核电汽机基础扰力振动与地震动力响应控制分析

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中图分类号：TU476+.1 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202410038

Abstract：Tostudythedynamicresponsecombinedcontrolproblemofnuclearpowerturbinegeneratorfoundationstobothmachie-and earthquake-inducedvibratios，thisresearchderivedthemotionequatiofortheturbineotorbearingseatfoundationstructuresstemThe consistencbetweentheoreticalcalculationandnumericalsimulationasthenvifiedOnthebsisoftengineringontetofte foundationfortwooalspedturbiegeneratoritsinuclearpowerproectvbatioanalyssusingoe-dmesioaladt dimensionaliputseperfoed.Testeadstatesposeofthestructretoeotorubalanedfeasompaedbeteeeelastic andrigidfoundatioodels.Tepastceformatiodeveopmentoftelasticandrigidfoundatiomodelsereaalyeduderarthuake ground motionsaccountingfortheplastichingemodelingAcordinglyhesesmicsolationpeformaneoftheelasticfoundationwas exploredintesofthestorydrift，intealforeofompoentsandaelerationatunbalancedactionspotsTeresultssowthatuder machine-iducedatiocatioofgoatorseastsplacetsposatbaladctso，tut displacement response of the lower frame about 35%90% .Moreover，the use of spring isolators effectively decreases the development of structural plasticity and reduces the acceleration response at unbalanced action spots around 10%～40% under earthquakes.

Keywords：elasticfoudatioigidfoundatio;ubalaedoentegatedotrolofegiegvibatiodsesmicibat;c response

汽轮发电机是核电主厂房中的关键设备，近年来，大型核电汽轮发电机组在中国发展迅速。（剩余15378字）