Field Vacuum Precooling

Category: 
Agricultural / Food Processing
Project Number: 
PGE 0704
Start Year: 
2007
End Year: 
2008
Markets Segments: 
Agricultural - Food Processing
Project Type: 
Demand Savings
Electric Energy Savings
Type of Technology: 
Industrial Refrigeration
Organization: 
Pacific Gas and Electric (PG&E)
Project Status: 
Completed

Project Summary

To prolong shelf life, produce such as lettuce, celery, and cauliflower must be pre-cooled to 35 ºF soon after harvest through the use of mobile vacuum refrigeration systems. Looking to reduce this energy use, this project evaluates the use of VFDs on the refrigeration and vacuum system motors to improve the efficiency of each unit used for pre-cooling. For more information, please contact the sponsoring organization.

PDF Report: 
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