浅谈可再生能源在建筑节能中的应用

通过对建筑节能及可再生能源的综述,阐述了太阳能养护混凝土制品、被动式太阳房、地源热泵采暖、工业废渣、木材及农业废渣、建筑垃圾等可再生能源在建筑节能中的应用,以达到提高能源转化效率和实现能源综合利用的目的。     

大力推进可再生能源在建筑中的规模化应用

当前，我们应抓住扩大内需的有利时机，进一步扩大可再生能源建筑应用示范规模，适时调整技术支持重点领域，更好地推进可再生能源在建筑中的规模应用；同时继续做好示范项目的测评标识工作，提高可再生能源利用效率，降低常规能源的消耗，减少环境污染。     

低碳住区的可再生能源利用

在阐明低碳住区概念的基础上,通过系统分析,归纳出低碳住区可再生能源的使用情况,并对这几类技术分别作了论述,总结了我国低碳住区中可再生能源发展所遇到的问题,为实现节能减排的目标奠定了基础。     

可再生能源在农村住宅中的应用研究

对太阳能、地源热泵、生物质能、风能等可再生能源在农村住宅中的应用进行了研究,指出在农村建设中合理开发利用可再生能源,不仅可以减缓中国能源紧张局面,还可以改善农村生存环境,促进城乡协调,实现社会经济的可持续发展。     

可再生能源建筑应用推广机制构建

通过分析指出可再生能源建筑的外部性是阻碍可再生能源建筑应用推广的本质原因,因此应加大力度建立完善可再生能源建筑应用推广机制,使建筑行业朝着低能耗,少污染的方向发展,分别阐述了相关构建原则,具体框架思路等内容,以指导实践。     

太原市可再生能源在建筑中应用的研究探索

分析了太原市地理气候条件及可再生能源状况,介绍了太原市可再生能源在建筑中利用的原则及应用投资运行费用,并探讨了太原市可再生能源的应用前景及成效,对实现建筑节能具有重要意义。     

太原市可再生能源建筑应用开展情况

对太原市可再生能源建筑应用示范城市开展情况进行了回顾与总结,介绍了太原市可再生能源建筑应用项目完成情况,对年度可再生能源建筑应用发展特点进行了分析,并对其工作措施作了具体阐述,为同类城市建设项目提供了参考和借鉴。     

Uncertainty in estimating renewable energy utilisation potential: a case of solar thermal power generation in India

Estimation of renewable energy utilisation potential is important for identification of niche areas and prioritisation amongst different options. However, large variation in the potential estimates has been observed in different studies for the same renewable energy technology. This study is an attempt to analyse such a variation in the estimated potential for solar thermal power generation in India. From the analysis of three studies, it is found that the values of input parameters and the assumptions made substantially affect the estimated potential. The estimates of the utilisation potential depend upon the categories of wastelands selected, the chosen values of threshold DNI and wind speed as well as the criteria used for allocating suitable wastelands between solar photo-voltaic (PV) and thermal power generation. It is therefore critically important that reported values of renewable energy utilisation potential be interpreted and used with full cognisance of assumptions made and input parameters used in estimation.     

杭州绿色公共建筑应用可再生能源方案比较

从可再生能源技术特点出发,结合公共建筑用能特征,分析了杭州地区绿色公建中采用太阳能热水、太阳能光伏和土壤源热泵系统三种可再生能源的可行性,为公共建筑可再生能源方案选择提供指导。     

Utilization of renewable energy in architectural design

Renewable energy does not simply equal to using a photovoltaic (PV) board. In addition to heating, ventilation and air conditioning (HVAC) engineering considerations, the design approaches of architects are crucial to the utilization condition and methods of renewable energy. Through profound comprehension of the relationship between renewable energy utilization and design approaches, we can achieve a dual-standard of building environment performance and esthetics. Translated from Architectural Journal, 2006, (2): 13–17 [译自: 建筑学报]     

太原市建筑节能管理中心可再生能源建筑应用

对太原市可再生能源建筑应用情况进行了统计分析,并对太原市建筑节能管理中心关于太原市可再生能源建筑应用的工作目标任务及完成情况进行了分析,总结出了太原市可再生能源建筑应用的工作创新点以及所遇到的问题与困难,针对统计分析的结果,从而规划了下个年度的工作计划。     

国外生态村低影响景观生态技术实践——可再生能源景观营造

人居环境是资源消耗的重要区域,在人类建设扩张及资源大肆消耗的今天,人们纷纷以可再生能源的利用为思路探索能源结构转型的有效途径。国外生态村通过能源利用与消耗方式的改变节约地球资源,是对人居环境能源可持续化建设的积极探索。从太阳能、风能、地热能、生物能和绿化节能5个层面阐述生态村低影响景观生态技术在可再生能源利用方面的实践。研究以多种再生能源组合应用的方式,使其发挥各自优势而形成以多元与高效为特点的可再生能源景观,以期为我国生态社区能源景观实践提供借鉴。     

Stability analysis of connected large-scale renewable energy sources into Jordanian national power grid

ABSTRACT

Electricity and the underlying infrastructure for its production, transmission, and distribution are essential to the well-being of society. Jordan does not have the natural resources as its neighbours and imports 97% of its energy and fuel requirements, nearly 20% of the country’s Gross Domestic Product. The rising cost of importing energy resources has forced the government to reconsider its energy consumption policies and address the issue of reliance on international energy markets for direct imports. This paper aims to study the effect of integrating large-scale renewable energy on the stabile behaviour of Jordanian transmission grid based on the 2017 scenario, and all analyses are made by DigSILENT; as a result of this paper, we understand when the system reaches the peak load, the grid will be stable, but the system will face unstable situations when the system reaches low load due to loss of wind.     

