测温元件选型对火电机组温度测量精确度的影响分析

Analysis the impact of Temperature Measurement Accuracy for Temperature Measurement Component Selection to the Thermal Power Units

大型火电机组温度信号的准确测量,对机组的安全、经济运行起着至关重要的作用。热电偶、补偿导线及热电阻的正确选型是保证温度测量准确性的关键。文章针对火电机组在热电偶、补偿导线及热电阻的选型和使用中遇到的常见问题进行了分析,具有较强的指导意义。

The accurate measurement of the temperature signal for large thermal power plant plays a vital role in the unit ＇ s security, economic operation. Thermocouple, compensation wire and heat resistance＇ s correct selection is the key to ensure temperature accuracy. The paper analyzes the selection of thermocouple, compensation wire and heat resistance and the common problems in application, it has strong significance.