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Establishing connections at Ems barrage
15 November, 2005
Low-voltage switching devices play a key role at the Ems Barrage in Germany. Holger Sönnichsen reports

Sevan-Hrazdan cascade figures released
14 October, 2005
The Sevan-Hrazdan Cascade in Armenia generated 475MkWh of hydroelectricity in the first nine months of this year, unchanged as compared with the same period in 2004, according to the Interfax news agency.

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