Economic evaluation of variable renewable energy participation in U.S. ancillary services markets

Variable renewable energy (VRE) is not yet meaningfully participating in U.S. ancillary services (AS) markets. VRE participation in AS markets could provide a new source of revenue for VRE resource owners to offset declining energy and capacity values and a new tool for power system operators to address emerging system constraints. This paper uses a price-taker dispatch model and historical prices to estimate the economic value of standalone and hybrid (battery-paired) VRE participation in AS markets, from the resource owner and electricity system perspectives, in each of the seven U.S. independent system operator and regional transmission organization (ISO/RTO) markets where ancillary service prices are set. Across ISO/RTO markets, average (2015–2019) simulated incremental revenues from power regulation market participation were $0.0–2.9/MWh (+0–15% of revenue without participation) for standalone VRE owners and $1–33/MWh (+1–69%) for hybrid VRE owners. However, ISO/RTO reserve markets are relatively thin and have the potential to become saturated by energy storage projects that are currently in ISO/RTO interconnection queues. In most markets, standalone and hybrid VRE could provide power regulation reserves during periods with high power regulation prices, suggesting that VRE participation in AS markets could have high system value. The analysis highlights the relevance of separate upward and downward power regulation products and indicates that ISOs/RTOs might consider initially focusing on enabling hybrid VRE provision of AS.     

Hybrid utilization of renewable energy and fuel cells for residential energy systems

This paper describes field experiments and numerical simulations on hybrid utilization of renewable energy and fuel cells for a residential energy system. It presents results of empirical testing and evaluation of hybrid utilization involving solar energy. First, field experiments were conducted on an electric power and domestic hot water supply system that uses both solar energy and fuel cells. The system achieved a large amount of reduction in primary energy consumption compared with conventional systems. Secondly, a simulation was performed on the optimum scale and effect of introduction of the system. The simulation results proposed the optimum capacities of the solar energy utilization and fuel cells to minimize primary energy consumption of the system.     

Multiple-project discount rates for cost-benefit analysis in construction projects: a formal risk model for microgeneration renewable energy technologies

The traditional economic approach for appraising the costs and benefits of construction project net present values involves the calculation of net returns for each investment option under different discount rates. An alternative approach consists of multiple-project discount rates based on risk modelling. The example of a portfolio of microgeneration renewable energy technology is presented to demonstrate that risks and future available budget for re-investment can be taken into account when setting discount rates for construction project specifications in the presence of uncertainty. A formal demonstration is carried out through a reversed intertemporal approach of applied general equilibrium. It is demonstrated that risk and the estimated available budget for future re-investment can be included in the simultaneous assessment of the costs and benefits of multiple projects.     

可再生能源在武汉某住宅建筑中的应用分析

以一住宅小区工程为例,分析了地源热泵和太阳能照明在住宅建筑中的应用.通过方案比较与节能分析,指出了可再生能源在住宅建筑中的应用前景.     

Exploring options for a 100% renewable energy system in Mauritius by 2050

This paper aims at critically analyzing the present and the proposed energy resource mix in Mauritius in order to make recommendations for a 100% renewable energy system for the island by 2050. While the Long Term Energy Strategy for the period 2009–2025 devised by the Government of Mauritius sets pathways for the future in a sustainable manner, it does not evaluate the feasibility of the options that will help in supporting this transition. Its scope is limited as the proposed framework aims at achieving only 35% self-sufficiency in terms of electricity supply by 2025 against 20% currently. This paper explores the main building blocks of a new energy paradigm by extending the analysis to 2050 in view of identifying systemic and holistic policies and strategies that will pave the way to a clean and efficient energy supply. Most notably, we look beyond electricity only to assess the energy system comprehensively in terms alternative resources for primary uses, including energy-intensive transportation and cooling. Ultimately, it also enhances the near-term energy framework by setting more ambitious green energy targets as a stepping-stone towards 100% energy self-sufficiency by 2050.     

太阳能在建筑节能工程的利用

结合我国能源消耗大,能源利用率低和太阳能资源极其丰富的现状,分析了建筑节能的实现措施和太阳能作为可再生资源在工程中的应用,并向人们展现了利用太阳能的美好前景。     

Exploring sustainable energy future in Reunion Island

To cope with dependency of imported fossil fuels, high shares of renewable energy sources are expected to expand in electricity production in Small Islands. The case of Reunion Island that aims at having an electricity generation based to 100% on renewable energies by 2030 is analyzed using a bottom-up cost-optimization TIMES model. Future production mixes are providing according to different scenarios focusing on alternatives renewable energy sources. The case of Reunion Island provides a good example for the definition of an energy policy fostering renewable technologies to supply electricity and highlighting the crucial role of incentives policies.