在此基础上,介绍了汽轮机特性在线辨识的步骤,并总结了各种实用的在线辨识方法。
And then, the steps of identifying a steam turbine's performance on line are introduced and various on-line identification methods are summarized.
介绍用蒙特卡洛法对汽轮机调节系统的静特性进行计算和分析。
Calculating the static characteristic of turbine governing system with the Monte Carlo method is introducing.
对在静止状态下检测汽轮机调节系统动态飞升特性,保障机组安全运行,具有实用意义。
It is of practical significance to measure turbine control system dynamic speed-rising characteristic under stationary state and ensure turbine unit safety operation.
研究了工业汽轮机数字电液调节系统的动态特性。
The paper studies dynamic characteristic for industrial steam turbine digital electro hydraulic governing system.
利用该仿真模型对快速变负荷工况下船用核汽轮机装置的动态特性进行了计算分析。
By means of the model, the dynamic characteristics of Marine nuclear steam turbine plant under the rapidly varying duty working conditions is calculated and analyzed.
介绍汽轮机高中压转子金属材料的脆性转变特性。
The paper Introduces fracture appearance transition character of turbine high and middle pressure rotor made metal material.
本文计算并分析了湿蒸汽汽轮机级隔板中大分散度水份的尺寸分布、运动特性及沉积位置。
The size distribution, motion behaviours and deposition positions of the coarse water droplets in the diaphragm of wet steam turbines were calculated and analysed.
汽轮机和锅炉响应外界负荷变化的动态特性不同,要求控制系统必须很好地协调机炉两侧的动作。
Due to the different dynamic characteristics of turbine and boiler responding to load variation, their coordination through the control system is essential.
以供热机组热力试验数据及修正曲线为依据,较准确地建立了表达供热式汽轮机机组热力特性的数学解析式。
According to the thermal experiment data and correction curve of heat supply units, the mathematical analysis formula of thermodynamic characteristic has been given accurately in this paper.
讨论了变工况下凝汽式汽轮机末级的变工况特点,如反动度的变化规律,余速损失,级前压力的变化特性。
For example, the regular change of reaction degree, the loss of exhausted velocity , the change characteristics of the pressure exerted on the last stage .
汽轮机调速系统对电力系统阻尼特性的影响可以通过其提供的附加阻尼系数的符号和大小来确定。
The impact of turbine governor on the damping characteristic of power system can be determined by the sign and magnitude of the added damping coefficient.
试验结果表明汽轮机调节系统动态特性满足运行要求,以及实现汽轮机小岛运行对大型机组运行的重要性。
It is on trial to express that turbine group for regulation system dynamic characteristic satisfy operation request, and it is important to great turbine unit.
部分负荷工况汽轮机的调节配汽特性不仅影响机组运行的经济性,而且直接影响机组轴系的稳定性。
The characteristics of steam distribution system of a steam turbine under part-load conditions will affect not only the economy but also the rotor system stability of the unit.
本文提出了一套完整的基于NRF9E5数据采集模块的汽轮机热力特性测试试验的无线数据采集系统。
A set of complete wireless data collecting system based on NRF9E5 data-collecting modules for measurements of thermodynamic properties of a steam turbine is put forward in this paper.
实践证明利用本文思想编制的汽轮机仿真模型能够正确反映仿真对象的全物理过程,具有良好的静态精度和动态响应特性。
The fact is proved that the steam turbine model is able to exactly simulate the working process and the dynamic characteristic of the simulated object, the static characteristic is very precise.
再热式汽轮机已同锅炉组成单元机组运行,因此必须根据单元机组整体的动态特性来整定汽轮机的功频调节系统。
The reheating turbine and boiler are operated as single unit, so the turbine speed-power control system must be adjusted in accordance with the dynamic characteristic of the whole unit.
对东方汽轮机厂生产的D29型机组低压转子的振动特性进行了分析,指出低压缸缸体在工作转速附近存在结构共振,并针对这个问题提出了现场的处理措施。
The LP rotor vibration of the D29 turbine unit was analyzed in this article, and point out LP cylinder was in structure resonance region around working speed, for this fault the measure was given.
数值计算表明,在大功率汽轮机末级叶片中采用弯扭叶片后对脱流特性有较大影响,相对脱流高度减少。
The value calculation shows that bending blade may make considerable influence of flow separation in last stage of large steam turbine, in that the relative height of flow separation is reduced.
计算结果可用于汽轮机动态特性研究、启动程序设计。
The calculation results may be used for the research of steam turbine dynamic cha…
介绍了研究凝汽式汽轮机调节系统、中间再热式汽轮机调节系统、调整抽汽式汽轮机调节系统及功频电液调节系统的动态特性的数学模型。
Mathematical Model of governing system's dynamic characteristic for condensing turbine, reheat turbine, extraction turbine and power frequency turbine are introduced in this paper.
汽轮机发电机组基础采用弹簧隔振技术以后,结构的动力特性发生变化,因此有必要对弹簧隔振基础的整体抗震性能进行评价。
When used spring vibration, the dynamics property is changed. It is necessary to evaluate the whole earthquake resistance of spring vibration isolated turbine-generator foundation.
文中对汽轮机叶片—叶轮系统(轮系)耦合振动特性进行了理论和实验研究。首先介绍了一种简便实用的计算轮系振动特性的数值积分方法。
This paper proceeds the theoretical and experimental researches on the coupled vibration features of blade-blade wheel system (wheel system) for steam turbines.
在汽轮机带负荷运行中,回热器如同再热器一样对汽轮机的负荷响应特性有延滞效应,但传统的汽轮机模型对此未加考虑;
Regenerators will delay the load respond speed of turbine as reheaters when turbines run with load. But all of the turbine models do not take into account of the effect of regenerators.
通过比较分析几种汽轮机调节系统的一次调频动态特性,证明采用一次调频动态特性概念可以本质、全面地反映汽轮机调节系统的一次调频特性。
Through the analysis of several kind of turbo-generator control system, the new concept is proved to be an overall description of primary frequency regulation.
针对汽轮机低压缸末端,本文基于汽轮机的功率背压特性建立了循环水变速调节系统的多目标节能优化体系结构。
To the end of lower pressure cylinder, the thesis set up architecture of multi-objective energy saving for thermal power units on the basis of power characteristic to back pressure of steam turbine.
针对汽轮机低压缸末端,本文基于汽轮机的功率背压特性建立了循环水变速调节系统的多目标节能优化体系结构。
To the end of lower pressure cylinder, the thesis set up architecture of multi-objective energy saving for thermal power units on the basis of power characteristic to back pressure of steam turbine.
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