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- The monitoring and diagnosing of hydrogenerator unit have become the subject that have been interested in. 水轮发电机组的监测与诊断已成为当今世界普遍关注和感兴趣的研究课题。
- Vibration is the main accident that affects the normal function of hydrogenerator unit and endangers the life span of hydrogenerator unit. 振动是影响水轮发电机组正常运行和危害机组寿命的主要故障。
- This paper is directed against the reality problem that it is very difficult to measure the critical speed of the shaft system in a large scale hydrogenerator unit in operating. 针对大型水轮发电机组轴系临界转速难以实际测定的现实问题，从理论分析的角度出发，抓住水力机组轴系结构的基本特点，提出采用较为简单的模拟结构，试验研究水力机组轴系固有频率及其振型特征。
- After the theories of hydrogenerator unit vibration lucubrated, the characters of hydrogenerator unit vibration are summarized, and an identifying method is presented. 在深入研究水电机组振动理论的基础上，总结出水电机组振动故障的特征，并给出了水电机组振动故障的识别方法。
- The horizontal double hydrogenerator unit has been used for the first time in China. It introduces the operating characteristic and supplies the similar engineering to reference and amelioration. 摘要卧式“双挑”水轮发电机组在我国首次使用，详细介绍了其运行特点，供同类工程参考改进。
- Based on the stability test against six units of ErTan hydropower station, this paper analyzes the operational stability of ErTan hydrogenerator unit. 以二滩水电站6台机组的稳定性试验数据为例，分析了二滩水电机组的运行稳定性。
- The effects of a hydrodynamic thrust bearing on lateral vibration of a rotor-bearing system and the dynamic characteristics of a large hydrogenerator unit shaft are investigated in this thesis. 本文研究了流体动压润滑推力轴承对转子-轴承系统横向振动的影响及大型水轮发电机组轴系的动力特性。
- This paper analyses the main reasons of the hydrogenerator unit vibration, discusses the causes resulting in the vibration of the unit, revealed by some characteristics of the unit vibration. 分析水轮发电机组振动的主要原因，并介绍如何依据诱发机组振动的某些特征，捕捉其振动原因。
- Hong Ye,Li Guohong,Cai Weiyou,et al.Fault diagnosis of hydrogenerator unit vibration based on wavelet packet analysis[J].Engineering Journal ofWuhan University,2002,35(1):65-68(in Chinese). [2]洪冶;李国宏;蔡维由;等.;基于小波包分析的水轮发电机组振动的故障诊断[J]
- Choice of flywheel moment GD2 of hydrogenerator units is an important index in respect of reliability of power plant and stability of power system during operation. 水轮发电机组飞轮力矩GD2的选取是关系到电站安全性和运行时电力系统稳定性的重要指标。
- Operating of Hydrogenerator Unit with all Elastic Metal Plastic Pad 水轮发电机组全弹性金属塑料轴瓦的运行
- Cause and allocation weight of dynamic non-equilibrium for hydrogenerator unit 水轮发电机组转子动不平衡的原理分析及配重
- The luminous intensity on unit area. 单位面积上的发光强度。
- The family is the smallest social unit. 家庭是社会最小的单位。
- Self-tuning Control Method Based on Wavelet Neural Networks and Its Application in Hydrogenerator Unit 基于小波神经网络的自校正控制在水轮发电机组上的应用
- Pressure is force per unit area. 压力就是电单位面积上的力。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- The family is the basic unit of society. 家庭是社会的基本单位。
- Zhelin Power Station installed two Francis hydrogenerating units with unit capac ity 120MW, the total capacity is 240MW. 柘林水电站装有2台单机容量为120MW水轮发电机组,电站总装机容量为240MW。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
