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Kruonis Pumped storage hydroelectric plant is the only hydro power plant of such type in Baltic states. After commissioning of the fourth unit in 1998, installed capacity of the plant has reached 900MW. During periods of low demand, usually at night, Kruonis PSHP is operated in pump mode, and, using cheap surplus energy, raises water from lower reservoir to upper one. With fully filled upper reservoir the plant can generate 900 MW for about 12 hours. Automatically started, the plant can reach full capacity in less than 2 min. Rapid response to demand is very important in case of emergency in the power system, such as shutdown of Ignalina nuclear power plant. Another important feature of the plant is frequency and voltage regulation capability. Operated in synchronous condenser mode with depressed water from draft tube each unit of the plant can change output of reactive power from 120 MVAr to +180 MVAr. Two frequency converters, 16 MW capacity each, are used for smooth starting in pump mode. Watch movie about Kruonis PSHP
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| 2005-2011 Kruonis HAE. Privacy politics. Solution: Neosymmetria. Lietuvos Energija, AB, Kruonio hidroakumuliacinė elektrinė, Kaišiadorių raj. Tel. (8~528) 30259, fax (8~528) 30430 |
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