汽机轴封冷却器排风机电气故障浅析

Analysis of Electrical Failure of Exhaust Fan of Shaft Seal Cooler of Steam Turbine

电厂汽机轴封冷却器的排风机电气故障类型主要有热继电器动作、接触器跳闸、漏电保护器动作、故障继电器损坏等,若故障严重会影响机组正常稳定运行和电厂经济效益。浅析了汽机轴封冷却器排风机的电气故障原因,并探讨解决措施。

The main types of electrical faults in the exhaust fan of the shaft seal cooler of a power plant are thermal relay action,contactor tripping,leakage protector action,fault relay damage,etc.If the fault is serious,it will affect the normal and stable operation of the unit and the economic benefits of the power plant.The cause of the electrical failure of the exhaust fan of the turbine shaft seal cooler is analyzed,and the solutions are discussed.