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Cause Analysis of Protection Action for Global Furnaces Fire-Extinguish
Author(s): 
Pages: 5-7,17
Year: Issue:  3
Journal: HUNAN ELECTRIC POWER

Keyword:  全炉膛灭火保护分析;
Abstract: 全炉膛灭火是火力发电厂锅炉炉膛主保护中一个动作比较多也是最重要的主保护.引起全炉膛灭火的原因很多.一些运行人员常倾向于用火焰监测系统不可靠或热工保护误动来解释,一旦发现火焰信号不稳定,就怀疑火焰信号测量不准,甚至退出灭火保护,这是很危险的.以益阳电厂FSSS系统调试工作为例来讨论灭火的真正原因.
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