Areva Np Gmbh

Dorothee Henras

Song Hui Zheng

A method is provided for operating a nuclear reactor. The method includes operating the nuclear reactor for at least one plutonium equilibrium cycle during which the core contains plutonium-equilibrium nuclear fuel assemblies; subsequently, operating the reactor for transition cycles, at least some of the plutonium-equilibrium nuclear fuel assemblies being progressively replaced with transition nuclear fuel assemblies and then with uranium-equilibrium nuclear fuel assemblies; and then operating the nuclear reactor for at least one uranium equilibrium cycle.

Method of operating a pressurized-water nuclear reactor allowing same to pass from a plutonium equilibrium cycle to a uranium equilibrium cycle and corresponding nuclear fuel assembly

Method of operating a pressurized-water nuclear reactor allowing same to pass from a plutonium-equilibrium cycle to a uranium-equilibrium cycle and corresponding nuclear fuel assembly

A method is provided for operating a nuclear reactor. The method includes operating the nuclear reactor for an initial cycle during which a core contains initial nuclear fuel assemblies; then operating the nuclear reactor for transition cycles, at least some of the initial nuclear fuel assemblies being progressively replaced, during the replacement steps preceding the transition cycles, with transition nuclear fuel assemblies or with plutonium-equilibrium nuclear fuel assemblies; and then operating the nuclear reactor for at least one plutonium equilibrium cycle during which the core contains only plutonium-equilibrium nuclear fuel assemblies.

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Saint-Nom-la-Breteche, France

Dorothee Henras