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首页> 外文会议>International Conference on Sustainable Synergies from Buildings to the Urban Scale >Assessing Lighting Energy Saving Potential from Daylight Harvesting in Office Buildings Based on Code Compliance Simulation Techniques: A Comparison
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Assessing Lighting Energy Saving Potential from Daylight Harvesting in Office Buildings Based on Code Compliance Simulation Techniques: A Comparison

机译：根据代码合规性和仿真技术评估办公楼中的日光收集点心节能潜力：比较

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摘要

Daylighting is a cornerstone strategy aiming at reducing a building's energy consumption. Daylight responsive dimming is a proven, mature technology, that significantly reduces lighting energy use, which in turn, affects both energy consumption and peak loads as well. Although in Energy Performance Building Directive (EPBD), the use of a daylighting harvesting system is encouraged, the specifications are rather limited based on EN 15193:2007. According to literature, the potential for lighting energy savings from daylight integration, can approach 60.0%. Consequently, a more accurate and detailed calculation rnethod could possible result in downgrading a building's energy performance rating, when compared with simplified procedures that may underestimate these savings. The paper builds on the authors' previous work, providing an overview of the methods and techniques used to estimate lighting energy savings due to daylight harvesting. An extensive comparison is carried out between the resulting energy savings as estimated by the method adopted in EN 15193:2007 and its variation by the Greek Regulation for the Energy Efficiency of Buildings (KENAK), with savings calculated by more complex calculation methods that require the use of simulation tools. According to the results, great differences are observed in the estimated lighting energy savings between simulation and EN15193:2007. These differences still exist even when the parameters used in EN15193 are calculated by an external software affecting energy performance certificate rating.
机译：夏日是一个基石战略，旨在减少建筑的能源消耗。日光响应式调光是一种经过验证的成熟的技术，可显着降低照明能源使用，即又影响能量消耗和峰值负荷。虽然在能量性能构建指令（EPBD）中，鼓励使用日光收集系统，但规格基于EN 15193：2007年。根据文献，夏令时节能的潜力可以接近60.0％。因此，与可能低估这些储蓄的简化程序相比，更准确和详细的计算RNethod可能导致建筑物的能量性能等级降级。本文建立在作者之前的工作中，概述了用于估计由于日光收获而节省照明能量的方法和技术。通过EN 15193：2007所采用的方法估计，通过对建筑物（KENAK）能源效率的方法估计，在所产生的节能之间进行了广泛的比较，并通过更复杂的计算方法计算的节省使用仿真工具。根据结果​​，在仿真和EN15193：2007之间的估计照明节能中观察到巨大差异。即使在EN15193中使用的参数通过影响能量性能证书评级的外部软件计算，这些差异仍然存在。

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