Optimization of energy consumption in vertical mobility systems of high-rise office buildings: A case study from a developing economy

IF 3.2 4区 工程技术 Q3 ENERGY & FUELS
A. C. H. J. Thebuwena, S. M. Samindi M. K. Samarakoon, R. M. Chandima Ratnayake
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Abstract

Elevator systems serve as the primary mode of transportation in tall buildings which consumes approximately 5–15% of a building's total energy demand. This research explores the potential for energy savings in elevator systems while maintaining passenger comfort through the implementation of green approaches. The research concentrates on a contemporary high-rise office building situated in the central business district of a developing economy. It employs a case study methodology involving traffic simulation to determine optimal elevator specifications for industry-standard service levels. By conducting the simulation, the researchers identified the optimal number of elevators, elevator capacity, speed, and the most suitable elevator management system. Following that, a range of green measures were implemented, including the incorporation of a regenerative system, to effectively reduce the electrical energy consumption of the elevator system. Subsequently, a passenger traffic simulation model was integrated with an energy calculation model to jointly simulate and calculate the elevator system's overall energy consumption and regeneration. The elevator energy requirements were optimized, while maintaining user-friendliness and requirements related to guidelines given in the standards. The results showed that 36% of the energy consumption was reduced by incorporating an energy regenerative option into the elevator system in addition to selecting efficient mechanical components and implementing an efficient elevator traffic management system. This research contributes to the limited body of literature on energy optimization in elevators and emphasizes the importance of balancing energy efficiency with service quality. These findings provide guidance for establishing benchmarks in reducing energy consumption, in relation to elevator systems.

Abstract Image

高层办公楼垂直移动系统的能耗优化:发展中经济体的案例研究
电梯系统是高层建筑的主要运输方式,其能耗约占建筑总能耗需求的 5-15%。本研究探讨了电梯系统的节能潜力,同时通过实施绿色方法保持乘客的舒适度。研究集中于一座位于发展中经济体中央商务区的现代高层办公楼。研究采用案例研究方法,通过交通模拟来确定符合行业标准服务水平的最佳电梯规格。通过模拟,研究人员确定了最佳电梯数量、电梯容量、速度和最合适的电梯管理系统。随后,研究人员实施了一系列绿色措施,包括采用再生系统,以有效降低电梯系统的电能消耗。随后,客流模拟模型与能源计算模型相结合,共同模拟和计算电梯系统的整体能耗和再生。在保持用户友好性和标准规定的相关要求的同时,对电梯的能源需求进行了优化。结果表明,除了选择高效的机械部件和实施高效的电梯交通管理系统外,在电梯系统中加入能源再生选项可降低 36% 的能耗。这项研究为有限的电梯能源优化文献做出了贡献,并强调了平衡能源效率和服务质量的重要性。这些研究结果为建立电梯系统能耗降低基准提供了指导。
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来源期刊
Energy Efficiency
Energy Efficiency ENERGY & FUELS-ENERGY & FUELS
CiteScore
5.80
自引率
6.50%
发文量
59
审稿时长
>12 weeks
期刊介绍: The journal Energy Efficiency covers wide-ranging aspects of energy efficiency in the residential, tertiary, industrial and transport sectors. Coverage includes a number of different topics and disciplines including energy efficiency policies at local, regional, national and international levels; long term impact of energy efficiency; technologies to improve energy efficiency; consumer behavior and the dynamics of consumption; socio-economic impacts of energy efficiency measures; energy efficiency as a virtual utility; transportation issues; building issues; energy management systems and energy services; energy planning and risk assessment; energy efficiency in developing countries and economies in transition; non-energy benefits of energy efficiency and opportunities for policy integration; energy education and training, and emerging technologies. See Aims and Scope for more details.
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