讨论大型汽轮发电机应具有的频率异常运行能力。
The abnormal frequency operation capability of large turbo-generator is reviewed.
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.
抗燃油颗粒度是表征大型汽轮发电机组调速系统洁净度的重要指标。
The granularity of fire-resistant oil is a major index of the purity of the governing system of the large capacity turboset.
由此可见,开展大型汽轮发电机组的故障诊断技术研究是非常必要的。
This shows, and carry out large turbine generator fault diagnosis technology research is very necessary.
将大型汽轮发电机定子端部绕组及支承简化为连续锥壳-板组合结构。
The stator winding end baskets of large turbo-generator is simplified into a model of continuous conical shell-plate combined with structure.
研究测轴承支承力法对大型汽轮发电机组轴承负荷在线监测的可行性。
It studies also the feasibility of this way for on-line monitoring bearing load of turbine generators.
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.
介绍了大型汽轮发电机组频率异常运行的危害和对低频保护的技术要求及准则;
The paper introduced the hazard of large turbine generator operation under abnormal frequency and technical requirements and criteria for low frequency protection.
本文对大型汽轮发电机组-基础-土壤系统采用模态综合技术进行了动力分析。
By utilizing the fixed-interface modal synthesis technique, the dynamic analysis of the large rotor-bearing-foundation-plate-soil system is presented in this paper.
我国大型汽轮发电机高起始响应无刷励磁系统装置的生产现已达到了世界先进水平。
The production of brushless excitation system devices with high initial response for large turbogenerators in China has achieved advanced level in the world.
对压板松动时大型汽轮发电机定子端部单根绕组的两自由度主共振问题进行了研究。
Two degree of freedom principal resonance of generator end winding is studied when the clamping plates are loose.
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.
应用目标全息反馈法(NCOHF)来处理大型汽轮发电机组的非线性综合控制问题。
Nonlinear control method with objective holographic feedbacks (NCOHF) is applied to the coordinated control problem of large turbogenerator set in this paper.
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.
非同期并列是大型汽轮发电机组常见的电力系统故障之一,对机组的安全运行甚为关键。
Out of Phase Shunting of large turbo generator sets is an often met with fault in power systems, which constitutes a vital factor effecting safe operation of the set.
介绍了一种确定大型汽轮发电机转子匝间短路点位置的方法,该方法简单快捷、实用可靠。
The paper a applied method, which can determine the position of rotor rum short-circuit point for large turbo generator easily and reliably.
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。
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.
本文讨论了如何利用输出反馈配置极点的方法设计大型汽轮发电机组综合控制系统的问题。
The method of -pole assignment for multivariable systems by output feedback and its application to the design of integrated controller of large turbo-generator set are discussed in this paper.
基于多导体传输线理论,建立了分析大型汽轮发电机绕组中陡前沿波过程的分布参数仿真模型。
Based on the theory of multi-conductor transmission line, a model used to predict the steep-fronted surge propagation in large turbine generator stator windings was presented.
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.
本文简要介绍了高温应变测量原理和技术在大型汽轮发电机转子护环热套应力测试中的成功应用。
The technique and its principle of high temperature strain measurement are introduced to determine heat sleeve stress about rotor retaining ring of large turbogenerator.
本文对大型汽轮发电机两种主要类型的油、水系统可靠性进行了分析,并提出了提高可靠性的措施。
The large turbogenerators have two kinds of oil and water systems. This paper analyzes its reliability and proposes the methods for improvement of reliability.
本文介绍了用于大型汽轮发电机定子绕组端部振动测量的光纤传感技术的目的、方法、原理和结果。
In this paper are presented purpose, method, principle and results of the optical fiber sensing technology used in measuring the vibration of stator end winding for large turbogenerator.
论述我国大型汽轮发电机近年来发生的性质严重、影响较大且在一定程度上带有普遍性的运行故障和事故。
This paper discusses some sever, influential and to a certain extents universality operational failures and faults on large turbo-generators.
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.
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.
采用正交各向异性叠层复合材料加筋圆锥壳模型,对大型汽轮发电机定子端部绕组整体结构的固有振动问题进行了研究。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
该文为配合某大型汽轮发电机转子裂纹原因分析,对其额定运行工况时电磁力在转子铁心表面的分布状况进行了全面研究。
The electromagnetic force distribution on the rotor core surface of a turbo-generator under rated operating condition is studied in this paper, in order to find the cause of cracks on the rotor body.
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。
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.
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