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Risk Evaluation Based on Run Vulnerability for Power Generation Equipment

[+] Author Affiliations
Jianlan Li, Tao Yang, Kun Wang, Yanping Zhang, Shuhong Huang

Huazhong University of Science & Technology, Wuhan, China

Paper No. POWER2011-55430, pp. 247-253; 7 pages
doi:10.1115/POWER2011-55430
From:
  • ASME 2011 Power Conference collocated with JSME ICOPE 2011
  • ASME 2011 Power Conference, Volume 2
  • Denver, Colorado, USA, July 12–14, 2011
  • ISBN: 978-0-7918-4460-1
  • Copyright © 2011 by ASME

abstract

Accurate risk assessment is an important scientific basis for maintenance decision making. Based on the reliability analysis, prediction technology and fault dialogue technology, this paper defines a risk index, run vulnerability, which considers factors of equipment status, consequences of potential failures and run trend, thus, it reflects equipment risk more comprehensive than that of traditional risk index do. This paper presents a new risk evaluation model based on run vulnerability for power generation equipment. The model process all factors affecting run vulnerability with the quantification of fuzzy rules, and constructs a three-dimensional surface run vulnerability map to achieve the risk assessment of power generation equipment. The example of feed water pump’s risk evaluation validates the model.

Copyright © 2011 by ASME

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