News and interesting facts

Here you can find interesting and informative facts about our projects and our work.

RENEXPO® INTERHYDRO

From November 29th to 30th, 2018, the RENEXPO® INTERHYDRO trade fair and conference takes place at the Salzburg Exhibition Center. Once again, it will be the meeting point of the hydropower industry. With topics such as state-of-the-art technology and innovations, general conditions at EU and national level, cost effectiveness and the ecological aspects of hydropower, the RENEXPO® INTERHYDRO provides a unique platform for manufacturers, operators, planners, project developers, investors, municipalities, power utilities, politics, science and research from all over Europe.

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HYDRO 2018

Die Hafenstadt Danzig liegt an der polnischen Ostseeküste und der Mündung der Weichsel. Neben den bunt verzierten Bürgerhäusern und historischen Gebäuden beeindruckt diese Stadt mit vielen sehenswerten Plätzen und der bedeutenden Rolle, welche sie in der Geschichte Polens schrieb.

In der Zeit von 15. bis 17. Oktober 2018 gibt es noch einen weiteren guten Grund für eine Reise in diese sehenswerte Stadt.

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21. Internationales Anwenderforum Kleinwasserkraftwerke

Das 21. Internationale Anwenderforum Kleinwasserkraftwerke wird von 27. bis 28. September 2018 zum ersten Mal in Freiburg im Breisgau am westlichen Fuße des Schwarzwaldes zu Gast sein. Und dies hat durchaus seinen guten Grund.

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The pump as a turbine: Application in industrial processes

As an energy-generating accompanying measure reducing operating costs in industrial plants or in micro and small hydropower plants, the use of a pump as a turbine (PaT) allows previously unnoticed potentials for energy generation to be profitably realised.

Usually, centrifugal pumps running backwards are used for power generation: When water flows backwards through a pump, the rotational direction of the impeller reverses and the pumps become turbines.

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Energy efficient pump systems

Not the legal requirements such as the EU directive ErP (Energy-related Products) for the reduction of greenhouse gases, but the saving of energy costs and the resulting competitiveness are powerful arguments for energy-efficient pump systems. Energy costs can account for up to 85 percent of life cycle costs.

The basic criteria for energy-efficient pump systems are firstly the determination of the pump's efficiency taking into account the load profile. Secondly, a design that is as close as possible to the best efficiency point and thirdly, a demand-oriented operating mode in the system by adapting the flow rate.

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