In the existing 300mw steam turbine condenser performance curve, the cavitation in water ring vacuum pump is not taken account, so the curve can't exactly reflect the operation state of condenser.

现有的300 MW机组凝汽器特性曲线没有考虑到水环真空泵汽蚀特性对凝汽器运行特性的影响，不能准确反映凝汽器的运行状态。

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The design of the condenser is discussed and the selection of water ring vacuum pump is also introduced.

讨论了冷凝器的设计以及如何合理选择水环真空泵的容量。

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Because of the complicated thermodynamic properties inside the condenser, the type-selective calculation of water-ring vacuum pump is allowed to be different from that in common use.

由于凝气器内复杂的热力学特性，使得水环真空泵的选型计算，不同于一般用途的选型计算，就此问题作扼要叙述。

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