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抽水蓄能电站的机组由水力机械和同步电机组成,这种同步电机称为发电电动机,目前单机容量已达10～50万千伏安,转频范围为100～750转/分,结构布置既有竖轴的(悬式或者伞式),也有横轴的。现代大型抽水蓄能电站的运行特点(在一昼夜内水泵水轮机组的运行方式变换频繁)对电机某些零部件结构提出了一些特殊要求。在研究大型可逆式机组的电机时,必需要考虑这样的一些特殊要求:
Pumped storage power station unit consists of hydraulic machinery and synchronous motor composition, this synchronous motor called the generator motor, the current single capacity has reached 10 ~ 500,000 KVA, frequency range of 100 ~ 750 rev / min, the structural layout of both Vertical axis (suspended or umbrella), but also horizontal axis. The operation characteristics of modern large-scale pumped storage power plants (frequent changes in the operation modes of the pump turbines in a day and night) put forward some special requirements on the structure of some parts of a motor. In the study of large reversing unit motor, you must consider some of the special requirements: