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turbogenerator units
相关语句
  汽轮发电机组
     Simulation System Software for Thermal Stress and Fatigue Life Expenditure of 300 MW Turbogenerator Units
     300 MW汽轮发电机组热应力及疲劳寿命损耗仿真系统软件的研究
短句来源
     Fault Diagnosis of Turbogenerator Units Vibration Based on Discrete BAM Neural Network
     基于离散BAM网络的汽轮发电机组振动故障诊断的应用研究
短句来源
     De-noising and feature extraction of vibration signals for turbogenerator units by using wavelet analysis
     基于小波分析的汽轮发电机组振动信号消噪和特征提取
短句来源
     Application of Fuzzy Clustering Analysis for the Diagnosis of Vibration Faults of Turbogenerator Units
     模糊聚类分析在汽轮发电机组振动故障诊断中的应用
短句来源
     Analysis and fault diagnosis for abrupt vibration of large scale turbo generator units
     汽轮发电机组突发性振动分析与故障诊断
短句来源
更多       
  汽轮发电机组
     Simulation System Software for Thermal Stress and Fatigue Life Expenditure of 300 MW Turbogenerator Units
     300 MW汽轮发电机组热应力及疲劳寿命损耗仿真系统软件的研究
短句来源
     Fault Diagnosis of Turbogenerator Units Vibration Based on Discrete BAM Neural Network
     基于离散BAM网络的汽轮发电机组振动故障诊断的应用研究
短句来源
     De-noising and feature extraction of vibration signals for turbogenerator units by using wavelet analysis
     基于小波分析的汽轮发电机组振动信号消噪和特征提取
短句来源
     Application of Fuzzy Clustering Analysis for the Diagnosis of Vibration Faults of Turbogenerator Units
     模糊聚类分析在汽轮发电机组振动故障诊断中的应用
短句来源
     Analysis and fault diagnosis for abrupt vibration of large scale turbo generator units
     汽轮发电机组突发性振动分析与故障诊断
短句来源
更多       
  水力发电机组
     In order to improve dynamic regulating quality of turbogenerator units,a fuzzy controller is designed for turbogenerator units using the fuzzy criteria,and a method was developed on the basis of Siemens PLC fuzzy controller. The emulation and actual test results show that the fuzzy controller has an outstanding advantage in improving dynamic behavior of turbogenerator units.
     为了改善水力发电机组的动态调节品质,运用模糊规则设计了一种水力发电机组的模糊控制器,并给出了基于西门子PLC的模糊控制器的实现方法,仿真和实际实验结果表明,控制器在改善水力发电机组动态行为上具有突出的优势。
短句来源
  “turbogenerator units”译为未确定词的双语例句
     Intelligent Control of Turbogenerator Units
     汽轮发电机综合智能控制
短句来源
     Fault diagnosis of the vibration of turbogenerator units based on GA neural network and evidence theory fusion
     基于遗传神经网络和证据理论融合的水电机组振动故障诊断研究
短句来源
     Application of fuzzy fault diagnosis for turbogenerator units
     模糊诊断法在水电机组振动中的应用
短句来源
     9 & 10 bearings of No. 1 & No. 2 turbo generator units in Shajiao C Power Plant were large and with periodical fluctuation during debugging period.
     沙角C厂1、2号机组在调试阶段发现9、10号轴承振动大,且呈周期性波动。
短句来源
     According site-tested data,the causes of 3 # turbine draft tube of Fengman Hydroelectric Power Station destroying because of cavitation and vibration are analysed,and the engineering measures of improving the operation of turbogenerator units are presented.
     根据现场测试资料,分析了造成丰满3#水轮机尾水管气蚀、振动破坏的原因,提出了改善机组运行的工程措施。
短句来源
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  turbogenerator units
Operation of turbogenerator units in a synchronous condenser regime
      
School of advanced experience "Advanced methods of operating thrust and guide bearings of hydraulic turbogenerator units"
      
The builders of the Nurek hydroelectric station strive to start up the first turbogenerator units
      


A composite electrical model is established for turbogenerator units operating in parallel and carrying resistive and motor loads, It is used to derive the transfer function of the controlled plant of the speed-power regulating system, and to clarify the problem of power-angle and speed oscillations under various conditions of generator operation, by analogy to parallel resonance in passive networks.

建立汽轮机—发电机—电网—负载联合调节对象的电模型,用来说明在各种不同运行方式下的功角摆动和转速波动现象的特点;并提出各项特征参数的计算公式。

The problem of tuning of the load feedback control system of boil-turbogenerator unit, as the turbine is equipped with power-frequency control system,is discussed in this paper. This control system is a 2× 2 multivariable system. In order to ensure sufficient stablity of the whole control system, the tuning values of the turbine controller and the boiler controller must be matched each other but these values may be varied in a wide range. Feedforword and nonlinear limitting pressure element are always...

The problem of tuning of the load feedback control system of boil-turbogenerator unit, as the turbine is equipped with power-frequency control system,is discussed in this paper. This control system is a 2× 2 multivariable system. In order to ensure sufficient stablity of the whole control system, the tuning values of the turbine controller and the boiler controller must be matched each other but these values may be varied in a wide range. Feedforword and nonlinear limitting pressure element are always introduced in practical control system. In that case, if only the tuning values of two controllers are matched properly, the generating unit load control system would have nearly same dynamic performance, even though the tuning values of the controllers are very different.

本文讨论汽轮机采用功频调节系统时,锅炉-汽轮发电机单元机组负荷反馈控制系统的整定问题。该控制系统是一个2×2多变量系统。汽轮机功率控制器和汽压控制器的参数必须正确配合以保证单元机组负荷控制系统的稳定性,但是两个控制器的参数可以在很大范围内改变。实际应用的单元机组负荷控制系统中都引入前馈和非线性限压元件,在这种情况下,只要两个控制器的整定参数配合适当,那么,即使控制器的参数值差别很大,而负荷控制系统的动态品质却是很接近的。

In this paper, the transfer matrix method is used to calculate the dynamic stress and supporting reaction of a 200MW turbogenerator unit, which was in the earlier stage of a large accident. The calculating results show: in this stage, either oil whip or unbalance vibration was not enough directly to cause plastic deformation, of generator rotor, but whip may lead to separation of some spinning components from rotor, then cause the deterioration of balance condition of rotor and take the upper half of bearing...

In this paper, the transfer matrix method is used to calculate the dynamic stress and supporting reaction of a 200MW turbogenerator unit, which was in the earlier stage of a large accident. The calculating results show: in this stage, either oil whip or unbalance vibration was not enough directly to cause plastic deformation, of generator rotor, but whip may lead to separation of some spinning components from rotor, then cause the deterioration of balance condition of rotor and take the upper half of bearing off, finally, the whole rotor can be severely damaged , quickly after plastic deformation was taken place.

本文采用传递矩阵法,对处于事故前期的某台国产200MW机组转子的动应力及支承动反力进行了数值计算。计算结果表明:事故初期的油膜振荡和不平衡振动不足以直接造成发电机转子的塑性变形损坏,只有在油膜振荡造成转动部件飞脱,引起转子原始平衡状态恶化,进而使轴承上瓦掀开,才有可能使转子发生塑性变形直至毁坏。

 
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