Variable-air-volume air-conditioning system under reduced static pressure control

Dennis S.L. Tung, Shiming Deng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

7 Citations (Scopus)


A field experimental study on the performance of a VAV system having a variable speed drive for fan motor under reduced static pressure control has been carried out. Direct-digital-conirol VAV boxes and network communication technology were applied in the study. The supply fan speed was adjusted to its lowest possible level using summation of airflow passing each VAV box as the control signal. The results confirmed that more fan energy can be saved if duct static pressure is allowed to be reduced as compared to the requirements of fixed static pressure control algorithms, and when a VAV system is operated in lighter load condition under reduced static pressure control.
Original languageEnglish
Pages (from-to)77-83
Number of pages7
JournalBuilding Services Engineering Research and Technology
Issue number2
Publication statusPublished - 1 Jan 1997

ASJC Scopus subject areas

  • Building and Construction


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