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Zero energy buildings and mismatch compensation factors

机译：零能耗建筑和失配补偿因子

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摘要

This paper takes an overall energy system approach to analysing the mismatch problem of zero energy and zero emission buildings (ZEBs). The mismatch arises from hourly differences in energy production and consumption at the building level and results in the need for exchange of electricity via the public grid even though the building has an annual net-exchange of zero. This paper argues that, when looked upon from the viewpoint of the overall electricity supply system, a mismatch can be both negative and positive. Moreover, there are often both an element of levelling out mismatches between individual buildings and an element of economy of scale. For these three reasons mismatches should be dealt with at the aggregated level and not at the individual level of each building. Instead, this paper suggests to compensate the mismatch of a building by increasing (or decreasing) the capacity of the energy production unit. Based on historical data for the electricity supply area in western Denmark, this paper makes a first attempt to quantify mismatch compensation factors. The results indicate that such compensation factors are a little below one for buildings with photovoltaics (PV) and a little above one for buildings with wind turbines.
机译：本文采用整体能源系统方法来分析零能耗和零排放建筑物（ZEB）的不匹配问题。这种失配是由于建筑物级别的能源生产和消耗的小时差异而引起的，即使建筑物的年净交换为零，也需要通过公共电网进行电力交换。本文认为，从整个电力供应系统的角度来看，这种不匹配既可以是正面的，也可以是负面的。而且，通常既有消除单个建筑物之间不匹配的要素，又有规模经济的要素。由于这三个原因，不匹配应在汇总级别而不是每个建筑物的单个级别上处理。相反，本文建议通过增加（或减少）能源生产单元的容量来补偿建筑物的不匹配。基于丹麦西部供电区域的历史数据，本文首次尝试量化失配补偿因子。结果表明，对于具有光伏（PV）的建筑物，此类补偿因子略低于一个补偿因子，对于具有风力涡轮机的建筑物，此类补偿因子略高于一个补偿因子。

著录项

  • 来源
    《Energy and Buildings》 |2011年第7期|p.1646-1654|共9页
  • 作者

    H. Lund; A. Marszal; P. Heiselberg;

  • 作者单位

    Department of Development and Planning, Aalborg University, Fibigerstraede 13, DK-9220, Denmark;

    Department of Civil Engineering, Aalborg University, Sohngaardsholmsvej 57, DK-9000 Aalborg, Denmark;

    Department of Civil Engineering, Aalborg University, Sohngaardsholmsvej 57, DK-9000 Aalborg, Denmark;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    zero energy building; zero emission building; zeb; mismatch; energy system analysis;

    机译：零能耗建筑;零排放建筑;zeb;不匹配;能源系统分析;

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