作者:楊冬麗,朱啟勇,李欣(浙江巨化熱電有限公司,浙江 衢州 324000)
摘要:本文就某熱電廠某型號汽輪發電機因發電機側支持軸承油膜渦動引 起的汽輪機發電組連續跳停進行分析總結。該型汽輪機為高溫、高壓、單 缸、單抽、背壓式機組。本文對引起油膜渦動的機理進行闡述,采用了頻 譜分析技術對震動原因進行分析,確定了引起機組振動的誘因。
關鍵詞:汽輪發電機組;振動;軸承;油膜渦動;頻譜分析
Abstract: This paper analyzes and summarizes the continuous trip of a steam turbine generator unit caused by the oil film whirl of the support bearing on the generator side in a thermal power plant. The type of the steam turbine is the high temperature and high pressure, single cylinder, single extraction and back pressure. In this paper, the mechanism of oil whirl is discussed. The frequency spectrum analysis technology is used to analyze the cause of vibration. The cause of vibration is determined.
Key words: whirl;Spectrum analysis
在線預覽:一起油膜渦動引起的汽輪發電機組軸系振動分析.pdf
摘自《自動化博覽》2021年8月刊