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Dynamic Balance and Vibration Control on Field of the Fan L9DVN272ZV in Lingao Nuclear Power Plant

[+] Author Affiliations
Xiangxiang Dong, Zhaojie Li

CGNPC, Yangjiang, Guangdong, China

Paper No. ICONE21-15148, pp. V001T01A010; 3 pages
  • 2013 21st International Conference on Nuclear Engineering
  • Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Radiation Protection and Nuclear Technology Applications
  • Chengdu, China, July 29–August 2, 2013
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5578-2
  • Copyright © 2013 by ASME


Dynamic balancing is an effective measure for adjusting an unbalanced fan rotor mass to within its allowable limits. This is a typically implemented method used in nuclear power plants for resolving fan rotor unbalance conditions.

The operating spectrum of L9DVN272ZV has always been the fundamental component of the vibration frequency since finding the fan high vibration. This paper discusses the balance process of the subject fan. The vibration data collected was evaluated to aid in selecting the proper method of vibration attenuation. Ultimately the fan vibration was reduced to within the specified allowable limits.

Copyright © 2013 by ASME



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