• Test of a Francis turbine with variable speed operation 

      Langleite, Gro Mari Kjellstadli (Master thesis, 2020)
      I disse dager med utfordringer knyttet til frekvens responsen på nettet, kan Francis turbiner ha mulighet til å tilføre mer intermitterende energi på nettet. Dessverre kan løpehjulet oppleve utmatning eller sprekke grunnet ...
    • Variable-speed operation and pressure pulsations in a Francis turbine and a pump-turbine 

      Iliev, Igor; Trivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar (Journal article; Peer reviewed, 2019)
      The paper presents result from model measurements of the efficiency and pressure pulsation intensities for two low-specific-speed hydraulic turbines operated at variable speed, namely, one splitter-bladed Francis turbine ...