The safe and steady operation of nuclear power plant simulators for use in operator training and examination is closely related with data security management. This paper instruct servers and workstations of the SMNPC NO.1 AP1000 FSS systematically, and analyze simulator data security management and protection method in detail based on data security management method used at home and abroad, put forward a reasonable achievable data backup plan with practice,which can be used for AP1000 FSS data Security management.%核电厂操纵员培训、考试用模拟机的安全、稳定运行，离不开数据安全管理。本文以三门核电一号全范围模拟机为例，系统介绍了AP1000全范围模拟机服务器、工作站结构组成，结合国内外主流数据安全管理策略，详细分析了模拟机数据安全管理、防护措施并给出了经过实际验证的数据备份实施方案，可以为AP1000全范围模拟机的数据安全管理提供参考。
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