大型火电机组锅炉跳闸硬回路的可靠性分析

Reliability Analysis of Boiler Trip Hard-wired Loop of Large Scale Thermal Power Unit

针对目前火电机组锅炉跳闸硬回路设计特点和应用现状,介绍锅炉跳闸硬回路典型设计原理,着重分析锅炉跳闸硬回路的可靠性。对典型问题提出改进建议,尽可能避免保护系统拒动和误动,为火电厂完善锅炉跳闸硬回路控制方案提供参考。

Based on the design characteristics and application status of the hardwire trip loop in fossil power plant,this paper introduces typical design principle and analyzes the reliability of boiler MFT loop.In order to avoiding act-error or act-refused,this paper gives suggestions for typical problem and provides design reference of hardwire boiler trip loop control.