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Economics of Operating Energy-Storage Air Conditioning Systems with Reduced Peak Power Demand 降低峰值功率需求运行储能空调系统的经济性
新型空调系统已经开发出来,在峰值负荷时只需消耗正常电力的一半,就能提供完全舒适的空调。本文描述了一个这样的系统,并评估了其作为传统做法替代方案的吸引力。由于燃料和新设备的成本增加,公用事业费率上升,预计使用非峰值功率的系统的吸引力将增加。电力公司的优势在于提高了负荷系数,因为对电能的部分需求从高峰负荷时期转移到了较低负荷时期,并减少了对新高峰负荷发电厂和输电设备的需求。这节省了运营费用和投资。这些因素通过费率结构反映出来,这意味着用户的运营成本降低。 具有这些优点的空调设备对电力公司极具吸引力。然而,指定此类系统的决定将基于每个特定应用的经济性。因此,我们进行了详细研究,以确定这些储能空调系统的用户将获得的运营经济性。能源系统模拟计算机程序用于模拟九个假设空调系统全年每小时的性能。选择特定的建筑特征、空调负荷、天气数据和设备效率作为可信的具体示例。结果仅直接适用于该特定建筑;然而,它们表明了在任何建筑的舒适性调节系统工程中进行详细评估的可能性。 引用:ASHRAE交易,第81卷,第一部分,新泽西州大西洋城
Novel air conditioning systems which provide full comfort conditioning while drawing as little as half the normal electrical power at times of peak load have already been developed. This paper describes one such system and evaluates its attractiveness as an alternative to conventional practice.As utility rates rise due to higher costs of fuel and new equipment, it is anticipated that the attractiveness of systems which use off-peak power will increase. The advantages to electrical utilities are an improved load factor because part of the demand for electrical energy is shifted from times of peak load to times of lower load and a reduced need for new peak load generation plants and transmission equipment. This constitutes a saving in operating expense and investment. These factors are reflected through the rate structures meaning reduced operating costs for the user.Air conditioning equipment with these advantages are extremely attractive to electrical utilities. Nevertheless, the decisions to specify such systems will be based on the economics of each particular application. A detailed study has therefore been made to determine the operating economies which will accrue to users of these energy storage air conditioning systems.Energy-system simulation computer programs were used to model the performance of nine hypothetical air conditioning systems on an hourly basis for an entire year. The particular building characteristics, air conditioning loads, and weather data and equipment efficiencies were chosen as a credible, specific example. The results are directly applicable only to this specific building; however, they indicate a possibility for detailed evaluation in engineering the comfort conditioning system of any building.
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