It presents the design concept and solution , including system integration architecture , communication network design and monitoring software of Radiation Monitoring System in Sanmen&Haiyang AP 1000 nuclear power plant .The design of AP1000 radiation monitoring system has been simplified comparing to general Pres-surized Water Reactor .Radiation monitoring network is composed of the radiation monitoring computer system ( CRPS-1000 ) and four kinds of radiation monitors through standard interface .The data of radiation monito-ring system are monitored and managed by CRPS -1000 .%介绍了三门和海阳AP1000核电厂辐射监测系统的设计理念及解决方案，包括系统的集成架构、通信网络设计和监控软件等内容。 AP1000的辐射监测系统与传统压水堆相比，进行了简化设计。由一套辐射监测计算机系统（ CRPS-1000）通过标准接口与四类辐射监测仪组成辐射监测网络，集中监视和管理辐射监测系统数据。
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