• Dynamisk minstevannføring i et miljødesignperspektiv: Kobling av hydrologiske og biologiske faktorer 

  Sundt-Hansen, Line; Robertsen, Grethe; Schönfelder, Lennart; Ugedal, Ola (HydroCen Rapport;50, Research report, 2024)

  Laksen er tilpasset et liv i rennende vann og til et sesongmønster avhengig av hvilken elv og bestand den kommer fra. Regulerte elver har et vannføringsmønster som kan avvike fra det naturlige og i mange tilfeller er det ...

• Swelling minerals and swelling pressure measurement techniques for intact rocks 

  Panthi, Krishna Kanta (HydroCen Rapport;41, Research report, 2024)

  Several Norwegian and international hydropower tunnels have experienced tunnel collapses caused by both presence of swelling rocks and swelling clays in the weakness zones. A PhD project was developed under HydroCen to ...

• Study on the effect of frequent start‐stop sequences in Norwegian hydropower plants 

  Panthi, Krishna Kanta (HydroCen Rapport;46, Research report, 2024)

  Several Norwegian hydropower tunnels have experienced block falls and tunnel collapses due to operational changes for last 30 years. A PhD project was developed under HydroCen to study the Long‐term impacts on unlined ...

• eDNA-SUSTAIN: Implementing eDNA as a tool for assessing sustainable operation of hydropower production 

  Fossøy, Frode; Majaneva, Markus; Sundt, Håkon; Halleraker, Jo Halvard (HydroCen brief;43, Report, 2024)

• Bærekraft innen vannkraft: Hvordan norske vannkraftprodusenter vurderer og håndterer nye muligheter 

  Köhler, Berit; Ruud, Audun; Rønning, Bente (HydroCen Rapport;54, Research report, 2024)

  Denne rapporten undersøker hvordan norske vannkraftprodusenter vurderer bærekraft og håndterer utfordringer knyttet til miljøtilpasninger og internasjonale krav. Resultatene fra en spørreundersøkelse blant de 25 selskapene ...

• Non-destructive condition assessment methodology for generator bars - Investigating Partial Discharge Activity in Stator Coils Under Multi-Stress Accelerated Aging 

  Kantar, Emre; Eberg, Espen (HydroCen Rapport;52, Research report, 2024)

  During the intermittent operation of power stations, the stator mainwall insulation is subjected to in-creased thermomechanical stress, which can lead to insulation failure. This study employs multi-stress testing involving ...

• Genetisk forskjell og struktur hos ørretbestandene i Garbergselva, Tømra, Renåa og Nea 

  Wacker, Sebastian; Hagen, Ingerid; Karlsson, Sten; Lie, Erik Friele; Berger, Hans Mack; Forseth, Torbjørn; Sundt-Hansen, Line Elisabeth (HydroCen Rapport;37, Research report, 2024)

  Selbusjøen har en storørretbestand av stor nasjonal verdi og bestanden i Selbusjøen benytter sideelver til gyting og rekruttering. Vassdraget er regulert og for å undersøke betydningen av uregulerte sidevassdrag ble elvene ...

• Fatigue loads on Francis turbines 

  Faudot, Celine (HydroCen brief;35, Report, 2023)

• Flexible Hydropower Unit - HydroCen WP2.5 

  Uhlen, Kjetil Obstfelder; Reigstad, Tor Inge; Hegglid, Gunne John; Monshizadeh, Shohreh (HydroCen Rapport;51, Research report, 2024)

  En overordnet målsetting og forskningstema i denne arbeidspakken har vært å utvikle løsninger som bidrar til mer effektiv drift av kraftsystemet. Effektiv drift betyr i denne sammenhengen å kunne øke utnyttelsen av kraftnettet ...

• Måling, beregning og modellering av dynamikk og dynamisk belastning i vannkraftsystemer 

  Reigstad, Tor Inge (HydroCen brief;42, Report, 2024)

• Erosion on Pelton turbines 

  Abregu, Jim (HydroCen brief;38, Report, 2024)

• Study of Labyrinth Seals of Francis Turbines for Sediment-laden Hydropower 

  Rijal, Mamata (HydroCen brief;36, Report, 2024)

• Ombygging av vannkraftverk til pumpekraftverk: Tunnelsystemet 

  Pitorac, Livia (HydroCen brief;32, Report, 2024)

• Resonance and pressure pulsations in High Head Francis Runner 

  Solemslie, Bjørn Winther (HydroCen brief;31, Report, 2024)

• Artsmangfold i magasiner 

  Majaneva, Markus (HydroCen brief;30, Report, 2024)

• Characterization of a novel counter-rotating dual mechanical port PM machine using space harmonics in the magnetic field 

  Desmedt, Michiel (HydroCen brief;34, Report, 2024)

• Hydropower investment decisions. The ProdRisk-Shop simulator: decision support tool for revenue calculations 

  Rex, Stefan; Mo, Birger; Schäffer, Linn Emelie; Mathisen, Siri (HydroCen Rapport;45, Report, 2024)

  The transition to a renewable based power system induces new opportunities and challenges for hydro-power producers. In the Nordic region, reservoir hydropower is expected to play a key role in smoothing out variability ...

• Collaboration between HydroCen and FishPass 

  da Silva, Ana Teixeira (HydroCen brief;26, Report, 2023)

• Environmental constraints in stochastic hydropower scheduling for long planning horizons 

  Schäffer, Linn Emelie (HydroCen brief;28, Report, 2023)

• Snow Storage Information in Hydropower Scheduling: With application in the SDDP-based ProdRisk model 

  Helseth, Arild (HydroCen Rapport;44, Research report, 2024)

  This report concerns the use of snow storage information to improve hydropower scheduling. More specifically, a technique for embedding snow storage information in the stochastic dual dynamic programming (SDDP) is presented ...

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