Title: Analysis on Vibration Test in Site for Unit of Three Gorges Hydropower Station
Abstract: According to the results of vibrating test in site for unit 8# of Three Gorges Hydropower Station,including tests of variable rotational speed,variable load,and hydraulic pressure pulse,it is found that there exists a bit dynamic imbalance in the rotational part,what is more,the water pressure pulse of draft pipe has shown three main characteristic areas when the unit is operated under water level of 135 m.It illuminated that pressure pulses of draft pipe had huge vibration energy that is the main vibration resource to make top vibrating,and draft pipe structure breaking.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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