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.
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。
The exciter vibration is a more general problem in existing operational steam turbine generator unit.
励磁机振动是汽轮发电机组运行中较为普遍的一个问题。
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.
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。
In this paper, the vibration characteristics of frame foundation for steam turbine-generator set are performed by model modal test method.
采用模型模态试验方法对汽轮发电机组框架式基础的振动特性进行了研究。
In this paper, the vibration characteristics of frame foundation for steam turbine generator set is performed by model modal test method.
采用模型模态试验方法对汽轮发电机组框架式基础的振动特性进行了研究。
Shaft vibration and bearing temperature increases at shifting steam turbine inlets mode in some turbine-generator sets.
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。
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.
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。
Reasons for the internal vibration of steam turbine are discussed and analyzed from the point of view of design and manufacture. And also the article suggests method to avoid this internal vibration.
从汽轮机的设计和制造方面,讨论分析了引起汽轮机内部激振的各种原因,并提出了避免激振的方法。
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.
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。
Along with the increase in the capacity of steam turbine-generator unit, the amplitude of random vibration of the unit will increase remarkably.
机组容量的增大会使发生在汽轮发电机组上的随机振动幅值显著增大。
This paper describes the mechanism and diagnosis method of vibration of steam turbine arising from the moving parts on rotor and details the diagnosis of vibration fault of one 200 MW steam turbine.
论述活动部件引起振动的机理和诊断方法,详细介绍一台200MW机组振动故障的诊断。
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.
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。
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.
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。
Presently, the method of steady state unbalanced currents is widely used in the field test of torsional vibration characteristics of large-scale steam turbine generator rotor system.
目前大型汽轮发电机组轴系扭振特性的现场试验中广泛采用稳态不对称短路变频激振法。
Since the co 2 compressor train was put into use, failure of vibration high alarm and high trip happened to the steam turbine several times during the startup.
二氧化碳压缩机组自投产运行以来多次发生启机时振动高报警及高联锁跳机的事故,导致开车的失败。
In order to study the fault mechanisms of rotating machinery, the vibration of a 200mw steam turbine generator in a power plant is measured during running down the generator.
为了分析研究旋转机械的故障机理,对某发电厂200MW汽轮发电机组的停机过程进行了现场测试。
This paper presents the whole process of vibration analysis and troubleshooting of a steam turbine generator, which exhibited oil-excited instability during load up.
汽轮发电机组轴系失稳是关系到设备安全运行的重要振动故障。介绍了一台汽轮发电机组典型油膜振荡振动故障的分析处理过程。
The main cause of the steam turbine blade lose efficacy is that the blade produce resonance as some type of vibration, and the last conclusion in this article verify this theory again.
叶片产生某种振型的共振是造成汽轮机叶片失效的主要原因,本文最后的结论再次验证了这一理论。
The main cause of the steam turbine blade lose efficacy is that the blade produce resonance as some type of vibration, and the last conclusion in this article verify this theory again.
叶片产生某种振型的共振是造成汽轮机叶片失效的主要原因,本文最后的结论再次验证了这一理论。
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