Browsing NTNU Open by Author "Ulleberg, Øystein"

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    • Design of Hybrid Fuel Cell/Battery Systems for Maritime Vessels 

      Balestra, Lorenzo (Doctoral theses at NTNU;2022:281, Doctoral thesis, 2022)
      The work described in this thesis encompasses multiple aspects related to the development of hybrid marine power systems utilizing proton exchange membrane fuel cells and batteries. The focus is placed on the definition ...

    • Development of an Electro-Mechanical model for Simulation of Stability in Wind/Diesel/Electrolyser Systems 

      Nilsen, Kim Reily (Master thesis, 2007)
      This thesis is about DC voltage regulation in a wind-hydrogen stand alone power system. A base case in MatLab/Simulink was expanded to include an electrolyser with power electronics and control electronics. It was decided ...

    • Energiforsyning til sykehus i Sudan basert på solenergi 

      Torp, Camilla Bakken (Master thesis, 2008)
      Denne masteroppgaven er gjennomført ved Institutt for Energiteknikk på Kjeller (IFE) i samarbeid med Normeca A/S, våren 2008. Masteroppgaven er avsluttende oppgave av masterstudie i Energi og miljø ved Norges teknisk- ...

    • Fornybare energiløsninger i Antarktis 

      Gammelsæter, Marte (Master thesis, 2008)
      Denne rapporten undersøker muligheten for å introdusere fornybar energiproduksjon i det autonome energisystemet på forskningsstasjonen Troll i Antarktis. Per i dag er stasjonen forsynt med energi fra en dieselgenerator. ...

    • Towards Safety Barrier Analysis of Hydrogen Powered Maritime Vessels 

      Balestra, Lorenzo; Yang, Ruochen; Schjølberg, Ingrid; Utne, Ingrid Bouwer; Ulleberg, Øystein (Chapter, 2021)
      This paper focuses on the use of safety barrier analysis, during the design phase of a vessel powered by cryogenic hydrogen, to identify possible weaknesses in the architecture. Barrier analysis can be used to evaluate a ...