本文研究了大型汽轮发电机组轴系动态位置的最优调整。
An optimum adjustment is investigated of the shafting dynamic location of a large-sized turbogenerator 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.
在进行汽轮发电机组轴系扭振分析时，通常假设轴系材料特性参数为常数。
In the process of torsional vibration analysis for turbogenerator rotors, the material characteristics parameters of shafts are often considered to be constant.
大型汽轮发电机组轴系扭振是发电机机械系统与电网系统相互耦合作用的结果。
The torsional vibration of the large scale turbo -generator shaft system is the responsive result of the mechanical-electrical coupling.
本文将优化理论应用于大型汽轮发电机组轴系扭振的研究，提出了一种优化建模方法。
This paper presents a kind of optimum modeling method to apply the optimum theory to the research on torsional vibration of a large turbine-generator shafts system.
对该问题的研究解释了由高压直流输电系统控制器诱发汽轮发电机组轴系扭振的机理。
Through studying, the mechanism of the subsynchronous torsion oscillation caused by the controller of HVDC system has been understood.
用有限元法及考虑各轴承油膜力非线性，建立了大型汽轮发电机组轴系非线性方程组。
By the use of a finite element method and by taking account of the non-linearity of bearing oil film force established are the shafting nonlinear equation group of the said turbogenerator.
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。
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.
对互补群群际能量壁垒准则在汽轮发电机组轴系扭振稳定性研究中的适用性进行了探讨。
The applicability of complementary -cluster energy-barrier criterion on researching stability of shaft system torsional vibration is discussed.
就大型汽轮发电机模型中饱和参数对汽轮发电机组轴系扭振响应计算的影响进行了详细的研究。
This paper discusses the effect of saturated parameters appearing in the mathematical model of a large turbogenerator on the response calculation of shaft torsional vibration.
介绍了汽轮发电机组轴系扭振模拟系统的设计原则，利用雷卡迪传递矩阵分析计算了汽轮发电机组轴系扭振的固有特性。
The paper introduces the principle of torsion vibration simulator on turbo-generator rotor system, and computes natural characteristics using Riccati matrix.
汽轮发电机组轴系模型和机网接口问题比较突出，对此进行了详细介绍，并指出了扭振模型和算法存在的问题及发展趋势。
The problems of torsional vibration model and the interface between generator and electric power network are described. The unsolved problems in the model and its developing trends are discussed.
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.
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.
基于CCD摄像技术的汽轮发电机组扭振测量方法，本发明涉及一种汽轮发电 机组轴系扭振的测量方法。
The present invention relates to a turbine generator unit torsion vibration measuring method based on CCD image pick-up technique.
基于CCD摄像技术的汽轮发电机组扭振测量方法，本发明涉及一种汽轮发电 机组轴系扭振的测量方法。
The present invention relates to a turbine generator unit torsion vibration measuring method based on CCD image pick-up technique.
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