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WASSERWIRTSCHAFT
Published in: WASSERWIRTSCHAFT 13/2015

01-05-2015 | Hydropower

The Electrical Asset and Mechanical Machinery of Obervermuntwerk II

Authors: Dr.-Ing. Alexander Rocks, Dr. Peter Meusburger

Published in: WASSERWIRTSCHAFT | Issue 13/2015

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Excerpt

Since May 2014 Vorarlberger Illwerke AG has started the construction of the new hydro power plant Obervermuntwerk II (OVW II). This paper shows the solutions for the electrical asset and mechanical machinery. Moreover the reader gets a short overview on the ambient grid situation concerning energy feeding and general function of OVW II. Pump turbines as well as ternary units were investigated in detail in the course of the design work for OVW II. The final machinery design ended up in two ternary units with hydraulic torque converter and shifting clutch. Apart from the maximum energy storage efficiency this variant also offers the maximum operational flexibility with the shortest switching times. Furthermore the operation mode of controllable pump in hydraulic short-circuit secures that the full control band from −100% to +100% power of the plant can be offered to the electricity market. …
previous article Development of a Radial-Axial Pump-Turbine for Decentralized Small Pumped Storage Power Plants
next article Study of Different Surge Tank Design for Obervermuntwerk II

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Literature
[1]
Schmöller, H.: Pumped storage power plant Obervermuntwerk II — economical background. In: Proceedings 18th International Conference on Hydropower Plants, Wien, 2014, pp. 433–440.
[2]
Penninger, G.; Spitzer, F.: New challenges for modern pump storage units. In: 14th International Seminar on Hydropower Plants, Wien, 2006, p. 465–472.
[3]
Rocks, A.: Pumped storage power plant Obervermuntwerk II — concept study on the electrical equipment. In: Proceedings 18th International Conference on Hydropower Plants, Wien, 2014, pp. 417–424.
Metadata
Title
The Electrical Asset and Mechanical Machinery of Obervermuntwerk II
Authors
Dr.-Ing. Alexander Rocks
Dr. Peter Meusburger
Publication date
01-05-2015
Publisher
Springer Fachmedien Wiesbaden
Published in
WASSERWIRTSCHAFT / Issue 13/2015
Print ISSN: 0043-0978
Electronic ISSN: 2192-8762
DOI
https://doi.org/10.1007/s35147-015-0502-6

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