BWR Nuclear Power Plant - How it works?

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The Boiling Water Reactor is a large steel vessel partially filled with water. During operation, the upper part is full of steam. The core with nuclear fuel is located in the lower part of the reactor. Control rods with a cruciform cross-section are inserted between the fuel bundles from below. When they are pulled out, the intensity of the fission reaction increases.

The water constantly flowing through the core is heated. It boils directly in the reactor and produces steam. The steam is dried in moisture separators situated in the upper part of the reactor. The dry steam is led directly to the turbine.

The energy of the steam turns the turbine blades. After exiting the turbine, the steam is cooled, condensed into water in the condensers and returned to the reactor. Cooling is provided by cooling towers or by cooling water from the river or sea, if available.

The turbine is on a common shaft with the electric generator. It spins and generates electricity.

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