Journal of Appliance Science & Technology ›› 2021, Vol. 0 ›› Issue (5): 68-71.doi: 10.19784/j.cnki.issn1672-0172.2021.05.011

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Experimental research on system matching of light commercial freezer switching compressor from fix speed to variable speed

SONG Xuena, LI He, WANG Shuangfei   

  1. Secop Compressors (Tianjin) Co., Ltd. Tianjin 301700
  • Online:2021-09-01 Published:2021-10-12

Abstract: Based on the experimental research on a stainless steel freezer, the necessary optimization on the refrigeration system, control system and auxiliary components are investigated for the cabinet switching compressor from fix speed to variable speed, including VSD compressor model selection, capillary and charge amount matching, defrost control and auxiliary component energy consumption optimization. Also, the energy consumption tests were carried out to verify the influence of the optimization. The test result shows that well matched variable speed compressor and optimized cooling system could reduce the energy consumption 23%. If plus optimization of control system and auxiliary components, the energy consumption could be reduced 37%.

Key words: Secop Compressors (Tianjin) Co., Ltd. Tianjin 301700

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