Turbines used to extract energy from water flow include a set of turbine blades, in which at least one turbine blade assembly is adjustable, and the surface area of the IAEA shown in the flow direction when it is in Return, enter.

摘要

Turbine for use in extracting Energy from a Flow of water which comprises a set of Turbine Blades, where at least some of the whole Turbine Blades are formed to be adjustable,And where the surface area of aspa presented in the direction of flow is reduced when the configuration is in return.