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Successful tests at Yellow river project
14 April, 2005
The model for the Francis turbines in the new Laxiwa hydro power project in China’s Qinghai Province was tested successfully in Heidenheim, Germany.

Change of speed - variable units investigated
16 March, 2005
Variable speed units for pumped storage power plants are becoming a state-of-the-art technology for optimised efficiency in turbine mode and a wide range of power control in the pump mode. K Scherer reports on aspects and challenges for the design of the motor-generators, using Goldisthal pumped storage plant in Germany as an example