【摘要】 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。更多还原

【Abstract】 his paper introduces the development of a computercontrol system used for nuclear power plant main feedwater process. explains the system hardware assembling and s0ftware compiling and meanwhile analyzes the problems such as computer backup, varibles regulation, valve switching, tracing and anti-windup etc, Field operation shows that the design is successful and superior to the oringinal system.更多还原