PUBLICATIONS

2020

QUARANTA, E., BONJEAN, M., CUVATO, D., NICOLET, C., DREYER, M., GASPOZ, A., REY-MERMET, S., BOULICAUT, B., PRATALATA, L., PINELLI, M., TOMASELLI, G., PINAMONTI, P., PICHLER, R., TURIN, P., TURRIN, D., FOUST, J., TRUMBO, B., AHMANN, M., MODERSITZKI, M., KIST, S., MOSCA, C., MALERBA, C., FRANCESCONI, A., CASOLI, I., FERRARI, R., STEFANI, V., SCIBETTA, M., MEUCCI, L., GOSTNER, W., BERGAMIN, R., DE PRETTO, F., TURCATO, D., KOCHER, V., LEFAUCHEUX, P., ELMAATAOUI, A., MARIUCCI, M., SARMA, P., SLACHMUYLDERS, G., CLEMENTI, R., PASUT, F., BRAGATO, N.,
Hydropower Case Study Collection: Innovative Low Head and Ecologically Improved Turbines, Hydropower in Existing Infrastructures, Hydropeaking Reduction, Digitalization and Governing Systems. Sustainability 2020, 12, 8873.
Link to the article

A. Gaspoz, J. Decaix, V. Hasmatuchi and C. Münch-Alligné, M. Dreyer, C. Nicolet, S. Crettenand,
Production flexibility of small run-of-river power plants: KWGO case study, Proc. of HYDRO2020, Virtual Conference, 26-28 October 2020.

M. Seyfeddine, S. Vorlet and G. De Cesare, N. Adam, C. Nicolet, B. Valluy,
Hybrid modeling and design review of throttled surge tanks, Proc. of HYDRO2020, Virtual Conference, 26-28 October 2020.
Read the full article (PDF 1.3 Mo)

CASSANO, S, NICOLET, C., SOSSAN, F.,
Reduction of Penstock Fatigue in a Medium-Head Hydro Power Plant Providing Frequency Control, Proc. 55th UPEC 2020, Torino, Italy, September 1-4, 2020.
Link to the article

REY-MERMET, S., NICOLET, C., DREYER, M., BOULICAUT, B.,
Un clone numérique pour gérer les actifs, Electro-Suisse, VSE-ASE, Bulletin, 2/2020, pp. : 45-48.
Read the full article (PDF 0.9 Mo)

BRIONGOS, F., PLATERO, C. A., SÁNCHEZ-FERNÁNDEZ, J. A., NICOLET, C.,
Evaluation of the Operating Efficiency of a Hybrid Wind–Hydro Powerplant, Sustainability 2020, Volume 12, Issue 2, 668.
Link to the article

2019

VERA RODRIGUEZ, J.C., RICHTER, W., DE LA TORRE ABIETAR, L., NICOLET, C.,
Design of the tailrace surge tank of Gouvães Pumped Storage Hydropower Plant,(2019), Proc. of HYDRO 2019 Conference, October 14-16, 2019, in Porto, Portugal. Article.pdf [542 Kb]

LANDRY, C., NICOLET, C., GOMES, J., AVELLAN, F.,
Methodology to determine the parameters of the hydraulic turbine governor for primary control,(2019), Proc. of HYDRO 2019 Conference, October 14-16, 2019, in Porto, Portugal. Article.pdf [1’715 Kb]

MUELLER, A., MUENCH-ALLIGNE, C., NICOLET, C., DENIS, V., AVELLAN, F.,
Pushing the envelope: Switzerland’s Approach to unlocking hidden hydropower potential,(2019), Proc. of HYDRO 2019 Conference, October 14-16, 2019, in Porto, Portugal. Article.pdf [2’033 Kb]

NICOLET, C., ALLIGNÉ, S., FURRER, M., FISCHER, D., GROGNUZ, J., CHÈNE O., AND VALLUY, B.
Troubleshooting of Von Karman Induced Penstock Protection Valve Resonance at FMHL+,(2019), Proc. 8th IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, October 9-11, 2019, Stuttgart, Germany. Article.pdf [1’740 Kb]

DREYER, M., NICOLET, C., GASPOZ, A., BINER, D., REY-MERMET, S., SAILLEN, C., BOULICAUT B.
Digital clone for penstock fatigue monitoring,(2019), Proc. 8th IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, October 9-11, 2019, Stuttgart, Germany. Article.pdf [2’675 Kb]

ALLIGNÉ, S., NICOLET, C., CHABLOZ, P., CHAPUIS
Dynamic Closing Modelling of the Penstock Protection Valve for Pipe Burst Simulations, (2019), Proc. 8th IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, October 9-11, 2019, Stuttgart, Germany. Article.pdf [525 Kb]

NICOLET, C., LANDRY, C., ALLIGNÉ, S., BÉGUIN, A.
Francis Turbine Part Load Resonance Risk Analytical Assessment, (2019), SHF – Hydraulic Machinery, Cavitation, 6-7 November 2019, Sion, Switzerland. Article.pdf [1’468 Kb]

