750kV-powerline Widelka-Khmelnytskyi
Encyclopedia
The Rzeszów–Khmelnytskyi powerline is an electrical power transmission line between Ukraine
Ukraine
Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

 and Poland
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

. It is the only 750 kV-powerline in Poland and one of the few of it in the European Union of this type.

History

The decision to build this powerline was made in 1977 and it went in operation in 1985. The line went out of service after Poland joined the synchronous grid of Continental Europe (UCTE). However, there is a plan to re-activate this line after 2010 by constructing back-to-back station on the Polish end of the line. The first report on the back-to-back station was prepared already in 1995.

Technical description

It has a length of 395 kilometres (245.4 mi), of which 281 kilometres (174.6 mi) in Ukraine and 114 kilometres (70.8 mi) in Poland. It runs from Widełka substation near Rzeszów
Rzeszów
Rzeszów is a city in southeastern Poland with a population of 179,455 in 2010. It is located on both sides of the Wisłok River, in the heartland of the Sandomierska Valley...

 in Poland to Khmelnitskiy Nuclear Power Plant
Khmelnitskiy Nuclear Power Plant
The Khmelnitskiy Nuclear Power Plant is a nuclear power plant in Netishyn, Khmelnytskyi, Ukraine. The plant is operated by Energoatom. Two VVER-1000 reactors are operational, each generating 1000 MW of electricity. Construction of the first reactor started in 1981 and the first unit was put in...

 in Ukraine. It is the AC
Alternating current
In alternating current the movement of electric charge periodically reverses direction. In direct current , the flow of electric charge is only in one direction....

 line, which has a single circuit. It can transfer a maximum power of 1300 MVA.

As pylons guyed portal pylons are used. Strainers are from special design. They consist of three free-standing lattice towers each carrying one conductor. Each strainer tower has a crossbar at which the conductor is led around the structure on a huge insulator.

See also

  • Albertirsa–Zakhidnoukrainskaya–Vinnytsia powerline
  • Vetrino–Isaccea–Yuzhnoukrainsk powerline
    Vetrino–Isaccea–Yuzhnoukrainsk powerline
    The Vetrino–Isaccea–Yuzhnoukrainsk powerline is the third 750 kilovolts powerline running from Ukraine to the European Union.-History:Construction of a 750 kV powerline from Ukraine through Romania to Bulgaria was agreed together with construction of the South Ukraine Nuclear Power Plant...

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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