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RBMK reactor with fuel channel covers. The top of the reactor is covered by the upper biological shield (UBS), also called "Schema E", or, after the explosion (of Chernobyl Reactor 4), Elena. The UBS is a cylindrical disc of 3 m × 17 m in size and 2000 tons in weight. [14] It is penetrated by standpipes for fuel and control channel assemblies ...
On 3 December 1991, due to faulty equipment and lack safety rule compliance, 10 new fuel rods were dropped and damaged. The staff tried to conceal the accident from the plant's management. [13] In March 1992, an accident at the plant leaked radioactive gases and iodine into the air through a ruptured fuel channel. This was the first accident at ...
RBMK reactor fuel was used in Soviet-designed and built RBMK-type reactors. This is a low-enriched uranium oxide fuel. The fuel elements in an RBMK are 3 m long each, and two of these sit back-to-back on each fuel channel, pressure tube. Reprocessed uranium from Russian VVER reactor spent fuel is used to fabricate RBMK fuel.
Chernobyl Reactors 5 and 6 are unbuilt reactors, a part of Chernobyl Nuclear Power Plant's third generation phase. Intended as RBMK-1000 units capable of approximately 1,000 megawatts each, construction began on 1 July 1981 and was partially completed by the time of the Chernobyl disaster on 26 April 1986.
A typical RPV. Russian Soviet era RBMK reactors have each fuel assembly enclosed in an individual 8 cm diameter pipe rather than having a pressure vessel. Whilst most power reactors do have a pressure vessel, they are generally classified by the type of coolant rather than by the configuration of the vessel used to contain the coolant.
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The Ignalina Nuclear Power Plant contained two Soviet-designed RBMK-1500 water-cooled graphite-moderated channel-type power reactors. After the Chernobyl disaster of April 1986, the reactor was de-rated to 1,360 MW. Each unit of the power plant was equipped with two K-750-65/3000 turbines with 800 MW generators built by the Kharkiv turbine ...
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