本文分析了引起汽轮发电机定子绕组端部振动的原因,以及固有频率试验和振动测量的意义。
The cause of vibration on the turbogenerator stator end winding is analyzed, and the meaning of natural frequency test and vibration measurement is discussed.
本文主要记述了某直升机机载雷达整机振动试验夹具的设计,以及对夹具固有频率的计算和试验验证等。
This paper presents the design of fixture used on helicopter radar's vibration test. How to compute Natrual Frequency of fixture and verify by test is discussed.
的固有频率,阻尼比,模态振型,最大位移和破坏财产的系统进行了计算和分析的基础上的振动台试验。
The natural frequency, damping ratio, mode shapes, maximum displacement and failure property of the system were calculated and analyzed based on shaking table test.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍,对端部绕组振动的在线监测作了简要分析,同时提出了一些个人看法。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
可以通过一阶固有频率下正弦振动试验试件寿命得到随机振动下试件的寿命。
Fatigue life of random vibration can be calculated by the fatigue life of sinusoidal vibration under first natural frequency.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍 ,对端部绕组振动的在线监测作了简要分析 ,同时提出了一些个人看法。
This paper introduces a relaxed damage of a Large Generator Stator, measurement and analysis of the mode of the end winding, good suggests on preventive measures of resonant vibration are given.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍 ,对端部绕组振动的在线监测作了简要分析 ,同时提出了一些个人看法。
This paper introduces a relaxed damage of a Large Generator Stator, measurement and analysis of the mode of the end winding, good suggests on preventive measures of resonant vibration are given.
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