Browsing NTNU Open by Author "Svarstad, Magni Fjørtoft"

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    • Dynamic analysis of a system with RPT 

      Veie, Carl Andreas (Master thesis, 2018)
      The purpose of this master thesis is to establish and validate a simulation model of the transition from pump to turbine mode of operation for hydropower systems with reversible pump-turbines (RPTs). The model builds on ...

    • Fast Transition between Operational Modes of a reversible Pump-Turbine 

      Svarstad, Magni Fjørtoft (Doctoral theses at NTNU;2019:49, Doctoral thesis, 2019)
      The future demands of energy production to balance more intermittent energy sources creates two main technical challenges for the hydro power production. Increased off-design operation, including both operation outside ...

    • Fast transition from pump to turbine mode of operation 

      Svarstad, Magni Fjørtoft; Nielsen, Torbjørn Kristian (Journal article; Peer reviewed, 2018)
      The reversible pump turbine (RPT) is a suitable machine to control fluctuations in the energy market. The usage of RPTs for this purpose will increase the number of operational mode changes of the machine. In order to ...

    • Pumpe- og turbinkarakteristikker i fire kvadranter 

      Svarstad, Magni Fjørtoft (Master thesis, 2014)
      Reversible pumpeturbiner blir i økende grad brukt for å balansere kraftproduksjonen. Den økte bruken av reversible pumpeturbiner gjør også at det er nødvendig med bedre kjennskap til hvordan maskinen oppfører seg i uønskede ...