A synoptic history of the development, production and environmental oversight of hydropower in Brazil, Canada, and Norway. Alfredsen, K.; Amundsen, P.-A.; Hahn, L.; Harrison, P.M.; Helland, Ingeborg Palm; Martins, E.G.; Twardek, W.M.; Power, M..Hydrobiologia 2021 ;Volum 849. s. 269-280 

Backtesting coordinated hydropower bidding using neural network forecasting. Bringedal, Amanda Sæbø; Søvikhagen, Anne-Marthe; Aasgård, Ellen Krohn; Fleten, Stein-Erik.Energy Systems, Springer Verlag 2021 

Pattern Recognition of Inter-Turn Short Circuit Fault in a Synchronous Generator using Magnetic Flux. Ehya, Hossein; Nysveen, Arne. IEEE transactions on industry applications 2021

Advanced Fault Detection of Synchronous Generators using Stray Magnetic Field. Ehya, Hossein; Nysveen, Arne; Alfonso Antonino Daviu, Jose.IEEE transactions on industrial electronics (1982. Print) 2021

Efficiency of Pressurized Rock Traps for Unlined Hydropower Tunnels.Havrevoll, Ola Haugen; Vereide, Kaspar; Lia, Leif.  Energies 2021 ;Volum 14.(14)

Assessing visual preferences of the local public for environmental mitigation measures of hydropower impacts—does point‐of‐view location make a difference?. Köhler, Berit; Sundt, Håkon. Water 2021 ;Volum 13.(21) s. 1-22

Long-term impact on unlined tunnels of hydropower plants due to frequent start/stop sequences. Neupane, Bibek; Panthi, Krishna Kanta.Trondheim: NTNU 2021 (ISBN 978-82-326-5384-3) 143 s. Doctoral theses at NTNU(Doctoral theses at NTNU, 2021:400)

Cyclic fatigue in unlined hydro tunnels caused by pressure transients. Neupane, Bibek; Panthi, Krishna Kanta; Vereide, Kaspar. International journal on hydropower and dams 2021 ;Volum 2021.(Issue 5) s. 46-54

Internal hydro- and wind portfolio optimisation in real-time market operations. Riddervold, Hans Ole; Aasgård, Ellen Krohn; Haukaas, Lisa; Korpås, Magnus. Renewable Energy 2021 ;Volum 173. s. 1-13


Compositional Features and Swelling Potential of Two Weak Rock Types Affecting Their Slake Durability. Selen, Lena; Panthi, Krishna Kanta; Mørk, Mai Britt Engeness; Sørensen, Bjørn Eske. Geotechnics 2021 ;Volum 1.(9) s. 172-191

Regionalized linear models for river depth retrieval using 3-band multispectral imagery and green lidar data. Sundt, Håkon; Alfredsen, Knut; Harby, Atle. Remote Sensing 2021 ;Volum 13.(19) s. 1-22

Utvidet miljødesign i demovassdrag Nea.Sundt-Hansen, Line Elisabeth Breivik; Forseth, Torbjørn; Harby, Atle; Bongard, Terje; Fossøy, Frode; Hagen, Ingerid Julie; Köhler, Berit; Majaneva, Markus; Sivertsgård, Rolf; Skoglund, Helge; Margrethe, Skår; Sundt, Håkon.  Trondheim: Norsk institutt for naturforskning 2021 (ISBN 978-82-93602-23-1) 132 s. Hydrocen rapport(22)
 

Rock Stress Estimation for Unlined Pressure Tunnel Design. Ødegaard, Henki.
Trondheim: NTNU Universitetsbiblioteket 2021 (ISBN 978-82-326-6139-8) 151 s. Doctoral theses at NTNU(2021:345)

Leakage Vortex Progression through a Guide Vane’s Clearance Gap and the Resulting Pressure Fluctuation in a Francis Turbine. Acharya, Nirmal; Gautam, Saroj; Chitrakar, Sailesh; Trivedi, Chirag; Dahlhaug, Ole Gunnar. Energies. vol. 14. 2021.

Considering sampling bias in close-kin mark–recapture abundance estimates of Atlantic salmon. Wacker, Sebastian; Skaug, Hans Julius; Forseth, Torbjørn; Solem, Øyvind; Ulvan, Eva Marita; Fiske, Peder; Karlsson, Sten. Ecology and Evolution, 2021.

Rock Stress Measurements for Unlined Pressure Tunnels: A True Triaxial Laboratory Experiment to Investigate the Ability of a Simplified Hydraulic Jacking Test to Assess Fracture Normal Stress. Ødegaard, H., Nilsen, B. Rock Mech Rock Eng (2021).