FAVREL, A., GOMES J., LANDRY, C., ALLIGNÉ, S., ANDOLFATTO, L., NICOLET C. & AVELLAN F.
Prediction of hydro-acoustic resonances in hydropower plants by a new approach based on the concept of swirl number ,(2019), Journal of Hydraulic Research, DOI: 10.1080/00221686.2018.1555556. Link to Article

2018

RICHTER, W., ZENZ, G., NICOLET, C., LANDRY, C., VERA RODRIGUEZ, J.C., DE LA TORRE ABIETAR, L.,
Hydraulics of the tail race surge tank of Gouvães pumped-storage hydropower, Proc. of 20th International Conference on Hydropower Plants, 14-16 November 2018, Vienna, Austria. Article.pdf [1’874 Kb]

ARPE, J., NICOLET, C., RODIC, P., REJEC, A.,
Experimental investigation of transients in the surge tank physical model of a PSPP, Proc. of 20th International Conference on Hydropower Plants, 14-16 November 2018, Vienna, Austria. Article.pdf [3’807 Kb]

NICOLET, C., DREYER, M., BEGUIN, A., BOLLAERT, E., TORRENT, S., DAYER, J.-D.,
Hydraulic Transient Survey at Cleuson-Dixence with Real-Time Hydro-Clone Monitoring System, Proc. of HYDRO 2018 Conference, October 15-17, 2018, in Gdansk, Poland, Paper 25.02. Article.pdf [1’820 Kb]

LANDRY, C., NICOLET, C., GOMES, J., ANDOLFATTO, L., AVELLAN, F., TODDE, C.,
Renovation of hydraulic power plant: how to select the best technical options?, Proc. of HYDRO 2018 Conference, October 15-17, 2018, in Gdansk, Poland, Paper 30.05. Article.pdf [1’383 Kb]

NICOLET, C., BÉGUIN, A., DAYER, J-D, MICOULET, G.,
Hydraulic transient challenges for the upgrade of FMHL+ pumped storage power plant from 240MW to 420MW, Proc. of the 29th IAHR Symposium on Hydraulic Machinery and Systems, Kyoto, Japan, September 16-21 , 2018, paper 104. Article.pdf [896 Kb]

FAVREL, A., GOMES PEREIRA JUNIOR, J., LANDRY, C., ALLIGNÉ, S., NICOLET, C., AVELLAN, F.,
Reduced scale model testing for prediction of eigenfrequencies and hydro-acoustic resonances in hydropower plants operating in off-design conditions, Proc. of the 29th IAHR Symposium on Hydraulic Machinery and Systems, Kyoto, Japan, September 16-21 , 2018, paper 146. Article.pdf [972 Kb]

GOMES J., FAVREL, A., LANDRY, C., NICOLET, C., AVELLAN, F.,
Measurements of Cavitation Compliance in the Draft Tube Cone of a Reduced Scale Francis Turbine Operating at Part Load, Proceedings of the 10th International Symposium on Cavitation (CAV2018), May 14 – 16, 2018, Baltimore, Maryland, USA. Article.pdf [330 Kb]

2017

FAVREL, A., GOMES J., LANDRY, C., MÜLLER, A., NICOLET C. & AVELLAN F.,
New insight in Francis turbine cavitation vortex rope: role of the runner outlet flow swirl number, (2017), Journal of Hydraulic Research, DOI: 10.1080/00221686.2017.1356758. Link to Article

SILVA, P. C. O., NICOLET, C., GRILLOT, P., DROMMI, J.-L., KAWKABANI, B.,
Assessment of Power Swings in Hydropower Plants through High-Order Modelling and Eigenanalysis, IEEE Transactions on Industry Applications, Volume: 53, Issue: 4, Pages: 3345 – 3354, 2017. Link to Article

NICOLET, C., BRAUN, O., RUCHONNET, N., HELL, J., BÉGUIN, A., AVELLAN, F.,
Simulation of pump-turbine prototype fast mode transition for grid stability support, Proc. of HYPERBOLE Conference 2017, February 2-3, 2017, in Porto, Portugal, Paper 40. Article.pdf [262 Kb]

BÉGUIN, A., NICOLET, C., HELL, J., MOREIRA, C.,
Assessment of power step performances of variable speed pump-turbine unit by means of hydro-electrical system simulation, Proc. of HYPERBOLE Conference 2017, February 2-3, 2017, in Porto, Portugal, Paper 01. Article.pdf [377 Kb]

ALLIGNÉ, S., NICOLET, C., BÉGUIN, A., LANDRY, C., GOMES, J., AVELLAN, F.,
Prediction of Francis Turbine Prototype Part Load Pressure and Output Power Fluctuations with Hydroelectric Model, Proc. of HYPERBOLE Conference 2017, February 2-3, 2017, in Porto, Portugal, Paper 16. Article.pdf [416 Kb]

