介绍了一种基于DSP的汽轮机振动状态监测仪的总体结构和软硬件设计思想。
The design idea and function of a DSP-based turbine vibration condition monitoring instrument are introduced in the paper.
对硝铵车间j 1 01汽轮机振动大、噪声大的现象进行诊断，诊断结果为油膜振荡。
The phenomena of serious vibration and noise of J101 steam turbine in ammonium nitrate shop are diagnosed. The result of diagnosis is oil film oscillation.
结果表明：在故障检测前先采用最优小波包基方法对故障信号进行消噪，有利于提高汽轮机振动检测的准确性。
Measure test results show that signal denoising with BWPB prior to fault measurement is advantageous to enhancing the accuracy of steam turbine vibration fault detection.
虽然在故障机理的研究方面已经取得了大量的成果，但大型汽轮机组的振动故障机理仍然没有全部明确，亟须进一步的深入研究。
Although in the fault mechanism research has made a lot of achievements, but large turbine units of the vibration fault mechanism, it is still not clear all further research.
研究表明：高速动平衡是降低汽轮机转子振动的一种有效方法。
The experiment results show that high speed dynamic balance is an effective method to reduce vibration of turbine rotor.
介绍汽轮机异常振动的特征表现、原因分析及预防措施。
The paper introduces the characterization, reason analysis, and precautionary measure of one turbine's abnormal vibration.
某300MW汽轮机切换顺序阀时产生振动突升问题，影响机组的安全性和经济性。
When Change the sequence valve of 300mw turbine, vibrating increased. This effected the safety and economy of the turbine.
该文就一台2 0 0MW机组汽轮机改造后通流部分出现的振动问题进行了分析，并提出了处理意见和解决办法。
The paper presents an analysis of why vibration problems appeared in a 200mw steam turbine set after its blading having been retrofitted, followed by Suggestions for solving them.
对东方汽轮机厂生产的D29型机组低压转子的振动特性进行了分析，指出低压缸缸体在工作转速附近存在结构共振，并针对这个问题提出了现场的处理措施。
The LP rotor vibration of the D29 turbine unit was analyzed in this article, and point out LP cylinder was in structure resonance region around working speed, for this fault the measure was given.
本文给出了从边界条件着手考虑叶根柔度影响的汽轮机叶片组的振动计算方法。
A calculation method for blade group vibration is presented starting with boundary assumptions to take care of the influence of root flexibility.
部分大型汽轮机组在进汽方式切换时，高压缸轴承振动与瓦温存在爬升现象。
Shaft vibration and bearing temperature increases at shifting steam turbine inlets mode in some turbine-generator sets.
本文利用振动测试记录，具体论证了汽轮机排汽端一侧轴承松动，而导致汽轮机第二临界转速共振和强烈共振。
By analysing the amplitude of the shaft vibration, this article concludes that when the bolts get loose, it will result in resonance at the second critical speed and serious vibration.
某热电厂CC12-4.90/0.98/0.294型双抽冷凝式汽轮机在运行中出现了振动过大现象，停机揭缸后发现次末级有两片叶片从叶片约三分之一处断掉。
HuangGu Thermal Power Plant CC12-4.90/0.98/0.294 condensing turbine with two intermediate stage extractions appears excessive vibration in the operation.
针对汽轮发电机组振动振幅受运行参数及随机因素影响的特点，提出了用人工神经网络中的递推合成BP网络对汽轮机的振动故障进行多因素预测。
Vibration amplitude of steam turbine is affected by operation parameters and random factors, the paper Contributes a Prediction method using multifactor model of recurrent combined BP networks.
叙述了湛江发电厂3号机组a汽动给水泵汽轮机2号瓦振动问题的分析及处理的整个过程，指出造成2号瓦振动大的主要原因是不平衡及轴瓦刚性差。
This paper presents the vibration analysis and treatment of No. 2 bearing of the steam turbine for Unit 3 turbine driven feed water pump a in Zhanjiang Power Plant.
本文分析了汽轮机叶片振动能量耗散的机理，介绍了叶片振动的机械阻尼和气动阻尼的概念。
Studies are made in the article on the mechanism of the dissipation of turbine blade vibration energy and concepts are defined for the mechanical and pneumatic damping of blade vibration.
查明了汽轮机联轴器螺栓断裂是导致振动的主要原因，更换螺栓后振动得以消除。
After confirming that the vibration was caused by the bolts breaking of steam turbine 's coupling mainly, the bolts were replaced so that the vibration was eliminated.
本文采用改进的自由界面模态综合法计算汽轮机叶片组的固有振动。
In this paper, the improved free-interface coupling method is adopted for dyna - mic analysis of blade groups.
该系统能够在线采集故障数据，并进行离线的故障分析，实现了汽轮机组轴系振动故障的分类和发现早期轻微故障的目的。
The diagnosis system is able to collect fault data on-line and analyse the fault off-line, which achieves classification of turbine shafting vibration fault and detect early slight fault.
通过严格的轴瓦检查和中心调整，消除了汽轮机转子及轴系不平衡，使机组达到良好的振动水平。
By checking and readjustmenting on the unit's concerned parts, the unbalance on shafts and rotors is improred and No. 8 unit operates at a quite good vibration level.
文中对汽轮机叶片—叶轮系统(轮系)耦合振动特性进行了理论和实验研究。首先介绍了一种简便实用的计算轮系振动特性的数值积分方法。
This paper proceeds the theoretical and experimental researches on the coupled vibration features of blade-blade wheel system (wheel system) for steam turbines.
文中对汽轮机叶片—叶轮系统(轮系)耦合振动特性进行了理论和实验研究。首先介绍了一种简便实用的计算轮系振动特性的数值积分方法。
This paper proceeds the theoretical and experimental researches on the coupled vibration features of blade-blade wheel system (wheel system) for steam turbines.
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