压水堆CAP1400是基于中国核工业研发体系和装备制造能力以及非能动压水堆AP1000的引进和消化吸收,并经过集成创新与再创新而形成的具有自主知识产权的第三代非能动先进压水堆核电型号。本文通过对CAP1400的总体设计思路、主要性能指标和技术参数、电站安全设计,以及在安全性、经济性和先进性等方面的阐述,论述了CAP1400作为第三代压水堆堆型的技术内涵和技术创新。此外,作为国家科技重大专项的成果,CAP1400型号的研发促进了中国自主核电在研发设计、试验和设备制造水平方面的整体提升,实现了核电设计与装备技术由第二代到第三代的升级。 Pressurized water reactor CAP1400 is based on China’s nuclear industry R & D system and equipment manufacturing capabilities as well as the introduction and digestion and absorption of non-active pressurized water reactor AP1000 and the third-generation passive advanced pressure with independent intellectual property formed through integrated innovation and re-innovation Water reactor nuclear power model. In this paper, the CAP1400 as the third generation PWR technology connotation is discussed through the overall design of the CAP1400, the main performance indicators and technical parameters, power station safety design, as well as the safety, economy and advanced aspects of the elaboration And technological innovation. In addition, as a result of major national science and technology projects, CAP1400 model research and development has promoted the overall improvement of R & D and design, testing and equipment manufacturing of China’s autonomous nuclear power and realized the upgrade of nuclear power design and equipment technology from the second generation to the third generation .