ALLIGNÉ, S., DECAIX, J., MUELLER, A., NICOLET, C., AVELLAN, F., MUNCH, C.,
RANS computations for identification of 1-D cavitation model parameters: application to full load cavitation vortex rope, Proc. of HYPERBOLE Conference 2017, February 2-3, 2017, in Porto, Portugal, Paper 32. Article.pdf [1’384 Kb]

MOREIRA, C., FULGENCIO, N., SILVA, B., NICOLET, C., BÉGUIN, A.,
Identification of Dynamic Simulation Models for Variable Speed Pumped Storage Power Plants, Proc. of HYPERBOLE Conference 2017, February 2-3, 2017, in Porto, Portugal, Paper 06. Article.pdf [1’041 Kb]

LANDRY, C., FAVREL, A., MUELLER, A., YAMAMOTO, K., ALLIGNÉ, S., AVELLAN, F.,
Experimental investigation of the mass flow gain factor in a draft tube with cavitation vortex rope, Proc. of HYPERBOLE Conference 2017, February 2-3, 2017, in Porto, Portugal, Paper 22. Article.pdf [447 Kb]

2016

NICOLET, C., BÉGUIN, A., DAYER, J.-D., MICOULET, G.,
New surge tank commissioning at the Hongrin-Léman pumped-storage plant by real time simulation monitoring, Proc. of HYDRO 2016 Conference, October 10-12, 2016, in Montreux, Switzerland, Paper 12.13P. Article.pdf [2’241 Kb]

SILVA, P. C. O., NICOLET, C., GRILLOT, P., DROMMI, J.-L., KAWKABANI, B.,
Assessment of Power Swings in Hydropower Plants through High-Order Modelling and Eigenanalysis, In proc. ICEM 2016, Lausanne, Switzerland, pp. 161-167. Copyright © 2014 by ICEM

NICOLET, C., BRAUN, O., RUCHONNET, N., BEGUIN, A., AVELLAN, F.,
Full Size Frequency Converter for Fast Francis Pump-Turbine Operating Mode Transition, Proceedings of HYDROVISION International 2016, July 26 – 29, 2016, Minneapolis Convention Center, Minneapolis, MN, USA. Article.pdf [1’220 Kb]

ALLIGNÉ, S., NICOLET, C., BEGUIN, A., LANDRY, C., GOMES, J., AVELLAN, F.,
Hydroelectric System Response to Part Load Vortex Rope Excitation, Proceedings of the 28th IAHR Symposium on Hydraulic Machinery and Systems, Grenoble France, July 4-8, 2016, Paper 000293. Article.pdf [606 Kb]

ALLIGNÉ, S., DECAIX, J., MÜLLER, A., NICOLET, C., AVELLAN, F., MÜNCH, C.,
RANS computations for identification of 1-D cavitation model parameters: application to full load cavitation vortex rope, Proceedings of the 28th IAHR Symposium on Hydraulic Machinery and Systems, Grenoble France, July 4-8, 2016, Paper 000264. Article.pdf [683 Kb]

2015

ALLIGNÉ, S., LANDRY, C., FAVREL, A., NICOLET, C., AVELLAN, F.,
Francis turbine draft tube modelling for prediction of pressure fluctuations on prototype, Proc. of the 9th Int. Symposium on Cavitation (CAV2015), December 6-10, 2015, Lausanne, Switzerland, Journal of Physics: Conference Series 656 (2015) 012056. Article.pdf [2’937 Kb]

DECAIX, J., ALLIGNÉ, S., NICOLET, C., AVELLAN, F., MUNCH, C.,
Identification of the wave speed and the second viscosity of cavitation flows with 2D RANS computations – Part I, Proc. of the 9th Int. Symposium on Cavitation (CAV2015), December 6-10, 2015, Lausanne, Switzerland, Journal of Physics: Conference Series 656 (2015) 012060. Article.pdf [2’937 Kb]

ALLIGNÉ, S., DECAIX, J., NICOLET, C., AVELLAN, F., MUNCH, C.,
Identification of the wave speed and the second viscosity of cavitation flows with 2D RANS computations – Part II, Proc. of the 9th Int. Symposium on Cavitation (CAV2015), December 6-10, 2015, Lausanne, Switzerland, Journal of Physics: Conference Series 656 (2015) 012057. Article.pdf [2’937 Kb]

NICOLET, C., BÉGUIN, A., BOLLAERT, E., BOULICAUT, B., GROS, G.,
Real-time simulation monitoring system for hydro plant transient surveys, Int. Journal on Hydropower & Dams, Volume 22, Issue 5, 2015, pp. : 62-69. Article.pdf [2’937 Kb]

NICOLET, C., BÉGUIN, A., BOLLAERT, E., BOULICAUT, B., GROS, G.,
Hydro-Clone: a Real-time simulation monitoring system for hydropower plant transients survey, Proceedings of HYDRO 2015 Conference, October 26-28, 2015, in Bordeaux, France, Paper 13.07. Article.pdf [1’595 Kb]

