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The energy performance and passive survivability of high thermal insulation buildings in future climate scenarios

Building Simulation 2022年第7期15卷 1209-1225页

作者： Ran Wang Shilei Lu Xue Zhai Wei Feng School of Environment Science and Engineering Tianjin University92 Weijin RoadTianjin300072China Tianjin Key Laboratory of Built Environment and Energy Application Tianjin UniversityTianjin300350China Lawrence Berkeley National Laboratory BerkeleyCA 94720USA

Given that the passive performance simulation of buildings based on typical meteorological year data and specific design schemes makes it challenging to respond to climate change and refine design requirements on time,this article established a passive performance prediction model for future buildings considering multi-dimensional variables including climate change,building design,and operational characteristics.For high thermal insulation buildings under future climates,the mild climate zone is more sensitive than the others,cooling energy demand is more sensitive than heating demand,apartments are more sensitive than office buildings,and passive survivability is more sensitive than energy performance;for buildings of the same type located in the same climate zone,thermal design solutions determine the increase rate of cooling demand.The potential benefits of climate warming on heating demand reduction are almost zero,but the cooling demand increases significantly,with apartments and office buildings increasing up to 22.1% and 5.0%,respectively.Buildings generally overheat in the future,and the increase rate of the mild zone far exceeds other zones with duration and severity being 3004.8% and 877.7%for apartments,and 884.3% and 288.9%for office buildings,respectively.

关键词： climate change overheating risk cooling demand heating demand scenarios thermal insulation

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Technologies and Practical Implementations of Air-conditioner Based demand Response

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Journal of Modern Power Systems and Clean Energy 2021年第6期9卷 1395-1413页

作者： Muhammad Waseem Zhenzhi Lin Yi Ding Fushuan Wen Shengyuan Liu Ivo Palu School of Electrical Engineering Zhejiang University Department of Electrical Power Engineering and Mechatronics Tallinn University of Technology

Nowadays,the most notable uncertainty for an electricity utility lies in the electrical demand of end-users.demand response(DR)has acquired considerable attention due to uncertain generation outputs from intermittent renewable energy sources and advancements of smart grid technologies.The percentage of the air-conditioner(AC)load over the total load demand in a building is usually very high.Therefore,controlling the power demand of ACs is one of significant measures for implementing DR.In this paper,the increasing development of ACs,and their impacts on power demand are firstly introduced,with an overview of possible DR programs.Then,a comprehensive review and discussion on control techniques and DR programs for ACs to manage electricity utilization in residential and commercial energy sectors are carried out.Next,comparative analysis among various programs and projects utilized in different countries for optimizing electricity consumption by ACs is presented.Finally,the conclusions along with future recommendations and challenges for optimal employment of ACs are presented in the perspective of power systems.

关键词： Air-conditioner(AC) commercial load cooling demand demand response(DR) energy consumption residential load

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