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Performance investigation of a variable speed vapour compression system for fault detection and diagnosis.

Author(s) : KIM M., KIM M. S.

Type of article: Article, IJR article

Summary

An experimental study has been performed to investigate the effect of four artificial faults on the performance of a variable speed vapour compression system. The experimental setup used to test several artificial faults was made by modifying the conventional vapour compression test rig. Four major faults of compressor fault, condenser fault, evaporator fault, and refrigerant leakage, were implemented by observing the variation in cooling capacity. Two different rule-based modules for constant and variable speed operations were organized for an easy diagnosis of system faults. These two modules were applied differently as the cooling capacity satisfies the necessary air conditioning load. As a result, COP degradation due to the fault in a variable speed system is more severe than that in a constant speed system.

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Pages: 481-488

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Details

  • Original title: Performance investigation of a variable speed vapour compression system for fault detection and diagnosis.
  • Record ID : 2005-1762
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 28 - n. 4
  • Publication date: 2005/06

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