Cost-Saving through Pre-Cooling: A Case Study of Sydney

Shayan Naderi, S. Heslop, Dong Chen, I. MacGill, G. Pignatta
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引用次数: 6

Abstract

Air conditioning is responsible for a considerable proportion of households’ electricity bills. During summer afternoons when households usually run their air conditioners, the retail time-of-use electricity tariffs are highest, and there is a peak demand in the electricity network. Pre-cooling is a method to shift air conditioning demand from peak hours to hours with lower demand and cheaper electricity tariffs. In this research, the pre-cooling potential of nine different types of residential housing in Sydney constructed with different star ratings and construction weights is evaluated. Star rating is the method to represent the annual heating and cooling requirements of buildings in Australia. Results highlight that pre-cooling produces cost saving for most of the days in 6-star and 8-star buildings. For 2-star buildings, pre-cooling sometimes leads to higher electricity costs. Moreover, pre-cooling improves thermal comfort, especially in 2-star light and medium weight buildings.
通过预冷节约成本:以悉尼为例
空调在家庭电费中占相当大的比例。在夏季下午,当家庭通常使用空调时,零售分时电价最高,电网需求达到峰值。预冷是将空调需求从高峰时段转移到需求较低且电价较低的时段的一种方法。在本研究中,评估了悉尼九种不同星级和建筑重量的不同类型住宅的预冷潜力。星级评级是澳大利亚建筑物年度采暖和制冷需求的代表方法。结果表明,在6星级和8星级建筑中,预冷在大部分时间内都节省了成本。对于2星级建筑,预冷有时会导致更高的电费。此外,预冷可以改善热舒适性,特别是在2星级轻、中重量建筑中。
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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