抽水蓄能电站温度采集系统的设计与应用

Design and Application of Temperature Acquisition System in Pumped-storage Power Stations

温度采集系统的运行情况直接影响到发电机组能否安全稳定运行,因此,分析温度采集系统故障原因,提高系统的长期稳定性和可靠性十分重要。结合惠州抽水蓄能电站温度采集系统的设计及运行情况,对其存在的缺陷进行了总结,并从测温电阻选型、采集回路设计及温度采集装置功能三个方面作了改进。在实际运行过程中,改进后的系统运行稳定,效果良好。

The temperature acquisition system directly affects the safe and stable operation of generating units, and therefore, it is important to analyze the failures for improving the long-term stability and reliability of system. Focusing on the design and operation of temperature acquisition system in Huizhou Pumped-storage Power Station, the system defeets are summarized, and the system is improved from temperature resistance selection, acquisition circuit design and acquisition device functions. The practice shows that the improved system is stable and effective.