NUCLEAR POWER PLANT HAVING IMPROVED COOLING PERFORMANCE AND METHOD FOR OPERATING SAME

摘要

The present invention relates to a nuclear power plant having improved cooling performance and a method for operating the same. The nuclear power plant having improved cooling performance according to the present invention includes: a reactor including a reactor core; a high temperature pipe and a low temperature pipe extending from the reactor; a mixed-type safety injection tank which contains cooling water, is connected to the low temperature pipe and the reactor, and is positioned higher than the reactor; a cooling water tank connected to the reactor and positioned higher than the reactor; and a pressure reducing valve connected to the high temperature pipe.