本文简要介绍了汽轮发电机组振动故障诊断专家系统外壳ESVD的研制过程及其特点。
This paper introduces developing processes and characteristics of the expert system of vibration fault diagnosis(ESVD)for turbine generators.
介绍了汽轮发电机组振动在线状态监测系统数据采集器的硬件构成、工作原理和主要功能。
A data sampling system used for on-line monitoring the condition of turbo-generator unit is introduced. The hardware structure, work principle and main function of the system is analyzed.
实际应用表明该方法可以有效诊断汽轮发电机组振动类多重并发故障，诊断结果全面、准确。
Actual applications show that the proposed method can effectively diagnose the multi-concurrent vibrant faults of turbogenerator sets and the diagnosis result is correct.
使用自适应谐振理论（ART）和误差反向传播（B）两种神经网络，开发了汽轮发电机组振动故障诊断模型。
The vibrating fault diagnosis system for turbo-generator unit based on ART and BP network is developed in this work.
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.
提出了自适应学习率及动量因子的BP神经网络算法和误差逼近度渐近收缩学习的BP神经网络算法，并将其应用于汽轮发电机组振动故障诊断与识别。
The improved BP algorithms based on adaptive parameters adjustment and error contracting gradually are presented, which are applied successfully to fault diagnosis of steam- turbine generator unit.
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.
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.
励磁机振动是汽轮发电机组运行中较为普遍的一个问题。
The exciter vibration is a more general problem in existing operational steam turbine generator unit.
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.
汽轮发电机组轴承座动力特性对转子-轴承系统振动有比较大的影响。
The dynamic properties of bearing support system has large influence on the vibration of large turbo generator unit.
本文给出了一种汽轮发电机组轴系扭转振动模态对数衰减率的计算方法。
This paper presents a method for calculating the modal logarithmic decay ratio of the shaft set torsional vibration in a turbogenerator unit.
为分析处理汽轮发电机组运行中因叶片振动引起的故障，需调整叶片的固有频率和振型。
The modification for the natural frequency and the mode of vibration of blade are needed to treat the fault of steam turbogenerator caused by it's blades.
本文就如何把模态综合技术应用于大型汽轮发电机组转子-轴承-基座系统的联合振动分析作了一般性探讨。
In this paper a general study has been made for application of the modal synthesis technique to combined vibration analysis for the rotor-bearing-foundation system of a large turbo-generator set.
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。
Along with the increase in the capacity of steam turbine-generator unit, the amplitude of random vibration of the unit will increase remarkably.
总结了近年来国内外对汽轮发电机组转子及轴系弯扭耦合振动问题的研究进展和成果，并对其进一步研究进行了展望。
The previous study for coupled lateral and torsional vibration of turbogenerator rotor and shaft system is reviewed and purpose for further study is provided.
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.
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.
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。
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。
This paper presents the whole process of vibration analysis and troubleshooting of a steam turbine generator, which exhibited oil-excited instability during load up.
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