DE CESARE, G., ADAM, N., NICOLET, C., BILLETER, P., ANGERMAYR, A., VALLUY, B.,
Surge tank geometry modification for power increase, Proceedings of HYDRO 2015 Conference, October 26-28, 2015, in Bordeaux, France, Paper 12.13P. Article.pdf [1’336 Kb]

NICOLET, C., ARPE, J., REJEC, A.,
Influence Of The Surge Tank Water Inertia on Pumped Storage Power Plant Transients in Case Of Pump Emergency Shutdown, Proc. 6th IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, September 9-11, 2015, Ljubljana, Slovenia, paper 15.4.4. Article.pdf [5’013 Kb]

ALLIGNÉ, S., LANDRY, L., NICOLET, C., AVELLAN, F.,
Draft tube modelling for prediction of pressure fluctuations on prototype, SHF – Hydraulic Machinery, Cavitation, 3-4 June 2015, Nantes, France. Article.pdf [1’228 Kb]

NICOLET, C., VUIGNIER, E.,
Simulation numérique des transitoires hydrauliques pour répondre aux nouvelles exigencies des réseaux électriques, Wasser Energie Luft, 107. Jahrgang, 2015, Heft 1, CH-5401 Baden, pp. : 9-16. Article.pdf [998 Kb]

2014

NICOLET, C., KAWKABANI, B., DROMMI, J.-L., SINGAINY, T., GRILLOT, P.,
Assessment of Hydro Unit Grid Code Compliance by Means of Numerical Simulations, Proceedings of HYDRO 2014, October 13-15, 2014, in Cernobbio, Italy, Paper 13b.03. Article.pdf [850 Kb]

ALLIGNE, S., SILVA, P. C. O., BEGUIN, A., KAWKABANI, B., ALLENBACH, P., NICOLET, C., AVELLAN, F.,
Forced Response Analysis of Hydroelectric Systems, Proceedings of the 27th IAHR Symposium on Hydraulic Machinery and Systems, Montréal, Canada, September 22-25, 2014, paper 1.3.1. Article.pdf [384 Kb]

LANDRY, C., FAVREL, A., MULLER, A., NICOLET, C., YAMAMOTO, K., AVELLAN, F.,
Experimental investigation of the local wave speed in a draft tube with cavitation vortex rope, Proceedings of the 27th IAHR Symposium on Hydraulic Machinery and Systems, Montréal, Canada, September 22-25, 2014, paper 7.2.7. Article.pdf [384 Kb]

BEGUIN, A., NICOLET, C., KAWKABANI, B., AVELLAN, F.,
Virtual Power Plant with Pumped Storage Power Plant for Renewable Energy Integration, Proceedings of the XXIth International Conference on Electrical Machines, Berlin, Germany – September 2-5, 2014, pp.: 1730-1736. Copyright © 2014 by ICEM

SILVA, P. C. O., ALLIGNE, S., ALLENBACH, P., NICOLET, C., KAWKABANI, B.,
A Fully Modular Tool for Small-Signal Stability Analysis of Hydroelectric Systems, Proceedings of the XXIth International Conference on Electrical Machines, Berlin, Germany – September 2-5, 2014, pp.: 1691-1697. Copyright © 2014 by ICEM

HAN, M., BEGUIN, A., NICOLET, C., KAWKABANI, B.,
Advanced Condition Monitoring System for Synchronous Machines Based on Real-Time Simulation, Proceedings of the XXIth International Conference on Electrical Machines, Berlin, Germany – September 2-5, 2014, pp.: 1479-1485. Copyright © 2014 by ICEM

NICOLET, C., BEGUIN, A., KAWKABANI, B., PANNATIER, Y., SCHWERY, A., AVELLAN, F.,
Variable Speed and Ternary Units to Mitigate Wind and Solar Intermittent Production, Proceedings of Hydrovision Conference 2014, July 22-25, 2014, Nashville, TN, USA, Session: Session 4H: Hydropower Systems and Flexibility. Article.pdf [913 Kb]

NICOLET, C., TAULAN, J.-P., BURNIER, J.-M., BOURRILHON, M., MICOULET, G., JACCARD, A.,
Transient Analysis of FMHL+ Pumped-Storage Power Plance and New Surge Tank Design, Proceedings of SHF Conference: “Enhancing Hydropower plants”, Grenoble, France, April 9-10, 2014, paper ENH-028. Article.pdf [2’285 Kb]

ALLIGNE, S., NICOLET, C., TSUJIMOTO, Y., AVELLAN, F.,
Cavitation surge modelling in Francis turbine draft tube, Journal of Hydraulic Research, March 2014, pp. 14, DOI:10.1080/00221686.2013.854847. Copyright_JHR

2012

NICOLET, C., BEGUIN, A., KAWKABANI, B., LANDRY, C., AVELLAN, F.,
Contribution of Pumped Storage Units to Mixed Islanded Power Network Stability, Proceedings of HYDRO 2012, October 29-31, 2012, in Bilbao, Spain, Paper 09c.01. Article.pdf [1’122 Kb]

