火电厂锅炉跳闸硬回路的可靠性分析

Reliability Analysis of Boiler Tripping Hard Loop in Thermal Power Plant

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。

For the design characteristics and application status of the boiler trip hard loop,the typical design principle of the boiler trip hard loop is introduced,and the reliability of the boiler trip hard loop is emphatically analyzed.Reference to the improvement of the boiler trip hard loop is provided for improvement and malfunction of the protection system.