THOMAS NILSEN / SCIENCE PHOTO LIBRARY THOMAS NILSEN / SCIENCE PHOTO LIBRARY
Reactor control room. Workers in a control room of the Kola VVER nuclear power station in Russia. Four VVER pressurised light water reactors at Kola were opened between 1973 & 1984. They produce 1644 megawatts of electricity each. VVER reactors use the break-up (fission) of atoms in their uranium fuel to create heat. The fuel is cooled by pressurised water which is circulated between the reactor and a heat exchanger. In the heat exchanger the pressurised water heats water in a secondary circuit to form steam. This steam drives turbines to generate electricity before being cooled, condensed and passed back into the heat exchanger.
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