Flexible Sandtraps - Final Report. Kaspar Vereide, Wolfgang Richter, Ola Haugen Havrevoll, Kiflom Belete, Usha Shresta, Ushanth Navaratnam, Gasper Mauko, Leif Lia. HydroCen Report 20, 2021 

Pattern Recognition of Inter-Turn Short Circuit Fault in a Synchronous Generator using Magnetic Flux. Ehya, Hossein; Nysveen, Arne. IEEE transactions on industry applications  2021 
NTNU 

Static, Dynamic and Mixed Eccentricity Faults Detection of Synchronous Generators based on Advanced Pattern Recognition Algorithm.  Ehya, Hossein; Nysveen, Arne; Alfonso Antonino Daviu, Jose. 13th Edition of the IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED 2021); 2021-08-22 - 2021-08-25 
NTNU 

 
Inter-turn Short Circuit Fault Identification of Salient Pole Synchronous Generators by Descriptive Paradigm.  Ehya, Hossein; Nysveen, Arne; Alfonso Antonino Daviu, Jose; Akin, Bilal. IEEE Energy Conversion Congress and Expo (ECCE 201); 2021-10-10 - 2021-10-14 
NTNU 

Performance Evaluation of Signal Processing Tools Used for Fault Detection of Hydro-generators Operating in Noisy Environments.  Ehya, Hossein; Nysveen, Arne; Skreien, Tarjei N.  IEEE transactions on industry applications 2021 
NTNU  

Buckling analogy for 2D deformation of placed ripraps exposed to overtopping.  
Hiriyanna Rao Ravindra, Ganesh; Sigtryggsdottir, Fjola Gudrun; Lia, Leif. Journal of Hydraulic Research 2021 ;Volum 59.(1) s. 109-119 
NTNU 

A Conflict between Traditional Flood Measures and Maintaining River Ecosystems? A Case Study Based Upon the River Lærdal, Norway.   
Juarez, Ana; Alfredsen, Knut; Stickler, Morten; Adeva Bustos, Ana; Suarez, Rodrigo; Seguin García, Sonia; Hansen, Bendik Kristoffer Torp. Water 2021 ;Volum 13.(14) s. - 
ENERGISINT USN NTNU 

 
Effects of toe configuration on throughflow properties of rockfill dams. 
Kiplesund, Geir Helge; Hiriyanna Rao Ravindra, Ganesh; Rokstad, Marius Møller; Sigtryggsdottir, Fjola Gudrun.  Journal of Applied Water Engineering and Research 2021 
NTNU 

Investigation on the Effect of Cyclic Moisture Change on Rock Swelling in Hydropower Water Tunnels.  Selen, Lena; Panthi, Krishna Kanta; Vergara, Maximiliano R.; Mørk, Mai Britt Engeness. Rock Mechanics and Rock Engineering 2021 ;Volum 54. s. 463-476 
NTNU 

Improved design of unlined air cushion surge chambers.  
Ødegaard, Henki; Vereide, Kaspar; Nilsen, Bjørn. International journal on hydropower and dams 2021 ;Volum 28.(1) s. 92-98 
NTNU 

Validation of a Swimming Direction Model for the Downstream Migration of Atlantic Salmon Smolts. Szabo-Meszaros, Marcell; Silva, Ana T.; Bærum, Kim Magnus; Baktoft, Henrik; Alfredsen, Knut; Hedger, Richard David; Økland, Finn; Gjelland, Karl Øystein; Fjeldstad, Hans-Petter; Calles, Olle; Forseth, Torbjørn.  Water 2021 ;Volum 13.(9) 
SINTEF ENERGI NINA NTNU 

Operation of Norwegian Hydropower Plants and Its Effect on Block Fall Events in Unlined Pressure Tunnels and Shafts.  Neupane, Bibek; Vereide, Kaspar; Panthi, Krishna Kanta. Water 2021 ;Volum 13.(11) NTNU 

Fluid Flow and Leakage Assessment Through an Unlined/Shotcrete Lined Pressure Tunnel: A Case from Nepal Himalaya.  Panthi, Krishna Kanta; Basnet, Chhatra Bahadur. Rock Mechanics and Rock Engineering 2021 ;Volum 54. s. 1687-1705 
NTNU 

Evaluation on the Effect of Pressure Transients on Rock Joints in Unlined Hydropower Tunnels Using Numerical Simulation.  Neupane, Bibek; Panthi, Krishna Kanta. Rock Mechanics and Rock Engineering 2021 ;Volum 54. s. 2975-2994 
NTNU 

Trailing edge vortex shedding in hydraulic turbines and the effect of stream-wise vorticity on vortex induced vibrations, 2021. Doktorgradsavhandling, Kristian Sagmo. 

