XFLEX Hydro

Key words: flexibility solutions, KPIs, ASM

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Presentation

Implementing flexible technologies in practice

Key words: guidelines, replicability, key performance indicators, testing, modelling

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Presentation

Pushing flexibility to the limit with new equipment

Key words: pumped storage, full-size frequency converters, Grande Dixence, Alpiq

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Paper

Computation fluid dynamics investigation of the flow in junctions: application to hydraulic short circuit operating mode

Key words: CFD; RANS; hydraulic shortcircuit; OpenFOAM

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Paper

Assessments of hydropower plants start-up sequences and equivalent runner damage under transient operation

Key words: speed-no-load, transient sequences

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Paper

Optimization of turbine start-up sequence of a full size frequency converter variable speed pump-turbine

Key words: Full Size Frequency Converter, hydraulic transient simulations

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Video

Z’Mutt demonstration project video 2021

Z’Mutt is a pumping station located in Canton Valais, Switzerland

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Report

Business use cases for the provision of flexibility services by hydropower

Key words: KPI, business cases

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Paper

Turbine mode start-up simulation of a FSFC variable speed pump-turbine prototype – Part I: 1D simulation

key words: FSFC, CFD simulations

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Paper

Turbine mode start-up simulation of a variable speed Francis pump-turbine prototype – Part II: 3-D unsteady CFD and FEM

Key words: FSFC, FEM analyses

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Paper

Flexibility enhancements in pumped hydro storage power plants through variable speed drives

Key words: Torque , Frequency conversion , Rotors

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Report

Recommendations towards the deployment of hydropower flexibility technologies

XFLEX HYDRO made seven key recommendations to policy makers

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Technical White Paper

Implementing flexible technologies in practice

Pushing flexibility to the limit with new equipment

Computation fluid dynamics investigation of the flow in junctions: application to hydraulic short circuit operating mode

Assessments of hydropower plants start-up sequences and equivalent runner damage under transient operation

Optimization of turbine start-up sequence of a full size frequency converter variable speed pump-turbine

Z’Mutt demonstration project video 2021

Business use cases for the provision of flexibility services by hydropower

Turbine mode start-up simulation of a FSFC variable speed pump-turbine prototype – Part I: 1D simulation

Turbine mode start-up simulation of a variable speed Francis pump-turbine prototype – Part II: 3-D unsteady CFD and FEM

Flexibility enhancements in pumped hydro storage power plants through variable speed drives

Recommendations towards the deployment of hydropower flexibility technologies