NICOLET, C., VULLIOUD, G., WEISS, E., BOCHERENS, E., DAYER, J.-D., CHÈNE, O.,
Transient analysis of Cleuson-Dixence power plant and injector closure in the reflection time, Proceedings of 11th International Conference on Pressure Surges, October 24-26, 2012, Lisbon, Portugal, pp. 27-41. Copyright © 2012 by BHR Group

BERGANT, A., ANDERSON, A., NICOLET, C., KARADZIC, U., MAZIJ, J.,
Issues related to fluid transients in refurbished and upgraded hydropower schemes, Proceedings of 11th International Conference on Pressure Surges, October 24-26, 2012, Lisbon, Portugal, pp. 15-25. Copyright © 2012 by BHR Group

ALLIGNE, S., NICOLET, C., ARPE, J., RODIC, P., MLACNIK, J.,
Determination of Surge Tank Diaphragm Head Losses by CFD Simulations, Proceedings of SHF SIMHYDRO2012 Conference, Sophia Antipolis – Nice, France, September 12-14, 2012, paper 79. Article.pdf [4’541 Kb]

LANDRY, C., NICOLET, C., GIACOMINI, S., AVELLAN, F.,
Influence of The Hydraulic System Layout on The Stability of a Mixed Islanded Power Network, Proceedings of SHF SIMHYDRO2012 Conference, Sophia Antipolis – Nice, France, September 12-14, 2012, paper 93. Article.pdf [731 Kb]

NICOLET, C., ALLIGNE, S., BERGANT, A., AVELLAN, F.,
Simulation of water column separation in Francis pump-turbine draft tube, Proceedings of the 26th IAHR Symposium on Hydraulic Machinery and Systems, Beijing, China, August 19-23, 2012, paper 144. Article.pdf [401 Kb]

LANDRY, C., NICOLET, C., BERGANT, A., MULLER, A., AVELLAN, F.,
Modeling of unsteady friction and viscoelastic damping in piping systems, Proceedings of the 26th IAHR Symposium on Hydraulic Machinery and Systems, Beijing, China, August 19-23, 2012, paper 281. Article.pdf [511 Kb]

2011

NICOLET, C., ALLIGNE, S., BERGANT, A., AVELLAN, F.,
Parametric study of Water column Separation in Francis Pump-turbine draft tube, Proceedings of SHF «Pumped storage Powerplants», Lyon, 23-24 November 2011, paper 20. Article.pdf [792 Kb]

NICOLET, C., KAELBEL, T., ALLIGNE, S., RUCHONNET, N., ALLENBACH, P., BERGANT, A., AVELLAN, F.,
Simulation of Water Hammer Induced Column Separation through Electrical Analogy, Proceedings of the 4th IAHR International Meeting of the WorkGroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Belgrade, Serbia, October 26-28, 2011, pp. 37-46. Article.pdf [585 Kb]

ALLIGNE, S., NICOLET, C., AVELLAN, F.,
Identification by CFD Simulation of the Mechanism Inducing Upper Part Load Resonance Phenomenon, Proceedings of the 4th IAHR International Meeting of the WorkGroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Belgrade, Serbia, October 26-28, 2011, pp. 241-255. Article.pdf [1’415 Kb]

NICOLET, C., PANNATIER, Y., KAWKABANI, B., SIMOND, J.-J., AVELLAN, F.,
Hydroelectric Interactions with Variable Speed and Fixed Speed Machines in Pumping Mode of Operation, Proceedings of HYDRO 2011, October 17-19, 2011, in Prague, Czech Republic, Paper 24.4. Article.pdf [1’061 Kb]

ZOBEIRI, A., NICOLET, C., VUADENS, E.,
Risk analysis of the transient phenomena in a hydropower plant installation, Proceedings of HYDRO 2011, October 17-19, 2011, in Prague, Czech Republic, Paper 24.4. Article.pdf [822 Kb]

KOUTNIK, J., BRUNS, M., MEIER, L., NICOLET, C.,
Pumped Storage – Grid Requirements For Behavior of Large Motorgenerators and Confirmation Of Compliance Through Simulation, Proceedings of HydroVision International, 19-22 July 2011, Sacramento, CA, USA, Session: Pumped Storage Design, Technology and Operation, pp. 1-11. Article.pdf [203 Kb]

BISSEL, C., VULLIOUD, G., WEISS, E., HEIMANN, A., CHENE, O., DAYER, J.-D., NICOLET, C.,
Recommissioning of the Bieudron powerplant, The International Journal on Hydropower & Dams, Vol. 18, Issue 3, 2011, pp. 82-85. Article.pdf [3’977 Kb]