Intelligent Data-driven Diagnosis of Incipient Inter-turn Short Circuit Fault in Field Winding of Salient Pole Synchronous Generators. Hossein Ehya, Tarjei Skreien, Arne Nysveen. IEEE Transactions on Industrial Informatics, 2021 

Comprehensive Broken Damper Bar Fault Detection of Synchronous Generators. Ehya, Hossein; Nysveen, Arne. IEEE transactions on industry applications 2021 
NTNU 

The Noise Effects on Signal Processors Used for Fault Detection Purpose, H. Ehya, T. N. Skreien, A. Nysveen and R. Nilssen, 2020 23rd International Conference on Electrical Machines and Systems (ICEMS), Hamamatsu, Japan, 2020, pp. 183-188,

Riprap to resist wave and ice loads acting on the upstream slope of an embankment dam. Sigtryggsdottir, Fjola Gudrun. I: PROCEEDINGS OF THE 25th INTERNATIONAL SYMPOSIUM ON ICE Trondheim, Norway, 23rd – 25th November 2020. IAHR International Symposium on Ice 2020 ISBN 978-82-7598-120-0. 
NTNU 

Modelling of Environmental Constraints for Hydropower Optimization Problems – a Review. Schaffer, Linn Emelie; Adeva Bustos, Ana; Bakken, Tor Haakon; Helseth, Arild; Korpås, Magnus. I: 2020 17th International Conference on the European Energy Market - EEM. IEEE 2020 ISBN 978-1-7281-6919-4. ENERGISINT NTNU

Nonconvex Environmental Constraints in Hydropower Scheduling. Helseth, Arild; Mo, Birger; Hågenvik, Hans Olaf. I: 2020 International Conference on Probabilistic Methods Applied to Power Systems - PMAPS. IEEE 2020 ISBN 978-1-7281-2822-1. 
ENERGISINT

Condition Monitoring of Wound Field Synchronous Generator under Inter-turn Short Circuit Fault utilizing Vibration Signal, H. Ehya, G. Lyng Rødal, A. Nysveen and R. Nilssen, 23rd International Conference on Electrical Machines and Systems (ICEMS), Hamamatsu, Japan, 2020, pp. 177-182

Pattern Recognition of Inter-Turn Short Circuit Fault in Wound Field Synchronous Generator via Stray Flux Monitoring. H. Ehya, A. Nysveen and R. Nilssen. 2020 International Conference on Electrical Machines (ICEM), Gothenburg, 2020, pp. 2631-2636

Detailed Magnetic Field Monitoring of Short Circuit Defects of Excitation Winding in Hydro-generator. H. Ehya, A. Nysveen, I. L. Groth and B. A. Mork. 2020 International Conference on Electrical Machines (ICEM), Gothenburg, 2020, pp. 2603-2609,

A Practical Approach for Static Eccentricity Fault Diagnosis of Hydro-Generators. H. Ehya, A. Nysveen and R. Nilssen.  2020 International Conference on Electrical Machines (ICEM), Gothenburg, 2020, pp. 2569-2574, 

Time Domain Signature Analysis of Synchronous Generator under Broken Damper Bar Fault. H. Ehya, A. Nysveen, R. Nilssen and U. Lundin. IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, Lisbon, Portugal, 2019, pp. 1423-1428

Impact on hydropower plant income from participating in reserve capacity markets. Haugen, Mari; Schaffer, Linn Emelie; Mo, Birger; Helseth, Arild. I: 2020 17th International Conference on the European Energy Market - EEM. IEEE 2020 ISBN 978-1-7281-6919-4. ENERGISINT

Variable Speed Hydropower Conversion and Control. Reigstad, Tor Inge; Uhlen, Kjetil. IEEE transactions on energy conversion 2020 ;Volum 35.(1) s. 386-393 
NTNU

Buckling analogy for 2D deformation of placed ripraps exposed to overtopping.Hiriyanna Rao Ravindra, Ganesh; Sigtryggsdottir, Fjola Gudrun; Lia, Leif.Journal of Hydraulic Research 2020, NTNU

Description of failure mechanism in placed riprap on steep slope with unsupported toe using smartstone probes. Hiriyanna Rao Ravindra, Ganesh; Gronz, Oliver; Dost, Bastian; Sigtryggsdottir, Fjola Gudrun. Engineering structures 2020 ;Volum 221. NTNU

Physical model study on discharge over a dam due to landslide generated waves. Tessema, Netsanet; Sigtryggsdottir, Fjola Gudrun; Lia, Leif; Jabir, Asie.Water 2020 ;Volum 12.(1) s. 1-19 NTNU

