This paper presents a method for calculating the modal logarithmic decay ratio of the shaft set torsional vibration in a 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。
After a study of the fuzzy model creation method the authors constructed a fuzzy model for a turbogenerator seal oil cooling system with satisfactory results being attained.
文中对模糊建模方法进行了研究,并对汽轮发电机密封油冷却系统进行了模糊建模,取得了满意的结果。
Gas turbogenerator fault diagnosis can be treated as a pattern classification task.
燃气轮发电机组的故障诊断,实质上是一个模式分类问题。
This paper presents a new transposed connecting method for the diamond airgap armature winding of the superconducting turbogenerator.
本文对超导汽轮发电机篮式气隙电枢绕组提出了一种新的换位联接方法。
In a small thermo-power plant, an segregation accident occurred in the process of concreting a C15 turbogenerator foundation.
某小型热电厂一台C15汽轮发电机在汽机基座浇筑过程中出现混凝土离析事故。
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.
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。
An optimum adjustment is investigated of the shafting dynamic location of a large-sized turbogenerator unit.
本文研究了大型汽轮发电机组轴系动态位置的最优调整。
The torsional stiffness of a large turbogenerator rotor body and the factors influencing the stiffness are studied systematically in by using the finite element method.
本文利用有限元数值计算方法,系统研究了发电机转子本体部分的扭转刚度及其主要的影响因素。
The example of calculating the excitation field at no-load for a large turbogenerator shows that the advantages of arc elements are highly accurate and easy to use.
对大型汽轮发电机空载磁场的实例计算表明,圆弧边界单元具有剖分简单、精度高等优点。
In this paper a macro-cracking in the medium casing which is a heavy section casting of 261 turbogenerator was investigated by SEM, EDAX and others.
采用扫描电镜断口分析、微区能谱分析等方法研究了261汽轮机中汽缸大型铸件开裂问题。
A finite element method is presented for the calculating natural frequency of turbogenerator stator end windings.
本文提出一种计算汽轮发电机定子绕组端部振动固有频率的有限元方法。
This paper introduces a new manufacturing technology for the turbogenerator frame to raise the output rate.
文中介绍了一种新的汽轮发电机机座制造工艺,提高了生产率。
The causes and essence of the torsional oscillation of large turbogenerator which consider as a kind of complex open system was investigated by using nonlinear science theory.
将大型汽轮发电机系统作为一类复杂开放系统,基于非线性科学分析了该系统的动力学特性,论述了该系统轴系扭振的原因及其本质。
In this paper the structure and operation of a static excitation system which was imported form Italy for320MW turbogenerator set are presented.
本文介绍了从意大利引进的320 MW燃煤机组静态励磁系统的结构特点和运行情况。
According to vibration characteristic spectrum, a gas turbogenerator fault diagnosis approach based on rough set theory is proposed.
本文以振动特征频谱为依据,提出了一种基于粗糙集理论的燃气轮发电机组故障诊断新方法。
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.
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。
The paper calculates the stator 3D temperature field of a QFSN-220-2 turbogenerator when it operates on different loads, the results show the model and calculation method are correct.
计算了一台QFSN-220-2型汽轮发电机在不同运行工况下定子的三维温度场,与实测值比较,结果表明该模型以及计算方法是正确的。
The work includes the computation on 2d electromagnetic field of a 650mw turbogenerator and its steady and transient parameters.
课题工作以一台650MW汽轮发电机为例,计算了电机二维电磁场并求得了电机的稳、瞬态参数。
In the paper the eddy current magnetic field in the end region of a 300mw turbogenerator is calculated as well.
并利用所得结果,计算了一台三十万千瓦汽轮发电机端部磁场。
The paper gives a particular analysis on a 300MW turbogenerator that the abatement process of the abnormal vibration on the turbine during the first start-up and running with load.
本文详细介绍了某300MW机组在起动及带负荷运行过程中产生振动异常的处理情况。
The manufacturing technique of rotor coils of 100mw air-cooled turbogenerator is mainly discussed in this paper. And the success of it builds a great foundation for HEC to develop large-scale units.
本文重点介绍了空冷100MW汽轮发电机转子线圈的制造工艺和相关的工艺装备,该转子线圈的研制成功,为哈电公司今后生产更大容量的空冷机组奠定了坚实的基础。
The manufacturing technique of rotor coils of 100mw air-cooled turbogenerator is mainly discussed in this paper. And the success of it builds a great foundation for HEC to develop large-scale units.
本文重点介绍了空冷100MW汽轮发电机转子线圈的制造工艺和相关的工艺装备,该转子线圈的研制成功,为哈电公司今后生产更大容量的空冷机组奠定了坚实的基础。
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