The simulation results show that the new control method can efficiently overcome the fuel disturbance and the load disturbance and maintain the stability of main steam pressure.
仿真试验表明,该控制方案可以有效克服燃料量内扰和负荷外扰对主汽压力的影响,维持主汽压力的稳定。
Boiler is one of the main steam power plants.
锅炉是火力发电的三大主要设备之一。
Elbow is one of parts in the system of main steam pipe which is easy to damage.
弯管是火力发电厂主蒸汽管道系统中较易损坏的部件之一。
Increasing the main steam outlet temperature will increases the available enthalpy drop in the turbine.
提高主蒸汽出口的温度会增加蒸汽在汽轮机中的可用焓降。
In this paper, the fracture process in creep of main steam pipeline is studied by metallographical and fracture mechanics.
本文以金相分析与断裂力学方法研究了主蒸汽管道蠕变破裂过程。
Through analyzing three targets of multifuel fired boiler burning system, we emphatically analyzed the control of main steam pressure.
通过分析混燃锅炉燃烧系统的三大目标,重点分析了其中的主蒸汽压力控制。
As to piping-main scheme unit, boiler piping-main steam pressure is the important parameter of signifying the running state of the boiler.
对于母管制运行的机组,母管蒸汽压力是表征锅炉运行状态的重要参数。
Based on the methods of adaptive inverse control, double loops of disturbance canceling system are designed for the main steam temperature system.
基于自适应逆控制方法设计了主汽温系统的双回路扰动消除系统。
Based on on-line data and the modeling theory of neural network, the dynamic models of drum steam pressure and main steam pressure are established.
基于现场数据与神经网络的建模理论,建立了火电机组汽包压力与主汽压力的动态模型,并对所建立的汽压增量模型进行了仿真研究。
Finally, scheduling and precautions for verification tests of the calibration pressure of main steam safety valve under 83 % FP power level are given.
最后,给出在83 %FP以下的功率运行下进行主蒸汽安全阀定值校验试验的窗口安排与注意事项。
Steel P91 has been used instead of P22 as the material for main steam and high temperature reheat steam pipelines in new built subcritical pressure units.
目前新建的亚临界机组中,主蒸汽管道及再热蒸汽管道热段的材料已用P 91钢代替P 2 2钢。
With the development of VLSI and imbedded technologies, embedded video communication terminals are becoming the main steam of video communication products.
随着超大规模集成电路和嵌入式软硬件技术的迅猛发展,嵌入式网络视频通信终端成为新一代通信终端产品的主流。
The results show that the graphitization of the bent, HAZ and tee of the main steam pipeline stand is severe, and the relevant components should be replaced.
结果表明,该主蒸汽管道的弯头、焊缝热影响区和三通等部位石墨化严重,部分部件需要更换。
Ensuring the quality of the main steam temperature control system is an essential part for the unit plant's safe and economical operation in the power plant.
在电厂锅炉运行中,保证主汽温控制系统的控制品质是机组经济安全运行不可缺少的环节。
The main steam pressure control system, bed temperature measure system, bed temperature adjust system and action condition of main fuel trip (MFT) are analyzed.
对主蒸汽压力控制系统、床温测量系统、床温校正系统和主燃料跳闸的动作条件进行了详细的分析。
Based on degraded and approximate model of main steam pressure and linear quadratic optimal control theory, the LQ sub-optimal regulation strategy is presented.
基于主蒸汽压力降阶近似模型和二次型最优控制原理,给出了主蒸汽压力的LQ次优调节策略。
The P92 steel is a steel sort being used for main steam pipelines of ultra-supercritical units at present, its creep rupture life has widely drawn close attention.
P 92钢是目前超超临界机组主蒸汽管道的应用钢种,其蠕变断裂寿命被广泛关注。
According to the welding properties of P91 and C12A steels, the paper presents a welding solution to assemble C12A water pressure valve to P91 main steam pipe in field.
根据P 91和C12A钢的焊接性能,提出了现场中在P 91主汽管道上加装c 12 A水压闸阀的焊接工艺措施。
The simulations on the main steam-temperature control system of the electric plant boiler show that the controller and its training algorithms are possible and effective.
对电厂锅炉主蒸汽温度控制的仿真结果表明了此控制器及其学习算法的可行性和有效性。
The method of through monitoring 16N activities in the main steam pipe to get the leak rate of steam generator, now is the main way of steam generator leak rate monitoring.
基于主蒸汽管道中16N核素监测的蒸汽发生器泄漏率监测方法,目前已成为蒸汽发生器泄漏监测的主导方法。
Causes of deviation of the main steam flow value indicated in DAS system for Beilun power plant unit 2 are analysed. The problems are found in the original calculation model.
对北仑电厂2号机组DAS系统主蒸汽流量指示值出现偏差的原因进行分析,找出原计算模块中存在的问题。
The temperature of the main steam system is a tipical control of long time-delay, long inertia time and parameter-varying, so it is difficult to achieve a high-quality effect.
火电厂主蒸汽温度具有大迟延、大惯性的特点,且对象特性随负荷变化较大等因素,很难实现稳定和高性能的控制。
In this paper, high temperature and high-pressure components fitting for life assessment such as main steam pipeline and boiler tube were selected for life management studying.
本课题选取适合寿命评估的高温高压部件,如主蒸汽管道及过热器管进行寿命管理研究。
How to keep the main steam pressure having better dynamic characteristic and keep the fuel entered the boiler burning thoroughly is most important to combustion process control.
如何使主蒸汽压力既具有良好的动态特性,又能使入炉燃料得以充分燃烧,是燃烧过程控制的关键。
How to keep the main steam pressure with better dynamic characteristic and keep the fuel entered the boiler burning thoroughly is the most important to combustion system control.
如何使蒸汽压力保持良好的动态特性,使入炉燃料得以充分燃烧,是锅炉燃烧系统控制的关键。
It is proved that the virtual DCS technology based on LN2000 provide a good software tool for training, application, development according to the example of main steam control system.
主汽温控制系统的实例表明了基于LN2000的虚拟dcs技术为DCS的培训、应用和开发提供了良好的软件平台。
Project and system situation in Zouxian Power Plant were introduced, and the piping design parameters and the piping material of main steam system and main feed water system were determined.
对邹县发电厂四期工程和系统状况进行了介绍,确定了主蒸汽系统和主给水系统管道的设计参数,选择了管道材料。
The simulation result shows that this method can solve the disturbance problems and has strong robustness and self-adaptability for disturbance canceling of the main steam temperature system.
仿真结果表明,该方案可较好地解决主汽温系统存在的内、外扰动问题,对主汽温系统的扰动消除具有较强的鲁棒性和自适应能力。
The simulation result shows that this method can solve the disturbance problems and has strong robustness and self-adaptability for disturbance canceling of the main steam temperature system.
仿真结果表明,该方案可较好地解决主汽温系统存在的内、外扰动问题,对主汽温系统的扰动消除具有较强的鲁棒性和自适应能力。
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