Pool-Type Fishway Design for a Potamodromous Cyprinid in the Iberian Peninsula: The Iberian Barbel—Synthesis and Future Directions. Silva, Ana T.; Bermúdez, María; Santos, Jose Maria; Rabunal, Juan R.; Puertas, Jerónimo. Sustainability 2020 ;Volum 12. 
NINA

Experimental and Numerical Determination of the Head Loss of a Pressure Driven Flow through an Unlined Rock-Blasted Tunnel. Aberle, Jochen; Henry, Pierre-Yves T; Kleischmann, Fabian; Navaratnam, Christy Ushanth; Vold, Mari; Eikenberg, Ralph; Olsen, Nils Reidar Bøe.ater 2020 ;Volum 12.(12) NTNU NMBU 
 

Applying the ProdRisk- SHOP simulator for investment decisions. Birger Mo, Hans Olaf Hågenvik SINTEF Energy Research. HydroCen Report 2020

AlternaFuture - Final Report. Vereide, Kaspar; Mo, Birger; Forseth, Torbjørn; Lia, Leif; Nysveen, Arne; Dahlhaug, Ole Gunnar; Schäffer, Linn Emelie; Bustos, Ana Adeva; Sundt-Hansen, Line; Øvregård, Eirik; Glimen, Pål; Hesthagen, Trygve; Skår, Margrete; Nielsen, Torbjørn Kristian. HydroCen Report 18, 2020.

Flomdempingstjenester i utvidet miljødesign - Beskrivelse og uttesting av system for klassifisering av flomdempingspotensial i regulerte vassdrag. Hansen, Bendik; Harby, Atle. Norwegian Research Centre for Hydropower Technology. 2020.

Multimarket modelling. Haugen, M., Schäffer, L.E.HydroCen Report 16. Norwegian Research Centre for Hydropower Technology. 2020.

Modelling batteries. Documentation of testing of using hydropower modules to model batteries in ProdRisk and EMPSW.  Schäffer, L.E. HydroCen Report 15. Norwegian Research Centre for Hydropower Technology. 2020.

Can Energy Depletion of Wild Atlantic Salmon Kelts Negotiating Hydropower Facilities Lead to Reduced Survival? Baktoft, Henrik; Gjelland, Karl Øystein; Szabo-Meszaros, Marcell; Silva, Ana T.; Riha, Milan; Økland, Finn; Alfredsen, Knut; Forseth, Torbjørn. Sustainability 2020 ;Volum 12.(18) ENERGISINT NINA NTNU

Detailed engineering geological assessment of a shotcrete lined pressure tunnel in the Himalayan rock mass conditions: a case study from Nepal. Basnet, Chhatra Bahadur; Panthi, Krishna Kanta. Bulletin of Engineering Geology and the Environment 2020 ;Volum 79.(Issue 1) s. 153-184 NTNU

Optimization of Francis Turbines for Variable Speed Operation Using Surrogate Modeling Approach. Iliev, Igor; Tengs, Erik Os; Trivedi, Chirag; Dahlhaug, Ole Gunnar.Journal of Fluids Engineering - Trancactions of The ASME 2020 ;Volum 142.(10) NTNU

Comparison of Intelligent Algorithms with FACTS Devices for Minimization of Total Power Losses. Monshizadeh, Shohreh; Hegglid, Gunne John; Hagen, Svein Thore. Advances in Intelligent Systems and Computing 2020 ;Volum 926. s. 120-131, USN

Effect of power plant operation on pore pressure in jointed rock mass of an unlined hydropower tunnel: An experimental study. Neupane, Bibek; Panthi, Krishna Kanta; Vereide, Kaspar. Rock Mechanics and Rock Engineering 2020 ;Volum 53.(Issue 7) s. 3073-3092
NTNU

An analysis on the slaking and disintegration extent of weak rock mass of the water tunnels for hydropower project using modified slake durability test. Selen, Lena; Panthi, Krishna Kanta; Vistnes, Gunnar. Bulletin of Engineering Geology and the Environment 2020 ;Volum 79.(Issue 4) s. 1919-1937, NTNU

An analysis on the slaking and disintegration extent of weak rock mass of the water tunnels for hydropower project using modified slake durability test. Selen, Lena; Panthi, Krishna Kanta; Vistnes, Gunnar. Bulletin of Engineering Geology and the Environment 2020 ;Volum 79.(Issue 4) s. 1919-1937, NTNU

HydroCen is a Centre for Environment-friendly Energy Research (FME). The FME scheme is established by the Norwegian Research Council.