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http://dx.doi.org/10.5050/KSNVN.2002.12.11.897

Examination of the Periodic High Vibration by the Accumulated Carbide at Oil Deflector of a Steam Turbine for Power Plant  

양승헌 (두산중공업㈜ 기술연구원)
박철현 (두산중공업㈜ 기술연구원)
김재실 (창원대학교 메카트로닉스 공학부)
하현천 (창원대학교 메카트로닉스 공학부)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.12, no.11, 2002 , pp. 897-903 More about this Journal
Abstract
The periodic high vibration has been occurred one or two times a day for a 500 MW large steam turbine during 5 months. This abnormal vibration was caused by the rubbing between the rotor and the carbide accumulated on the seal tooth of oil deflector. It was found that the accumulated carbide was insulation material installed on the HIP casing from the examination of the chemical composition. Also, this paper presents the mechanism of the periodic high vibration and the proper method to eliminate this vibration problem. This result would be good practice to find the solution of similar high vibration in the steam turbines for power plant as well as industrial rotating machineries.
Keywords
Rubbing; Steam Turbine; Oil Deflector; Accumulated Carbide; Periodic High Vibration; Mass Unbalance; Misalignment;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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