Zwettl power plant
| Zwettl power plant | ||
|---|---|---|
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| location | ||
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| Coordinates | 48 ° 35 '11 " N , 15 ° 9' 8" E | |
| country |
 Austria Lower Austria
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| place | Gschwendt (municipality of Zwettl-Lower Austria) | |
| Waters | Camp | |
| power plant | ||
| owner | evn natural force | |
| operator | evn natural force | |
| construction time | 10 months | |
| Start of operation | January 6, 1898 | |
| technology | ||
| Bottleneck performance | 0.211 megawatts | |
| Average height of fall |
9 m | |
| Expansion flow | 3 m³ / s | |
| Standard work capacity | 1.25 million kWh / year | |
| Turbines | Kaplan bulb turbine | |
| Generators | Submersible generator | |
| Others | ||
The Zwettl hydropower plant is a run-of-river power plant located in the municipality of Gschwendt in Zwettl-Lower Austria on the Kamp River . As of 2019, the power plant is operated by evn naturkraft .
The small hydropower plant built in 2010 , designed as a diversion power plant , has an installed capacity of 211 kW . The new plant replaces the historic power plant in the immediate vicinity, which was built in 1898 after a construction period of almost a year. In the early years, the old power plant served to supply the then new type of electrical street lighting in the neighboring district capital of Zwettl and was the first three-phase alternating current power plant in Austria-Hungary . Just a few years later, the power plant was supplying several surrounding villages via overhead lines and in order to meet the demand that continued to rise up until the Second World War , generators powered by a locomobile were also put into operation as part of the power plant operation. These mobile steam engines made it possible to provide electrical energy even when the water was low in the Kamp. At the end of the 1930s and around the creation of the Allentsteig military training area , the supply area decreased due to the settlement of the communities in the military training area.
The historic hydropower plant, the machine house of which was preserved at the site as of 2019, was in operation until 2008, apart from interruptions primarily due to the war. In 2010 the power plant was completely renovated and the old parts of the plant were taken out of service. With the new power plant, compared to the old system, it was possible to achieve the standard energy capacity of previously 0.5 GWh per year, with an installed capacity of 80 kW, an increase to 1.25 GWh per year, with an installed capacity of 211 kW. The improvement in efficiency is mainly due to the replacement of the Francis turbine built in 1908 with a Kaplan bulb turbine and a doubling of the absorption capacity from 1.5 m³ / s to 3 m³ / s. This is associated with a higher water withdrawal from the Kamp. A permanently connected submersible generator, designed as a salient pole machine, is attached to the bulb turbine . The averaged output of the new power plant over the year is almost 150 kW and the electrical energy is fed directly into the regional medium-voltage network.
Individual evidence
- ↑ a b New EVN small hydropower plant in Zwettl completed. 2010, accessed October 10, 2019 .
- ↑ a b January 6, 1898: Opening of the Zwettler E-Werk. City of Zwettl-NÖ, accessed on October 10, 2010 .