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首页> 外文期刊>Energy Policy >Towards a sustainable global energy supply infrastructure: Net energy balance and density considerations
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Towards a sustainable global energy supply infrastructure: Net energy balance and density considerations

机译：建立可持续的全球能源供应基础设施：净能源平衡和密度考虑

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摘要

This paper employs a framework of dynamic energy analysis to model the growth potential of alternative electricity supply infrastructures as constrained by innate physical energy balance and dynamic response limits. Coal-fired generation meets the criteria of longevity (abundance of energy source) and scalability (ability to expand to the multi-terawatt level) which are critical for a sustainable energy supply chain, but carries a very heavy carbon footprint. Renewables and nuclear power, on the other hand, meet both the longevity and environmental friendliness criteria. However, due to their substantially different energy densities and load factors, they vary in terms of their ability to deliver net excess energy and attain the scale needed for meeting the huge global energy demand. The low power density of renewable energy extraction and the intermittency of renewable flows limit their ability to achieve high rates of indigenous infrastructure growth. A significant global nuclear power deployment, on the other hand, could engender serious risks related to proliferation, safety, and waste disposal. Unlike renewable sources of energy, nuclear power is an unforgiving technology because human lapses and errors can have ecological and social impacts that are catastrophic and irreversible. Thus, the transition to a low carbon economy is likely to prove much more challenging than early optimists have claimed.
机译：本文采用动态能量分析框架来建模受先天物理能量平衡和动态响应限制约束的替代电力供应基础设施的增长潜力。燃煤发电符合寿命（能源丰富）和可扩展性（可扩展至数兆瓦级别的能力）的标准，这对于可持续的能源供应链至关重要，但碳足迹却非常大。另一方面，可再生能源和核电既符合寿命标准，又符合环境友好标准。但是，由于它们的能源密度和负载因子大不相同，因此它们在输送净过剩能量和达到满足巨大全球能源需求所需规模方面的能力各不相同。可再生能源提取的低功率密度和可再生流量的间歇性限制了它们实现本国基础设施高增长率的能力。另一方面，大规模的全球核电部署可能会带来与扩散，安全和废物处置相关的严重风险。与可再生能源不同，核电是一项不可饶恕的技术，因为人类的失误和失​​误会造成灾难性和不可逆转的生态和社会影响。因此，向低碳经济的转型可能比早期的乐观主义者所宣称的更具挑战性。

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  • 来源
    《Energy Policy》 |2011年第9期|p.5322-5334|共13页
  • 作者

    Ioannis N. Kessides; David C. Wade;

  • 作者单位

    The World Bank,1818 H Street, N.W., Washington, DC, USA;

    Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL,USA;

  • 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

    energy sustainability; renewables; nuclear power;

    机译：能源可持续性;可再生能源;核电;

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