Nuclear Engineering and Technology

  • 제53권10호
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  • Pages.3256-3263
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  • 2021
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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The detection and diagnosis model for small scale MSLB accident

  • Wang, Meng (College of Nuclear Science and Technology, Naval University of Engineering) ;
  • Chen, Wenzhen (College of Nuclear Science and Technology, Naval University of Engineering)
  • 투고 : 2020.08.13
  • 심사 : 2021.04.14
  • 발행 : 2021.10.25
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초록

The main steam line break accident is an essential initiating event of the pressurized water reactor. In present work, the fuzzy set theory and the signal-based fault detection method has been used to detect the occurrence and diagnosis of the location and break area for the small scale MSLB. The models are validated by the AP1000 accident simulator based on MAAP5. From the test results it can be seen that the proposed approach has a rapid and proper response on accident detection and location diagnosis. The method proposed to evaluate the break area shows good performances for small scale MSLB with the relative deviation within ±3%.

키워드

참고문헌

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피인용 문헌

  1. A fuzzy fault accommodation method for nuclear power plants under actuator stuck faults vol.165, 2021, https://doi.org/10.1016/j.anucene.2021.108674