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  • 标题:Heat Balancing in Cooling Systems using Distributed Pumping
  • 本地全文:下载
  • 作者:Carsten Skovmose Kallesøe ; Brian Kongsgaard Nielsen ; Agisilaos Tsouvalas
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2020
  • 卷号:53
  • 期号:2
  • 页码:3292-3297
  • DOI:10.1016/j.ifacol.2020.12.1139
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractHydronic cooling systems are often used in large buildings. In these systems, chilled water is transported from the chillers to Air Handling Units (AHUs) via a water distribution system. The temperature of the exhaust air from the AHU is controlled by the flow of the chilled water in AHUs. Installation costs are very important for the building sector, which has lead to a new structure of the hydronic system using distributed pumps. This paper derives a control scheme for this new structure that ensures flow requirements at the chillers and controls the air temperature at the local AHUs. Saturation problems are well known in hydronic systems and can lead to poor control performance in parts of the building. To mitigate this problem the hydronic system needs to be hydraulically balanced. With the proposed control this balancing procedure is handled automatically. The balancing algorithm is verified by a Modelica model of an office building.
  • 关键词:KeywordsCooling SystemsDistributed Optimization
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