The article introdues the overspeed characteristics of load throw-off and calculation mathod for fossil steam turbine. The overspeed calculation and detailed analysis are shown by example, and compared with calculation of ASME method.

• 介绍汽轮机的甩负荷超速特性与计算方法,用实例进行计算与详细分析,并与ASME方法的计算相比较。