Schiffmühle power plant
| Schiffmühle power plant | |||
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| location | |||
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| Coordinates | 662266 / 260 104 | ||
| country | Switzerland | ||
| Waters | Limmat | ||
| Data | |||
| Type | River power plant | ||
| Primary energy | Hydropower | ||
| power | 3.96 MW | ||
| owner | Regionalwerke AG Baden | ||
| Start of operations | 1854 | ||
| turbine | four Kaplan turbines | ||
| Website | Schiffmühle power plant | ||
The Schiffmühle power plant is a run-of-river power plant on the Limmat in Untersiggenthal in the canton of Aargau . It belongs to Limmatkraftwerke AG (Regionalwerke Holding AG Baden).
prehistory
The use of water power in the ship mill goes back to the 13th century. At what is now the Schiffmühle site, a ship mill was put into operation between 1551 and 1555 that floated on the Limmat. A water wheel was mounted on a ship because of the fluctuations in the water level.
In the 17th century, the ship mill on the Limmat was replaced by a mill building on the river bank (a beam in the mill bears the year 1658). Due to the general decline in grain production in the second half of the 19th century, the Untersiggenthaler Schiffmühle had to stop its milling operations.
history
In 1854, the owner of the first spinning mill (until 1858 the largest spinning mill in Switzerland) in Turgi , Rudolf Bebié, bought the ship mill. In addition to the spinning mill built from 1826 to 1836 (operated until 1962), the Turgi power plant was built in 1828 (electrified in 1905), followed by a second in the ship mill in 1854.
The ship mill was converted in 1890 by the spinning mill owner Peter Zai-Kappeler (1855–1936) into a small power station, which was initially operated with a large water wheel. A power transmission line was built from the ship mill to the household goods factory W. Egloff & Co. (later BAG Turgi ) built in 1889/90 next to the Turgi train station (demolished in 1972). Thanks to this hydropower, Egloff was one of the first factories in the region that was no longer on the river.
In 1892 a generator in the ship mill produced electrical energy for the first time. A 700 HP turbine was installed in 1895, and two similar ones followed by 1917. In 1895, Peter Zai-Kappeler founded the “Gesellschaft für elektrochemische Industrie AG” with headquarters in Turgi and production facilities in the ship mill on Untersiggenthaler Boden. The plant specialized in electrolytic processes and processed table salt from the salt pans on the Rhine into chlorine products (weed killer "Tursal" made from sodium chlorate ). The Schiffmühle electricity company later supplied the Untersiggenthal community with electricity.
An extensive renovation took place in 1932. The "Society for Electrochemical Industry" changed its name to "Elektrochemie Turgi" in 1957 and was at its economic peak around 1960 when the turbine system with the nacelle that still exists today was replaced by a modern run-of-river power plant. The company's independence ended in 1973 when it was sold to the Uetikon chemical factory . The new owner stopped the electrolysis process in the ship mill in 1987 and sold the power plant to the Aargau Electricity Works (AEW). It has been operated by Limmatkraftwerke AG since 1995.
With the new license in 2011, the remaining water volume to be dispensed was increased. In order to be able to use this residual water volume by means of a doping turbine for the generation of renewable electrical energy, a doping power plant was built between 2011 and 2013 in the area of the existing dam (at the KVA or ARA Turgi). The existing fish ladder was replaced by a new fish ladder. In addition, there were renaturation and upgrading measures (two artificially created islands in the upper water area) on the Limmat in Turgi and Untersiggenthal.
Today's production
The main power plant Schiffmühle has three machine groups with three vertical Kaplan turbines (output 2 × 1.3 MW and 1 × 0.86 MW, maximum water use 95 m³ / s. Gross head 3.2 m, average annual production 17 GWh). The doping power plant has a bevel gear tube turbine (output 0.5 MW, maximum water use 14 m³ / s, gross head 3.17 m, average annual production 1.9 GWh).
With its total electricity production of 18.9 GWh, KW Schiffmühle supplies around 4200 households with renewable energy.
See also
literature
- Walter Wyssling: The development of the Swiss electricity works and their components . Swiss Electrotechnical Association , 1946.
Web links
- IM Maggia Engineering AG: Schiffmühle power plant, new doping plant 2011–2013
- Samuel Schumacher: "s'Grosi" has stopped - the old turbine of the power plant has been replaced. In: Aargauer Zeitung . September 14, 2014
- IG Limmat 2018: Limmat power plant Schiffmühle Turgi-Untersiggenthal (truck)
Individual evidence
- ^ Limmat power plants: Turgi power plant
- ^ Turgi municipality: Turgi spinning mill
- ↑ vamus: AG formerly E. Kappeler-Bebié, cotton mill
- ↑ Mechtronik: History of Schiffsmühle
- ↑ Regional plants: Schiffmühle power plant produces renewable energy in Untersiggenthal
