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Energy performance and optimal control of air-conditioned buildings with envelopes enhanced by phase change materials

机译：相变材料增强围护结构的空调建筑物的能源性能和最佳控制

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摘要

Studies are conducted to investigate the impacts of shape-stabilized phase change material (SSPCM) and different control strategies on the energy consumption and peak load demand as well as electricity cost of building air-conditioning systems at typical summer conditions in two climates (subtropical and dry continental climates). An office building using a typical variable air volume (VAV) air-conditioning system was selected and simulated as the reference building in this study. Its envelopes were enhanced by integrating the SSPCM layers into its walls while the air-conditioning system and other configurations of the building remained unchanged. The building system was tested under two typical weather conditions and two typical electricity pricing policies (i.e., time-based pricing and energy-plus-demand-based pricing). Test results show that the use of SSPCM in the building could reduce the building electricity cost significantly (over 11% in electricity cost reduction and over 20% in peak load reduction), under two pricing policies by using load shifting control and demand limiting control respectively. This paper presents the test results and the evaluation on the energy performance and the optimal control strategies of air-conditioned commercial buildings with envelopes enhanced by SSPCM.
机译：进行研究以研究形状稳定的相变材料（SSPCM）和不同的控制策略对两种气候（亚热带和夏季）典型夏季条件下建筑空调系统的能耗和峰值负荷需求以及电力成本的影响。干燥的大陆性气候）。在本研究中，选择了使用典型的可变风量（VAV）空调系统的办公楼，并对其进行了仿真。通过将SSPCM层集成到墙中来增强其围护结构，而空调系统和建筑物的其他配置保持不变。该建筑系统在两种典型的天气条件和两种典型的电价政策（即基于时间的定价和基于能源加需求的定价）下进行了测试。测试结果表明，在两种定价策略下，分别使用负荷转移控制和需求限制控制，在建筑物中使用SSPCM可以显着降低建筑物的电力成本（电力成本降低超过11％，高峰负荷降低超过20％）。 。本文介绍了采用SSPCM增强围护结构的空调商业建筑的测试结果以及对能源性能和最佳控制策略的评估。

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  • 来源
    《Energy Conversion & Management》 |2011年第10期|p.3197-3205|共9页
  • 作者

    Na Zhu; Shengwei Wang; Zhenjun Ma; Yongjun Sun;

  • 作者单位

    Department of Building Services Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong;

    Department of Building Services Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong;

    Department of Building Services Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong;

    Department of Building Services Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    phase change material; energy cost saving; load shifting; peak demand reduction; control strategy;

    机译：相变材料;节省能源成本;负荷转移;降低峰值需求;控制策略;

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