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Sustainability 2016, 8(11), 1151; doi:10.3390/su8111151

Development and Evaluation of Applicable Optimal Terminal Box Control Algorithms for Energy Management Control Systems

1
Senior Research Engineer, Construction & Energy Business Division, Korea Conformity Laboratories, 199, Gasandigital 1-ro, Geumcheon-gu, Seoul 08503, Korea
2
School of Architecture, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 16 August 2016 / Revised: 22 October 2016 / Accepted: 25 October 2016 / Published: 9 November 2016
(This article belongs to the Section Sustainable Engineering and Science)
View Full-Text   |   Download PDF [4207 KB, uploaded 9 November 2016]   |  

Abstract

Common energy management control systems (EMCS) in building HVAC systems could be made much more energy efficient without sacrificing comfort. Most researchers have focused on implementing optimal control algorithms in Variable Air Volume (VAV) systems with EMC functions. Previous studies have paid little attention to using terminal box EMC functions integrated with main AHU (Air Handling Unit) systems. Terminal boxes with EMCS may cause occupant discomfort and waste excessive energy if they do not have the proper operation control functions. The objective of this study is to evaluate the impact of energy consumption and estimate building energy savings on the optimal minimum air flow of single duct VAV terminal boxes and develop applicable optimal terminal box control algorithms for EMCS. This paper presents a dynamic model of a VAV terminal box with hydronic reheat, develops optimal terminal box control algorithms and applies the developed EMCS algorithms to an actual building. The results of this study show that optimal terminal box control algorithms can stably maintain the set room air temperature and reduce energy consumption for varying heating loads compared to conventional control algorithms. View Full-Text
Keywords: VAV terminal box; control algorithms; energy savings; thermal comfort VAV terminal box; control algorithms; energy savings; thermal comfort
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Seong, Y.-B.; Cho, Y.-H. Development and Evaluation of Applicable Optimal Terminal Box Control Algorithms for Energy Management Control Systems. Sustainability 2016, 8, 1151.

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