介绍了西门子设计制造先进大功率核电汽轮机的长期运行经验,并发展半速饱和蒸汽核电汽轮机,功率达1700MW,末级长叶片高度为1829mm,从设计、工艺、材料选择等方面论述了提高机组出力、提高机组效率、减少腐蚀的方法,其中包括套装叶轮设计、3DSTM叶片技术、高压透平和低压透平等。 Introduced the long-term operation experience of designing and manufacturing advanced high-power nuclear power turbines, and developed a half-speed saturated steam nuclear steam turbine with a power of 1700 MW and a final-stage long blade height of 1829 mm. It discussed the improvement of unit output from aspects of design, technology and material selection , Improve unit efficiency, reduce corrosion methods, including the package impeller design, 3DSTM blade technology, high pressure turbine and low pressure turbine.