Concept

Petite centrale hydroélectrique

Publications associées (71)

The Hydropower Europe forum devoted to the development of hydropower in the next decades

HYDROPOWER-EUROPE is a project selected by European Commission after the call H2020 LC-SC3-CC-4-2018, whose the scope is “bringing together stakeholders of the hydropower sector in a forum” to develop a roadmap of research and innovation for new hydropower ...

2019

Analysis of emerging technologies in the hydropower sector

François Avellan

The paper reviews recent research and development activities in the field of hydropower technology. It covers emerging and advanced technologies to mitigate flow instabilities (active and passive approach) as well as emerging magneto-rheological control te ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Variable speed operation of centrifugal pumps running as turbines. Experimental investigation

François Avellan, João Nuno Gomes Borga Delgado

Pumps running as turbines are pointed out as a cost-effective solution for energy recovery in pressurised water supply systems. However, these hydraulic machines feature low efﬁciency under variable discharge operation due to the lack of an inlet ﬂow contr ...

2019

Numerical analysis for detecting head losses in trifurcations of high head in hydropower plants

François Avellan, Ramiro Gustavo Ramirez Camacho

Many different types of branching have been developed, such as bifurcation, trifurcation, and manifolds, among others. These configurations are used in penstocks to transport water from surge tanks to power houses in order to feed several turbines at the s ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Étude géotechnique des ouvrages souterrains de l'extension de la centrale hydroélectrique de Lavey

The run-of-river hydro power plant of Lavey, situated in the Western part of Switzerland, is an important source of renewable energy for the city of Lausanne. With its annual production of roughly 400 GWh it covers approximately a third of its consumptions ...

2018

Pumps running as turbines for energy recovery in water supply systems

João Nuno Gomes Borga Delgado

Pressurised water supply systems are infrastructures that offer a potential for energy recovery in locations where these systems operate with an excessive pressure. The integration of micro hydropower plants for energy recovery is a challenge, as these sys ...

EPFL2018

Renovation of hydraulic power plant: how to select the best technical options?

François Avellan, Christophe Nicolet, Christian Landry, Loïc Andolfatto, Joao Gomes Pereira Junior

With the Energy Strategy 2050, Switzerland wishes to focus on balanced utilization of hydropower potentials and new renewable energy sources to cope with nuclear energy phasing out. Integration of large amounts of new renewable energies such as wind and so ...

2018

Monitoring a Francis Turbine Operating Conditions

François Avellan, Loïc Andolfatto, Joao Gomes Pereira Junior

Francis turbines are designed for a specific set of operating conditions that is particular to each hydropower plant site. It allows this type of turbine to extract as much hydraulic power as possible, as long as they are operating in the right conditions. ...

2018

Hydropeaking attenuation in revitalized rivers

Angela Lina Mark

Hydro power plants operate their turbine to match the peaks in electricity demand. This leads to strongly unsteady flow regimes downstream of the power plants outlet into the river. From an ecological point of view, those sudden starting and stopping of tu ...

2018

The hydropower-Europe forum and the technology roadmap

Anton Schleiss

A new EU initiative, Hydropower-Europe, is reported here. This work, soon to be launched, will provide a framework for the hydropower sector in Europe to define a research and innovation agenda, and technology roadmap. The initiative is expected to help po ...

2018

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