Integrating a High Solar Combi-Plus System using PCM Storage in a Smart Network: KSA Case Study

Mohamed Hmadi, A. Mourtada, R. Daou
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引用次数: 1

Abstract

This study optimizes the performance and integration of a high solar combi-plus (HSC+) system in large scale smart network, aided with a phase change material (PCM) in providing the thermal loads of cooling, heating, and domestic hot water for a group of buildings all over the year without the use of any other auxiliary source of energy. The mathematical models of the system’s components including the evacuated tube heat pipe solar collectors, the PCM, the hot water driven lithium bromide absorption chiller, the heating system, and the domestic hot water tank were coupled in a fully programed calculator developed using "Visual Basic ©". The thermal and electrical consumption baselines were hourly simulated using the "Design Builder" Program, and then entered to the calculator to find the system’s optimized collectors and storage sizes.A feasibility study comparison shows that "The All-Centralized" is better than "The Semi-Centralized" configuration for integrating this system in a smart network for a group of 100 villas located in Riyadh KSA. Finally, applying a demand response scenario increases the system’s reliability through its ability in serving up to 7 % more of villas with the same installed smart network.
在智能网络中集成使用PCM存储的高太阳能组合系统:KSA案例研究
本研究优化了大型智能网络中高太阳能组合+ (HSC+)系统的性能和集成,在相变材料(PCM)的辅助下,全年为一组建筑物提供冷却、加热和生活热水的热负荷,而不使用任何其他辅助能源。系统各部件的数学模型,包括真空管热管太阳能集热器、PCM、热水驱动溴化锂吸收式制冷机、加热系统和生活热水箱的数学模型,耦合在一个完全可编程的计算器中,使用“Visual Basic©”开发。使用“Design Builder”程序每小时模拟一次热和电力消耗基线,然后输入计算器以找到系统的优化集热器和存储尺寸。可行性研究对比表明,“全集中式”配置比“半集中式”配置更适合将该系统集成到位于沙特利雅得的100栋别墅的智能网络中。最后,应用需求响应场景可以提高系统的可靠性,在安装了相同智能网络的别墅中,它可以为7%以上的别墅提供服务。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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