Abstract: Abstract:Taking the Zhengchangzhuang Gasfired Thermal Power project as example, aiming at the fluctuation of steam hydrogen cation conductivity of the gassteam combined cycle unit, the exceeding standard data of hydrogen cation conductivity of lowpressure steam were analyzed. The deaeration conductivity analyzer was installed, and the reasons cause the hydrogen cation conductivity to exceed standard were found. The result in this paper provides effective basis for the equipment governance.

Key words: Keywords:gassteam combined cycle;lowpressure steam;hydrogen cation conductivity, exceeding standard analysis