立轴旋涡在水电站引水管道、导流隧洞、溢洪道、水泵站等进水口前时有发生。

The vertical vortex frequently occurs at hydraulic intakes such as diversion pipeline, diversion tunnel, spillway and pumping station.

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通常对设有调压室的引水管道进行水击计算时，常规计算方法认为调压室能完全反射水击波。

When calculating water hammer force in derivation conduit with a surge chamber, the ordinary method usually thinks that the surge chamber can completely reflect the water hammer wave.

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文中推导了调节对象(压力引水管道、水轮机、发电机及其所在电网)与PID调速器组成的调节系统稳定域数学表达式。

A mathematical expression of the stable region of a regulative system composed of PID speed regulators and regulated sets is derived in this paper.

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