Pressurized Water Reactor

Nuclear Energy

Light-water reactor with a secondary steam circuit.

A PWR keeps primary water liquid under high pressure and raises steam in a secondary circuit via steam generators.

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The pressurized water reactor (PWR) uses light water at a pressure of 15.7 MPa as a coolant. Steam in the secondary circuit propels the turbine.

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Light-water reactor that boils in the core.

Heat exchanger that makes steam in a PWR.