STEAM GENERATOR ACCIDENT MITIGATION SYSTEM

摘要

A steam generator accident response system is disclosed. A steam generator accident response system according to an exemplary embodiment of the present invention includes a steam generator installed inside a containment building, and a main steam pipe having one end connected to the steam generator and the other end located outside the containment building. A steam generator accident response system for dealing with an accident occurring in the steam generator of a power plant, comprising: a pressurized tank installed inside the containment building and including a first cooling water and a non-condensable gas for pressurizing the first cooling water; At least one connecting pipe connecting the steam generator and the pressurized tank and at least one connecting pipe valve respectively installed in the at least one connecting pipe and capable of adjusting the degree of opening of the connecting pipe, wherein the at least one When the connecting pipe valve of ' is opened, the movement of the fluid from the steam generator toward the pressurized tank or the movement of the fluid from the pressurized tank toward the steam generator may be made according to the degree of pressure in the steam generator.