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Tskhinvali Railway Station was a railway terminal in the capital of South Ossetia. Until 1991, it was the end station of the 33-kilometer line of the Transcaucasian Railway from the station in Gori.
Tskhinvali[a] or Tskhinval, [b] occasionally called Stalinir during specific contexts, is the capital of the disputed de facto independent Republic of South Ossetia, internationally considered part of Shida Kartli, Georgia (except by Russia and four other UN member states).
Tskhinvali was annexed to the Russian Empire along with the rest of eastern Georgia in 1801. Located on a trade route which linked North Caucasus to Tbilisi and Gori, Tskhinvali gradually developed into a commercial town with a mixed Georgian Jewish, Georgian, Armenian and Ossetian population.
The name of Tskhinvali is derived from the Old Georgian Krtskhinvali (Georgian: ქრცხინვალი), from earlier Krtskhilvani (Georgian: ქრცხილვანი), literally meaning "the land of hornbeams ", which is the historical name of the city. See ცხინვალი for more.
A typical system consists of a flywheel supported by rolling-element bearing connected to a motor–generator. The flywheel and sometimes motor–generator may be enclosed in a vacuum chamber to reduce friction and energy loss. First-generation flywheel energy-storage systems use a large steel flywheel rotating on mechanical bearings.
Power utilities need innovative ways to store renewable wind and solar energy, during low demand periods, so they can release it after sunset when demand is high. Several innovative power utilities already use flywheel storage systems to maintain power grid frequency. Renewable energy is knocking on flywheel energy’s door.
Anything to do with energy storage attracts us, although a flywheel energy storage system is very different from a battery. Flywheels can store grid energy up to several tens of megawatts. If we had enough of them, we could use them to stabilize power grids.
Because a flywheel must be accelerated by an external force before it will store energy, it is considered a “dynamic” storage system. The rate at which the flywheel spins remains nearly constant because of the vacuum-like container, which prevents friction from slowing the revolution.
