汽轮机危急跳闸系统的工程改造

Upgrade of Turbine Emergency Trip System

首先分析了某发电厂汽轮机危急跳闸系统（ETS）所存在的问题，然后讨论了该系统的具体实施改造方案，最后总结了系统改造后的优点。

The problems existed in turbine emergency trip system(ETS) of some plants are analyzed at first,then the concrete upgrade program of the system is discussed, the advantage of new system is summarized atlast.