If the shape of tailrace pipe is changed, the pressure pulse can be removed so that the vibration of generating unit can be reduced.
如改变尾水管形状，可以消除涡带压力脉动，减小机组振动。
The vibration of generating unit, which is one of important parameters of analyzing generation unit's normal operation, is more paid attention to users.
机组振动是分析机组安全运行的重要参数之一，越来越多地受到用户的注意。
The vibration generating mechanism of a new type of mechanical transmission unit have been analyzed and revealed through theoretical analysis and vibration measurement on a test-rig.
通过对三环减速机环板动态受力过程的分析与振动试验，揭示了其振动发生根源。
Furthermore, it is proved that the diagnosis method based on fuzzy theory is feasible and superior through a real example of vibration fault of an actual hydroelectric generating unit.
并以实际机组的振动故障为实例，验证模糊故障诊断方法的可行性和优越性。
Vibration generating device is arranged on blade wheel and composed of at least one stator, at least one movable unit and at least one sliding track.
固定子被固定在滑行轨道上，而可动子位于滑行轨道上且可沿滑行轨道移动，借以使震动发生装置具有 震动提醒功能。
Vibration generating device is arranged on blade wheel and composed of at least one stator, at least one movable unit and at least one sliding track.
固定子被固定在滑行轨道上，而可动子位于滑行轨道上且可沿滑行轨道移动，借以使震动发生装置具有 震动提醒功能。
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