汽轮机组轴承座调谐质量阻尼器振动控制

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中图分类号：TH113.1 文献标志码：A 文章编号：2095-2945（2025）29-0051-04

Abstract：Inordertosolvetheproblemofexcessivevibrationofthebearinghouseofa1OooMWsteamturbinegenerator unitinacertainpowerplant，thevibrationequationofthetwo-degre-of-fredomsystemwiththebearing houseanddamper basedonthevibrationreductionprincipleofthetunedmassdamperisestablished.Theimpactsofdampingratio，massratioand naturalfrequencyratioonthevibrationofthemainsystemareanalyzedtheoretically.AccordingtotheParticleSwarm Optimization，themassratioO.O3，thenaturalfrequencyratioO.99andthedampingratioO.1ofTMDkeyparametersare designed.ThevibrationreductionefectofaddngTMDdampingdevicetothebearinghouseisverifedthroughexperiments.The resultsindicatethatthevibrationof thebearinghousecanmetthesystemrequirementswiththevibrationreductionof 89.8% throughvibrationreductioncontrolofTMD.Thisresearchresultcanprovidesupportforsolvingthevibrationproblemof large rotating equipment in domestic power plants.

Keywords：bearing house vibration;tuned massdamper; vibrationreduction control;steam turbine;TMD keyparameter

汽轮发电机是发电厂的核心设备，主要由转动部件和静止部件组成，汽轮机组轴承座振动是一个比较普遍的现象。（剩余3713字）