Abstract
Abstract In terms of the problems of large vibration pendulum in some working conditions and obvious vibration sensation in local plant and water delivery system of Heimifeng pumped storage power station, test and analysis were carried out on two different runner units before and after transformation in the same flow channel, revealing the difference of pressure pulsation transmission characteristics and vibration response of different runner hydrostatic interference. The test results show that the modified runner with long and short blades is feasible and effective for reducing the pressure pulsation caused by dynamic and static interference and controlling the vibration of the plant, which can provide a reference for the vibration of the unit and the plant in the same type of pumped storage power station.
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