大型水轮发电机组的振动及由振动产生的裂纹是普通存在的现象。
Vibration and crack caused by vibration of hydraulic turbine are an ubiquitous phenomena.
运用故障诊断和频谱分析技术，对透平压缩机组的振动故障进行了诊断。
The vibration faults of the turbine-compressor sets were diagnosed using the technologies of fault diagnosis and frequency spectrum.
隔膜泵机组的振动以及其它故障是影响机组安全、稳定运行的主要因素。
Vibration and other fault of diaphragm pump set is the main factor which affect the factory to run safely and stably.
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。
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.
实际的振动波形表明，机组的振动信号具有非平稳性，其波形具有分形特征。
In fact, vibration wave shows that vibration signal of power sets is non-stationary and has fractal characteristics.
实验结果表明，基于神经网络的预报技术能准确、有效地预报机组的振动趋势。
The result of experiment show the trend prediction technology with neural network can reflect practical vibration trend prediction of machine accurately and effectively.
实例表明，该方法可有效诊断汽轮发电机组的振动多故障，具有良好的应用前景。
The experimental results indicate that the method in this paper is available and has a good foreground.
对五柱塞泵机组的振动激励源进行了分析研究，并对主要激励源振动频率进行了分析、计算；
This paper describes the basic characteristics of the various exciting sources of the pumping set, and analyses and calculates the vibration frequencies of the sources.
混流式水轮发电机组的振动长期以来一直严重影响机组的安全运行，因而为人们所密切关注。
For a long time, the vibration phenomenon of Francis turbine-generator units strongly affects the safe work of the units and attracts the close attention of people.
根据水轮发电机组的振动特点，探讨了适合于水轮发电机组的振动故障诊断方法，即模糊诊断法。
According to the vibration features of hydraulic generator set, the paper discusses a method that is suitable for vibration fault diagnosis, namely fuzzy diagnosis method.
测得了机组的振动量值，对测得的振动信号进行了波形分析、转速谱阵分析及轴心运动轨迹分析。
Tested vibration signal wave form analysis, speed spectrum matrix analysis, and shaft centerline orbit analysis are made.
本文利用现代计算机与单片机技术，实现智能巡检管理系统对水轮发电机组的振动分析、数据采集与处理等功能。
This paper utilizes computer technique and MCU, and realizes water - wheel dynamotor 's wireless communication, vibration analysis, data acquisition and process, and so on.
本文利用现代计算机与单片机技术，实现智能巡检管理系统对水轮发电机组的振动分析、数据采集与处理等功能。
This paper utilizes computer technique and MCU, and realizes water-wheel dynamotor's wireless communication, vibration analysis, data acquisition and process, and so on.
引起水电机组振动的原因复杂，目前主要是通过转速试验、负荷试验和励磁试验等试验手段来判别机组的振动故障。
Due to complexity of hydroelectric units vibration reasons, vibration fault is distinguished mainly by means of rotate speed experiment, load experiment and excitation experiment et al at present.
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.
最后以300MW机组为例，说明其振动测点的一般布置。
Finally, demonstrate the general layout of vibration signals for 300MW unit.
动平衡机机组轴线不正会引动两种方式的振动：弓状回旋。
Dynamic balancing machine unit axis is vibration actuating in two ways: arcuate cyclotron.
最后，对我国水力机组振动特性的研究提出了一些建议。
Finally, some advice as to the vibration investigation for hydraulic-turbines set in our country was put forward.
在汽轮发电机组的各种故障中，振动故障是一类对生产和运行产生很大影响的故障。
In the turbine various fault, the vibration fault is a kind of production and operation of a great influence on the fault.
共振的特点是转子的振幅增大很快，机组将剧烈振动导致了机组被破坏。
The characteristic of resonance is that the amplitude of the rotor increases rapidly, and the vibration of the unit will be destroyed.
水电机组在实际运行过程中所承受的各类动载荷是进行振动分析和动态设计的基础数据。
The dynamic load on powerhouse when operating is the basic data of dynamic design and vibration analysis.
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。
In this paper, the vibration characteristics of frame foundation for steam turbine-generator set are performed by model modal test method.
介绍了处理过程、分析方法及动平衡的一些要点，可以供类似机组振动处理时参考。
This article introduces some main points of treating process, analysis method and running balance which can be looked on as valuable reference when resolving vibration problem of relative units.
真机的部分稳定性试验表明，机组存在较宽的水力振动区；
The stability test on real turbine showed that the generating unit has a wide hydraulic vibration area.
应用机电分析动力学的理论建立了交流电机组的机电耦联振动方程组。
Based on mechanical and electrical analytical dynamics, we established equations about vibration coupled with mechanics and electrics in AC motor set.
应用机电分析动力学的理论建立了交流电机组的机电耦联振动方程组。
Based on mechanical and electrical analytical dynamics, we established equations about vibration coupled with mechanics and electrics in AC motor set.
应用推荐