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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 3m x 17m in size and 2000 tons in weight. [13] It is penetrated by standpipes for fuel and control channel assemblies ...
English: Generation II nuclear reactor vessel sizes of similar power output: PWR: typical Westinghouse 4 loop reactor pressure vessel (3411MWt, 1125MWe). CANDU: Darlington reactor calandria (2657MWt, 935MWe). BWR-4 reactor pressure vessel (3293MWt, 1098MWe). RBMK-1000 reactor steel vessel, biological shields, and water tank (3200MWt, 1000MWe).
Generation II reactor designs generally had an original design life of 30 or 40 years. [3] This date was set as the period over which loans taken out for the plant would be paid off. However, many generation II reactors are being life-extended to 50 or 60 years, and a second life-extension to 80 years may also be economical in many cases. [ 4 ]
Containment systems for nuclear power reactors are distinguished by size, shape, materials used, and suppression systems. The kind of containment used is determined by the type of reactor, generation of the reactor, and the specific plant needs. Suppression systems are critical to safety analysis and greatly affect the size of containment.
The plant has four nuclear reactors of the RBMK-1000 type, Units 1 and 2 of which are first generation units similar to that of Kursk and Chernobyl units 1 and 2 and 3 and 4 are second generation similar to Chernobyl 3 and 4. Each unit has a separate reactor building but the turbine hall is shared between 2 reactors. [2]
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. The reactors were abandoned afterwards ...