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通过对百万千瓦级压水堆核电机组汽轮机特点的分析,论述了核电机组汽轮机转速的选择,重点介绍了半转速汽轮机的特点和投资成本,以及热力参数及通流面积等方面的选择原则。对核电机组汽轮机与反应堆容量匹配,以及通流面积的匹配进行了论证,为核电机组汽轮机的选型设计及设备招标提供基本的参考依据。
Based on the analysis of the characteristics of steam turbines of one million kilowatt PWR nuclear power plant, the selection of the turbine speed of the nuclear power generating units is discussed. The characteristics of half-speed steam turbines, the investment cost, the choice of thermal parameters and the flow area are also discussed. The matching of turbines and reactor capacity of nuclear power units and the matching of flow passage area are demonstrated, which provides the basic reference for the selection design and equipment bidding of the turbines of nuclear power units.