苏丹喀北电站汽机资 1.5冷态启动冲转条件 a)主蒸汽压力0.98MPa,主蒸汽温度250℃; b)油温40℃,到45℃间,润滑油压在0.098±0.0196MPa间,调节油压在:抗 燃油为14.8 MPa,透平油为1.96±0.1MPa间; c)冷凝器压力在45-50kPa间; d)盘车运行正常,连续盘车时间不小于2h; e)大轴晃动值不超过原始晃动值0.02mm。
f)抗燃油或透平油油质不合格,油温低于正常(油系统充满油后); g)保温不完整; h)主要仪表(如轴向位移,相对膨胀,转速表及重要金属温度表,主 蒸汽压力和温度表等)失灵时; i)汽缸调节级区域上下缸温度超过50℃; k)汽轮机真空不能保持0.067MPa时。 f) EH oil or turbine oil is not qualified, and oil temperature is abnormal (after oil system is full of oil); g) Insulation is not complete; h) Main instruments (such as axial displacement, relative expansion, tachometer and important metal thermometer, main steam pressure condenser vacuum meter and thermometer) has failure; i) The upper and the lower casings temperature of turbine governing stage area exceeds 50℃. j) Vacuum of turbine can not keep at 0.067MPa.