2010

NICOLET, C., BERTHOD, R., RUCHONNET, N., AVELLAN, F.,
Evaluation of Possible Penstock Fatigue Resulting from Secondary Control for the Grid, Proceedings of HYDRO 2010, September 27-29, 2010, in Lisbon, Portugal, Paper 10.3. Article.pdf [746 Kb]

NICOLET, C., RUCHONNET, N., ALLIGNÉ, S., KOUTNIK, J., AVELLAN, F.,
Hydroacoustic Simulation of Rotor-Stator Interaction in Resonance Conditions in Francis Pump-Turbine, Proceedings of the 25th IAHR Symposium on Hydraulic Machinery and Systems, Timisoara, Romania, September 20-24, 2010, paper 2A.1. Article.pdf [785 Kb]

NICOLET, C., ZOBEIRI, A., MARUZEWSKI, P., AVELLAN, F.,
On the Upper Part Load Vortex Rope in Francis Turbine: Experimental Investigation, Proceedings of the 25th IAHR Symposium on Hydraulic Machinery and Systems, Timisoara, Romania, September 20-24, 2010, paper 6A.3. Article.pdf [1’738 Kb]

PANNATIER, Y., KAWKABANI, B., NICOLET, C., SCHWERY, A., P., SIMOND, J.-J.,
Start-up and Synchronization of a Variable Speed Pump-Turbine Unit in Pumping Mode, Proceedings of ICEM 2010 – XIX International Conference on Electrical Machines, Rome, Italy, September 6-8. 2010. Copyright © 2010 by ICEM

SILVA, P. C. O., KAWKABANI, B., ALLIGNE, S., NICOLET, C., SIMOND, J.-J., AVELLAN, F.,
Stability Study of a Complete Hydroelectric Production Site by Eigenvalues Analysis Method Based on Phase Variables, Proceedings of ICEM 2010 – XIX International Conference on Electrical Machines, Rome, Italy, September 6-8. 2010. Copyright © 2010 by ICEM

PANNATIER, Y., KAWKABANI, B., NICOLET, C., SIMOND, J.-J., SCHWERY, A., ALLENBACH, P.,
Investigation of control strategies for variable speed pump-turbine units by using a simplified model of the converters, IEEE Transactions on Industrial Electronics, Volume: 57, Issue: 9, 2010, pp: 3039-3049. Copyright © 2010 by IEEE-TIE

PADOAN JR., A.C., KAWKABANI, B., SCHWERY, A., RAMIREZ, C., NICOLET, C., SIMOND, J.-J., AVELLAN, F.,
Dynamical behaviour comparison between variable speed and synchronous machines with PSS, IEEE Transactions on Power Systems, Volume: 25 , Issue: 3, 2010 , pp.: 1555 – 1565. Copyright © 2010 by IEEE-PES

KOUTNIK, J., FOUST, J., NICOLET, C., SAIJU, R., KAWKABANI, B.,
Pump-Storage Integration with Renewables – Meeting the Needs Using Various Concepts, Proceedings of HydroVision International, 27-30 July 2010, Charlotte, NC, USA, Session: Pumped-Storage Market Trends and Strategies, paper 5, pp. 1-12. Article.pdf [416 Kb]

2009

NICOLET, C., E. F. R. BOLLAERT, ALLENBACH, P., GAL, A.,
Optimizing hydro production with a detailed simulation model, Hydropower & Dams, Issue Five, 2009, pp. 77-81. Article.pdf [3’594 Kb]

ARPE, J., NICOLET, C., AVELLAN, F.,
Experimental Evidence of Hydroacoustic Pressure Waves in a Francis Turbine Elbow Draft Tube for Low Discharge Conditions, ASME, J. Fluids Eng., Volume 131, Issue 8, August 2009. Copyright © 2008 by ASME-JFE

NICOLET, C., PANNATIER, Y., KAWKABANI, B., SCHWERY, A., AVELLAN, F., SIMOND, J.-J.,
Benefits of Variable Speed Pumped Storage Units in Mixed Islanded Power Network during Transient Operation, Proceedings of HYDRO 2009, October 26-28, 2009, in Lyon, France, Paper 23.3 Article.pdf [1’108 Kb]

NICOLET, C., ALLIGNÉ, S., KAWKABANI, B., KOUTNIK, J., SIMOND, J.-J., AVELLAN, F.,
Stability Study of Francis Pump-Turbine at Runaway, Proceedings of the 3rd IAHR International Meeting of the WorkGroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Brno, Czech Republic, October 14-16, 2009, paper G2, pp. 371-384. Article.pdf [714 Kb]

ALLIGNÉ, S., NICOLET, C., RUCHONNET, N., HASMATUCHI, V., MARUZEWSKI, P., AVELLAN, F.,
Numerical Simulation of Non-linear Self-oscillations of a Full Load Vortex Rope, Proceedings of the 3rd IAHR International Meeting of the WorkGroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Brno, Czech Republic, October 14-16, 2009, paper F4, pp. 325-338. Article.pdf [1’025 Kb]

