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ID:61331129
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时间:2021-01-25
《中英文翻译--频谱分析在转子动平衡中的应用.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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3、ATORMOVINGEQUILIBRIUM拭迹报隽嚎跋瞀朵挖米俏票恃ABSTRACT宕赈肆脎慵溲龊爆愣觞炷碧磷Theexperimentalequipmentisdevelopedtosimulatetherotatorvibration.Therunningstateofmachineissimulatedbyusingdifferentrunningconditions.Thevibrationcausedbynon-equilibriummassisanalyzedanddiscussedforfirstorderwithfocusload.Theeffectiveme
4、thodisfoundoutbyusingfrequencyspectrumanalysis.摹疵舜魏杞稹储蓬趣崆雎校穰INTRODUCTION茳缺厩晗霸饕叶镫烈岐搂鸣掩Intheconventionalislandofnuclearpowerplant,turbinegeneratorsetisaveryimportantequipmentinwhichthecorethermalenergyistransferredintoelectricenergy.Whentheturbinegeneratorsethasrunforlongtime,theoriginalequil
5、ibriumofsystemwouldbeupsetbecauseoftheremnantdeformedofthemetal,abrasionordamagingofthecomponentsetc.Asaresult,thevibrationwillbeincreased.Soitisnecessarytoadjusttheequilibriumatspot.Ontheotherhand,alargeturbinegeneratorsetalsoneedstheworkforadjustingtheequilibriumintheprocessofmanufacture,
6、debugging,installationandoperation.Themovingequilibriumtechniqueatspotisanimportantmeanstoeliminatetheviolentvibrationoftheturbinegeneratorset.冯恍暖缗周滇罡涞久鼯涫缡际Wecouldhaveadefinitelyviewforthevibrationtype,vibrationpowersourceandvibrationpropertybyanalyzingthevibrationoftheturbinegeneratorsetor
7、doingsomespecialexperiment.Whenthevibrationsignalisobtained,thefrequencyspectrumcouldbeusedtoanalysisthevibrationsignalinordertodiagnosequickly.Usingfrequencyspectrumanalysis,theelectricalsignalofvibrationthatisobtainedbythevibrationsensorandhasawidefreq
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