thompson, Ian B.; Arriagada, Pamela (2016)
      We present a new precision radial velocity (RV) data set that reveals multiple planets orbiting the stars in the similar to 360 au, G2+G2 "twin" binary HD 133131AB. Our six years of high-resolution echelle observations ...