... 凝汽器真空低--真空低跳闸;(LOW VACUUM PRESSURE TRIP) 轴振动大--轴振动大跳闸;(SHAFT VIBRATION TRIP) 胀差大--胀差大跳闸;(DIFF EXPANSION TRIP) ...
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导轴承空隙过小,会把转动轴的振动传给支座和基础,导轴承空隙过大,转动轴振动大。
Guide bearing clearance is too small, the vibration of the rotating shaft will be transferred to the bearing and foundation, the bearing clearance is too large, the rotating shaft vibration.
在最后的一次处理中找出机架振动大的根源就是转子磁极松动,导致大轴的摆度加大,下导间隙变大,从而引致机架振动不断增大。
In the last treatment, it was discovered that the problem was caused by loose rotor pole that led to augmented shaft swing and bigger clearance of lower guide bearing.
介绍了大型汽轮发电机组密封瓦振动的机理,经试验分析认为产生振动的原因是密封瓦碰磨、大轴晃度超标。
As a conclusion, the reasons of vibration are that the oil-seal ring create friction and axles flutter exceed standard.
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