For prototype test and vibration source analysis on abnormal vibration of3# hydro generating set at Tianshengqiao first cascaded power station, it is useful to find out the vibration source by finite element computation for upper bracket.
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美
- 對天生橋一級電廠(chǎng)3%23組上機架異常振動(dòng)進(jìn)行了真機實(shí)測及原因分析,得到的結果是:振動(dòng)過(guò)大的主要原因是發(fā)電機轉子質(zhì)量不平衡,次要原因是機組軸線(xiàn)不直。
