【摘要】 系统介绍了北京第二热电厂 2 0世纪 70年代末投运的 4台抽汽式 5 0MW汽轮机超速保护系统注油试验装置存在的问题 ,分析了装置的失效原因 ,提出了相应的改进措施 ,较彻底地解决了 4台汽轮机注油试验装置拒动失效的问题 ,在安全、经济上取得较好的收益。更多还原

【Abstract】 Troublesome problems existing in oil injecting test device of overspeed protective systems for four extraction steam turbines with unit capacity of 50MW put into operation in 1970s at Beijing Thermal Power Plant No.2 have been systematically described, the causes of device failure are analysed, and corresponding retrofit measures are put forward, having more thoroughly solved the problems of miss operation and failures in the oil injecting test devices for four said turbines, obtaining better benefits of safe and economic operation.更多还原