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江苏方天电力技术有限公司,南京 211102
WAN Yu, E-mail: wanyujs@163.com
收稿日期:2023-08-21,
修回日期:2023-09-29,
纸质出版日期:2025-05-15
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万瑜,金传领. 特高压换流站调相机管道异常振动分析及减振研究[J]. 机械强度,2025,47(5):63-70.
WAN Yu,JIN Chuanling. Analysis and vibration reduction study of abnormal vibration in the pipeline of ultra-high voltage converter station synchronous condenser[J]. Journal of Mechanical Strength,2025,47(5):63-70.
万瑜,金传领. 特高压换流站调相机管道异常振动分析及减振研究[J]. 机械强度,2025,47(5):63-70. DOI: 10.16579/j.issn.1001.9669.2025.05.008.
WAN Yu,JIN Chuanling. Analysis and vibration reduction study of abnormal vibration in the pipeline of ultra-high voltage converter station synchronous condenser[J]. Journal of Mechanical Strength,2025,47(5):63-70. DOI: 10.16579/j.issn.1001.9669.2025.05.008.
大型同步调相机配套管道异常振动问题,不仅会降低管道的使用寿命,还会影响调相机润滑油和冷却液的供应,严重时甚至会造成重大安全事故,危害电力系统的稳定性。以某特高压换流站的同步调相机润滑油供油管道为研究对象,使用现场测量、流固耦合和谐响应分析等多种方法,研究了管道振动的产生原因和机制。结果表明,由调相机本身产生的周期性激振力是管道振动的主要原因。进一步提出基于调谐质量阻尼器(Tuned Mass Damper
TMD)的管道减振措施,试验和仿真数据表明,在润滑油供油管道系统4和5、6和7支吊架中间位置各安装一个TMD,减振效果最佳,可将该管系的振动加速度降低90%以上,具有良好的减振效果。
Abnormal vibration in the pipeline associated with large synchronous condensers not only reduces the lifespan of the pipeline but also affects the supply of the lubricating oil and coolant for the synchronous condenser
posing a serious risk of major safety accidents and jeopardizing the stability of the power system. The lubricating oil supply pipeline of a specific ultra-high voltage converter station synchronous condenser was taken as the research object. Multiple methods
including field measurements
fluid-structure coupling
and harmonic response analysis
were used to investigate the causes and mechanisms of the pipeline vibration. The results indicate that the periodic excitation force generated by the synchronous condenser itself is the main cause of pipeline vibration. Furthermore
a pipeline vibration reduction measure based on a tuned mass damper (TMD) was proposed. Experimental and simulation data shows that installing a TMD at the intermediate positions between suspension supports 4 and 5
as well as 6 and 7 in the lubricating oil supply pipeline system
yields the best vibration reduction effect. This approach can reduce the vibration acceleration of the pipeline system by over 90% and exhibits the excellent vibration reduction performance.
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