VGB PowerTech | Hydro - Hydropower Industry Guide 2020/21

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HYDROPOWER INDUSTRY GUIDE 2020/21 Company Profiles etaeval GmbH Independent measurements and simulations Reliable expert activities Altsagenstrasse 3 CH Ι 6048 Horw www.etaeval.ch etaeval is an engineering company offering its services mainly in the field of hydroelectric power plants and water supplies. We measure efficiency of turbines, pumps, or plants using state of the art instruments and techniques. We are experts of thermodynamic efficiency measurements, acoustic (ultrasonic) discharge measurements, and measurements with propeller type current-meters in low head power plants. We have access to numerical flow simulations (CFD) and system simulation tools for optimization our flow measurements and to round up our consultancy services. Based on scientific inquiries we provide added value for our customers regarding plant operation and optimization. We offer IEC- and ASME PTC-standard compliant measurements and advisory services. Studying hydro-abrasive erosion, AXPO, Switzerland. Utilities benefit from our independent services, when measuring and simulating their tasks. Our independency is valued by power plant owners and operators, by consulting companies, as well as by turbine manufacturers. Acoustic discharge measurement at HPP Pradella, EKW, Switzerland. Pelton jet visualization at HPP Lünersee, VORARLBERGER ILLWERKE, Austria. Low pressure measuring section at HPP Tannuwald, ALPIQ, Switzerland. Innovative Products and Services 58
HYDROPOWER INDUSTRY GUIDE 2020/21 Company Profiles etaeval GmbH Our services CFD study for an acoustic discharge measurement at HPP Ralco, ENEL, Chile. • Efficiency measurements with primary methods • Efficiency monitoring implemented in the control system • Comprehensive hydro power plant monitoring and analysis • Pump storage energy cycles (hydro certificates) • Transient simulations and water hammer analysis • Transient measurements, vibration measurements and analysis • Expert activities accompanying acceptance tests conducted by turbine manufacturers • Pelton jet visualization • Numerical flow simulations (CFD) Death weight manometer at HPP Silz, TIWAG, Austria. Our mission is to satisfy customer requirements efficiently. Our services are completed by comprehensive, professional documentations. Current-meter measurements at HPP La Rance, EDF, France. Contact André Abgottspon Prof. Dr. Thomas Staubli Executives Current-meter measurements at HPP Erlabrunn, UNIPER, Germany. T +41 79 255 23 50 E andre.abgottspon@etaeval.ch Innovative Products and Services 59
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Deilbachtal 173 45257 Essen | Germa
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VGB PowerTech | Hydro - Hydropower Industry Guide 2020/21

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