RUCHONNET, N., NICOLET, C., ALLIGNÉ, S., AVELLAN, F.,
Experimental investigation of Cavitation Influence on Hydroacoustic Resonance in Pipe, Proceedings of the 3rd IAHR International Meeting of the WorkGroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Brno, Czech Republic, October 14-16, 2009, paper P1, pp. 501-514. Article.pdf [905 Kb]

2008

NICOLET, C., ALLIGNÉ, S., KAWKABANI, B. , SIMOND, J.-J., AVELLAN, F.,
Unstable Operation of Francis Pump-Turbine at Runaway: Rigid and Elastic Water Column Oscillation Modes, Proceedings of the 24th IAHR Symposium on Hydraulic Machinery and Systems, Foz do Iguassu, Brazil, October 27 -31, 2008, paper 150. Article.pdf [608 Kb]

PANNATIER, Y., NICOLET, C., KAWKABANI, B., DENIAU, J.-L., SCHWERY, A., AVELLAN, F., SIMOND, J.-J.,
Transient Behavior of Variable Speed Pump-Turbine Units, Proceedings of the 24th IAHR Symposium on Hydraulic Machinery and Systems, Foz do Iguassu, Brazil, October 27 -31, 2008, paper 147. Article.pdf [634 Kb]

ALLIGNÉ, S., NICOLET, C., ALLENBACH, P. , KAWKABANI, B. , SIMOND, J.-J., AVELLAN, F.,
Influence of the Vortex Rope Location of a Francis Turbine on the Hydraulic System Stability, Proceedings of the 24th IAHR Symposium on Hydraulic Machinery and Systems, Foz do Iguassu, Brazil, October 27 -31, 2008, paper 82. Article.pdf [1’010 Kb]

CHEN, C., NICOLET, C., YONEZAWA, K., FARHAT, M., AVELLAN, F., TSUJIMOTO, Y.,
One-Dimensional Analysis of Full Load Draft Tube Surge Considering the Finite Sound Velocity in the Penstock, Proceedings of the 24th IAHR Symposium on Hydraulic Machinery and Systems, Foz do Iguassu, Brazil, October 27 -31, 2008, paper 106. Article.pdf [1’056 Kb]

NICOLET, C., VAILLANT, Y., KAWKABANI, B., ALLENBACH, P., SIMOND, J.-J., AVELLAN, F.,
Pumped Storage Units to Stabilize Mixed Islanded Power Network: a Transient Analysis, Proceedings of HYDRO 2008, October 6-9, 2008, in Ljubljana, Slovenia, Paper 16.1. Article.pdf [543 Kb]

PANNATIER, Y., NICOLET, C., KAWKABANI, B., SIMOND, J.-J., ALLENBACH, P.,
Dynamic Behavior of a 2 Variable Speed Pump-Turbine Power Plant, Proceedings of the 2008 International Conference on Electrical Machines, ICEM 2008, September 6-9, 2008, Vilamoura, Portugal, Paper ID 754. Article.pdf [555 Kb]

CHEN, C, NICOLET, C., YONEZAWA, K., FARHAT, M., AVELLAN, F., TSUJIMOTO, Y.,
One-Dimensional Analysis Of Full Load Draft Tube Surge, J. Fluids Eng., Volume 130, Issue 4 , April 2008. Copyright © 2008 by ASME-JFE

2007

NICOLET, C., GREIVELDINGER, B., HÉROU, J.-J., KAWKABANI, B., ALLENBACH, P., SIMOND, J.-J., AVELLAN, F.,
High Order Modeling of Hydraulic Power Plant in Islanded Power Network, IEEE Transactions on Power Systems, Vol. 22, Number 4, November 2007, pp.: 1870-1881. Copyright © 2007 by IEEE-PES

NICOLET, C., KAWKABANI, B., GREIVELDINGER, B., HÉROU, J.-J., ALLENBACH, P., SIMOND, J.-J., AVELLAN, F.,
Turbine Speed Governor Parameters Validation in Islanded Production, Proceedings of the 2nd IAHR International Meeting of the WorkGroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Politehnica University of Timisoara, Romania, October 24-26, 2007. Article.pdf [3’253 Kb]

CHEN, C, NICOLET, C., YONEZAWA, K., FARHAT, M., AVELLAN, F., TSUJIMOTO, Y.,
One-Dimensional Analysis Of Full Load Draft Tube Surge, Proceedings of FEDSM2007, 5th Joint ASME/JSME Fluids Engineering Conference, July 30-August 2, 2007 San Diego, California USA, paper: FEDSM2007-37304, 2007. Copyright © 2007 by ASME

NICOLET, C., ALLENBACH, PH., SIMOND, J.-J., AVELLAN, F.,
Modelling And Numerical Simulation Of A Complete Hydroelectric Production Site, Proceedings PowerTech 2007, 1-5 July 2007, Lausanne, Switzerland, 2007. Copyright © 2007 by IEEE-PES

