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Aiming at the mathematic model of shafting crankle coupling vibration based on the subsection continuous mass model,the multidimensional frequeney analysis method is put forward and developed.Combining frequency change with shafting configuration parameter,it's more favorable to have direct analysis.The method...

针对基于分段连续质量模型的轴系弯扭耦合振动数学模型,进一步简化并提出多维频率分析方法,将频率变化与轴系的结构参数联系起来,有利于直观分析,同时给出分析振型、共振频率及共振模态等的方法

ABSTRACT With the increase of the power of a large turbine generator set, more and more attention to its stability is paid.

大型汽轮发电机组的功率越来越大,机组轴系的稳定性越来越被人们所重视,研究大型机组轴系的稳定性必然会涉及到很多与其相关的问题,因此,孤立地。。。

It is of theoretical and practical values to improve the running reliability of shafting and optimize the operation performance of shafting.

本课题的研究对于提高轴系的运行可靠性、优化轴系运转性能具有理论及实际价值。

Marine shafting is one of the main parts of ship power installation and alignment calculation is necessary for the safety and reliability of ship.

船舶推进轴系是船舶动力装置的重要组成部分,校中计算是保证船舶推进轴系的安全、可靠工作不可缺少的环节。

Shafting intensity account is essential for the design of naval vessels' shafting.

轴系强度计算是舰艇轴系设计中的重要部分。

This paper remarks the vibrational models of shafting existed today firstly so as to research the coupled vibration of shafting effectively.

为了有效地研究轴系的耦合振动,本文首先对现有的轴系振动模型进行了评述。

With the development of the electric power industry, the capacitance of a turbo-generator has increasingly become larger, which risk the torsional oscillation in the flexible shaft system of large turbine-generators. The problem of shaft torsional oscillation has become the key technology need to be solved urgently in the development of large power system and unit.

随着电力工业的发展,汽轮发电机组的单机容量正日益大型化,导致机组轴系扭转振动的危害性日益突出,轴系扭振问题已成为发展大电网和大机组所急需解决的关键技术问题。

Based on the shaft partial energy function of the turbine\|generator shaft torsional oscillation.

利用表征重合闸操作影响发电机轴系扭振幅度的等值能量函数,导出了瞬时性故障与永久性故障下重合闸操作对轴系冲击最小的理想重合时刻。

Then we use IEEE First Benchmark system model and the 500kV system which contain 500MW and 600MW turbo-machines, as typical examples, the shaft systems without exciter in these examples are also analyzed on its impact on torsional oscillation.

首先对采用静止励磁方式的汽轮发电机轴系建模进行了说明;然后以IEEE次同步谐振标准模型和东北电网中伊敏电厂计划安装的500MW和600MW汽轮发电机组为典型算例,研究了改用静止励磁方式对轴系扭振的影响。

A large amounts of imformation about the systerm's vibration characteristic are presented. Some dynamic behaviors caused by gyroscopic moment, oil while in bearing and unaligned shaft line are studied.

就动力学特征的某些异常表现,探寻了系统存在的某些不稳定因素,分别讨论了机组运行中轴系陀螺力矩效应、轴承油膜动力涡动、轴系不对中等的动力学行为。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。