A pressurized water reactor (PWR) is a nuclear reactor that uses light water (i.e., ordinary purified water) as a coolant and moderator, with the water remaining in a liquid state within the reactor. It adopts a primary and secondary loop design, the radioactive primary loop is separated from the secondary loop, ensuring that the radioactive primary coolant does not enter the secondary loop to contaminate the turbine. The operation and maintenance of the unit are convenient, and it is the main model used in China's nuclear power plants.
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