NICOLET, C.,
Hydroacoustic Modelling and Numerical Simulation of Unsteady Operation of Hydroelectric Systems, PhD Thesis, EPFL n°3751, Lausanne, 2007. Thesis.pdf [23’545 Kb]

2006

KOUTNIK, J., NICOLET, C., SCHOHL, G. A. and AVELLAN, F.,
Overload Surge Event in a Pumped-Storage Power Plant, Proceedings of the 23rd IAHR Symposium on Hydraulic Machinery and Systems, Yokohama, Japan, October 18-21, 2006. Article.pdf [644 Kb]

NICOLET, C., RUCHONNET, N. and AVELLAN, F.,
One-Dimensional Modeling of Rotor Stator Interaction in Francis Pump-Turbine, Proceedings of the 23rd IAHR Symposium on Hydraulic Machinery and Systems, Yokohama, Japan, October 18-21, 2006. Article.pdf [665 Kb]

SIMOND, J.-J.,ALLENBACH, P., NICOLET, C. and AVELLAN, F.,
Simulation tool linking hydroelectric production sites and electrical networks, Proceedings of the 27th Int. Conf. on Electrical Machines, ICEM, Chania, Greece, September 2-5, 2006. Article.pdf [301 Kb]

NICOLET, C., HEROU, J.-J., GREIVELDINGER, B., ALLENBACH, P., SIMOND, J.-J and AVELLAN, F.,
Methodology for Risk Assessment of Part Load Resonance in Francis Turbine Power Plant, Proceedings IAHR Int. Meeting of WG on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Barcelona, June 28-30, 2006. Article.pdf [603 Kb]

RUCHONNET, N., NICOLET, C. and AVELLAN, F.,
Hydroacoustic Modeling of Rotor Stator Interaction in Francis Pump-Turbine, Proceedings IAHR Int. Meeting of WG on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Barcelona, June 28-30 2006. Article.pdf [1’695 Kb]

NICOLET, C., GREIVELDINGER, B., HEROU, J.-J., ALLENBACH, P., SIMOND, J.-J. and AVELLAN, F.,
On the Hydroelectric Stability of an Islanded Power Network, Proceedings IEEE Power Engineering Society General Meeting, Montréal, Canada, paper 623, June 18-22 2006,. Copyright © 2006 by IEEE-PES

NICOLET, C., RUCHONNET, N., and AVELLAN, F.,
One-Dimensional Modeling of Rotor Stator Interaction in Francis Pump-Turbine, Proceedings of ISROMAC-11, ASME: International Symposium on Transport Phenomena and Dynamics of Rotating Machinery , Honolulu, Hawaii, USA, February 26-March 2, 2006. Copyright © 2006 by ASME

2004

NICOLET, C., ARPE, J. and AVELLAN, F.,
Identification and Modeling of Pressure Fluctuations of a Francis Turbine Scale Model at Part Load Operation, Proceedings of the 22nd IAHR Symposium on Hydraulic Machinery and Systems, Stockholm, Sweden, June 29-July 2, 2004. Article.pdf [928 Kb]

2003

NICOLET, C., AVELLAN, F. and ROSSELL, J.,
New Technology for high Disinfection Level of Flexible Endoscopes, Fifth International Symposium on Cavitation (CAV2003) Osaka, Japan, November 1-4, 2003. Article.pdf [594 Kb]

NICOLET, C., AVELLAN, F., ALLENBACH, P., SAPIN, A., SIMOND, J.-J. and HEROU, J.-J.,
Transient Phenomena in Francis Turbine Power Plants: Interaction with the Power Network, 11th International Meeting of the Work Group on the Behaviour of Hydraulic Machinery Under Steady Oscillatory Conditions, Stuttgart, Germany, October 8-10, 2003. Article.pdf [571 Kb]

NICOLET, C., AVELLAN, F., ALLENBACH, P., SAPIN, A., SIMOND, J.-J., KVICINSKY, S. and CRAHAN, M.,
Simulation of Transient Phenomena in Francis Turbine Power Plants: Hydroelectric Interaction, Proceedings of Waterpower XIII, Advancing Technology for Sustainable Energy, Buffalo, New York, USA, July 29-31, 2003. Article.pdf [495 Kb]

2002

NICOLET, C., AVELLAN, F., ALLENBACH, P., SAPIN, A. and SIMOND, J.-J.,
New Tools for the Simulation of Transient Phenomena in Francis Turbine Power Plants, Proceedings of the 21st IAHR Symposium on Hydraulic Machinery and Systems, Lausanne, Switzerland, pp. 519-528, September 9-12, 2002, . Article.pdf [277 Kb]

2001

NICOLET, C., SAPIN, A., SIMOND, J.-J., PRENAT, J.-E. and AVELLAN, F.,
A new tool for the simulation of dynamic behaviour of hydroelectric power plants, Proceedings of the 10th International Meeting of the work group on the behaviour of hydraulic machinery under steady oscillatory conditions, IAHR, Trondheim, Norway, June 26-28, 2001. Article.pdf [355 Kb]