Real-time Simulation (RTS) has long been used in the nuclear power industry for operator training and engineering purposes. And, online simulation (OLS) is based on RTS and with connection to the plant information system to acquire the measurement data in real time for calibrating the simulation models and following plant operation, for the purpose of analyzing plant events and providing indicative signs of malfunctioning. OLS has been applied in certain industries to improve safety and efficiency. However, it is new to the nuclear power industry. A research project was initiated to implement OLS to assist operators in certain critical nuclear power plant (NPP) operations to avoid faulty conditions. OLS models were developed to simulate the reactor core physics and reactor/steam generator thermal hydraulics in real time, with boundary conditions acquired from plant information system, synchronized in real time. The OLS models then were running in parallel with recorded plant events to validate the models, and the results are presented.

中文翻译：

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核电厂一次系统的在线仿真

实时仿真（RTS）长期以来一直在核电行业中用于操作员培训和工程目的。并且，在线仿真（OLS）基于RTS并连接到工厂信息系统，以实时获取测量数据，以校准仿真模型并跟踪工厂运行，以分析工厂事件并提供故障指示信号。OLS已应用于某些行业，以提高安全性和效率。但是，这对核电行业来说是新的。启动了一个研究项目，以实施OLS来协助某些关键核电站（NPP）运营商的运营商避免出现故障情况。开发了OLS模型来实时模拟反应堆堆芯物理特性和反应堆/蒸汽发生器的热液压，从工厂信息系统获取的边界条件实时同步。然后将OLS模型与记录的工厂事件并行运行以验证模型，并显示结果。