然后，以国产引进型300MW汽轮机凝汽器为例，计算汽轮机负荷及冷却水温度对水环真空泵汽蚀余量的影响。

Then taking the domestic 300MW steam turbine condenser as example, the effect of steam turbine load and cooling water temperature on cavitation surplus are calculated.

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为了获得良好的抗汽蚀性能，对磁力泵叶轮采取低汽蚀余量设计措施，同时配置变螺距诱导轮。

In order to get a good performance on preventing cavitation, the impeller of magnetic driving pump is designed in low-NPSHR method and variable-pitch inducer is installed.

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论述了离心泵转速提高对流量、扬程、功率、汽蚀余量等参数的影响。

The paper discusses the effect of rotation rate on property parameters such as flow volume, delivery lift, power and cavitation etc.

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