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Fuzzy fault tree analysis method of denitration system in thermal power plants

Author

Listed:
  • Xiong Wei
  • Teng Wang
  • Xu Wang
  • Jiajun Ma
  • Guangjie Li
  • Qiang Zhan
  • Dandan Wu
  • Jiancun Zuo

Abstract

Denitration System (DS) is an important part of the production of thermal power plants, and any failure that occurs during its operation will seriously affect the productivity and safety of thermal power plants. Therefore, this paper proposes a Fuzzy Fault Tree (FFT) analysis method for DS of thermal power plants. Firstly, the theory of FFT is described, then the process flow of DS is introduced, the main faults in the operation of the system are analysed and the FFT is established for the main faults. The ambiguity of the basic event probability is solved by fuzzy set theory and expert judgment. After qualitative and quantitative analysis, the weak parts of the system and the degree of importance of the basic events are evaluated, so that it's of great significance to formulate protective measures in advance for the weak links of the system.

Suggested Citation

  • Xiong Wei & Teng Wang & Xu Wang & Jiajun Ma & Guangjie Li & Qiang Zhan & Dandan Wu & Jiancun Zuo, 2024. "Fuzzy fault tree analysis method of denitration system in thermal power plants," International Journal of Reliability and Safety, Inderscience Enterprises Ltd, vol. 18(4), pages 381-396.
    • Handle: RePEc:ids:ijrsaf:v:18:y:2024:i:4:p:381-396
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