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该文介绍了某核电站主给水计算机控制系统的开发研制工作，阐述了系统的硬件配置及软件编制，着重分析讨论了计算机与原仪表系统间的热备、实时控制软件开发中的变参数调节、主阀旁阀切换、跟踪与防积分饱和等问题。运行结果证实系统的开发应用获得成功，其控制品质优于原仪表控制系统。
This paper introduces the research and development of computer control system of main feed water of a nuclear power station, elaborates the hardware configuration and software preparation of the system, emphatically analyzes and discusses the hot standby between the computer and the original instrumentation system, the variable parameter adjustment in real-time control software development, The main valve side valve switching, tracking and anti-integration and other issues. The result of the operation proves that the development and application of the system is successful and its control quality is better than the original instrument control system.