Investigations of faulty interaction effect to refrigeration system operations

Name: Denchai Woradechjumroen

Organization : Sripatum University. School of Engineering

Email : denchai.wora@gmail.com

ThaSH: Refrigeration and refrigerating machinery

ThaSH: Air conditioning

ThaSH: Energy conservation

Abstract: Supermarkets are the coupled system integration between HVAC (heating, ventilation and air-conditioning) and refrigeration systems in terms of interaction. The zone conditions provided by HVAC are used as the driving forces conditions for refrigeration load design to size proper compressor load. However, most of supermarket operators seldom understand the faulty interaction effect; faulty indoor conditions cause excessive power consumptions of refrigeration systems even they are operated efficiently because they are operated at wrong design conditions. The interaction effect is challenging issue in modern energy audit since both software and low-cost wireless sensors are more helpful to efficiently investigate any effect. Especially, faulty indoor interaction is not considered and still infancy in developing counties. This current paper present faulty interaction affecting to refrigeration system operations by utilizing data from building automation systems from supermarkets in the U.S. The method is simply developed to examine faulty interactions and the effect. The findings are that detected faulty operations lead to excessive power consumptions. Without the consideration, fault detection and diagnosis (FDD) performance is degraded and mistaken due to wrong conditions in analysis for refrigeration systems. The method can be further used by building operators or building auditors as easy-to-use tool for integrated system investigations.

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2017

Modified: 2026-05-27

Issued: 2026-05-27

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BibliograpyCitation : In King Mongkut's University of Technology North Bangkok Faculty of Engineering. The 8th TSME International Conference on Mechanical Engineering 2017 (TSME-ICoME8) (p.642-651) Bangkok : King Mongkut's University of Technology North Bangkok

eng

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