Comparison of compressor control strategies for solar direct drive refrigerators

Jonas K. Jensen, Hendrik Moeller, Ivan Katic, Per Henrik Pedersen, Wiebke Brix Markussen

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The influence of the applied compressor control strategy on the performance of a solar direct drive refrigeration system was investigated using numerical modelling and simulations. Two compressor types and three compressor control strategies where investigated. Further, four configurations where included: a 360 W and a 180 W PV panel both with and without compressor start power delivered from the PV panel. Results showed that both the choice of compressor and the applied control strategy affected the systems ability to utilize the available power from the PV panel, especially under lower irradiance conditions and when the PV panel was downsized. However, results show that if the need for compressor start power delivered by the PV panel was alleviated the size of the PV panel can be halved without significant reductions in performance.
Original languageEnglish
Title of host publicationProceedings of the 25th IIR International Congress of Refrigeration
Number of pages8
PublisherInternational Institute of Refrigeration
Publication date2019
Publication statusPublished - 2019
Event25th IIR International Congress of Refrigeration (ICR 2019) - Montréal , Canada
Duration: 24 Aug 201930 Aug 2019


Conference25th IIR International Congress of Refrigeration (ICR 2019)

Bibliographical note

Copyright © IIF/IIR.
Published with the authorization of the International Institute of Refrigeration (IIR):


  • Solar Direct Drive
  • PV Panel
  • Control Strategy
  • Compressor Speed Control
  • Ice Bank Storage


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