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首页> 外文期刊>Energy Conversion & Management >Thermal management of the waste energy of a stand-alone hybrid PV-wind-battery power system in Hong Kong
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Thermal management of the waste energy of a stand-alone hybrid PV-wind-battery power system in Hong Kong

机译：香港独立式混合式光伏-风能-电池电力系统废物能源的热管理

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摘要

This paper firstly investigated the thermal management of wasted energy from a stand-alone hybrid solar-wind-battery power system. The total dump load or waste power can be up to 50% of total system power yield, and therefore waste energy management is urgent with high necessity. A new phase change material (PCM: Ba(OH)(2)center dot 8H(2)O) with high storage capacity is introduced for the thermal management of hybrid power system. Different renewable energy configurations with different battery storage capacities are simulated and investigated. For different scenarios, the ratio of the captured thermal energy from waste energy to total solar/wind power output ranges from 24.45% to 72.48% regarding all system losses. The cases without battery bank are featured by high thermal energy amount/ percentage (waste energy) and high power supply failure. Typical results show that, the total yearly renewable power output is 173,877 kWh with only 51.99% directly for demand load, and 57,672 kWh with 33.17% can be effectively stored in the thermal storage tank as heat, which can supply about 136 people heat demand per year. Compared with the water tank, the PCM thermal storage tank can save much space and land because of its high energy density. Appropriate thermal management of stand-alone hybrid solar-wind-battery power systems is necessary and feasible.
机译：本文首先研究了独立式太阳能-风-电池混合动力系统中浪费能源的热管理。总的转储负荷或废动力可高达系统总发电量的50％，因此，迫切需要进行废能源管理。引入了一种具有高存储容量的新型相变材料（PCM：Ba（OH）（2）中心点8H（2）O），用于混合动力系统的热管理。模拟和研究了具有不同电池存储容量的不同可再生能源配置。对于不同的情况，就所有系统损耗而言，从废能中捕获的热能与总的太阳能/风能输出之比在24.45％至72.48％之间。没有电池组的情况的特征在于高的热能量/百分比（废能）和高的电源故障率。典型结果表明，年可再生能源总输出量为173877千瓦时，仅直接满足需求负荷的需求，而57,672千瓦时，占33.17％的热量可以有效地存储在蓄热罐中，每户可满足136人的热量需求。年。与水箱相比，PCM储热箱因其高能量密度而可以节省很多空间和空间。独立的混合式太阳能风能电池电源系统的适当热管理是必要且可行的。

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  • 来源
    《Energy Conversion & Management》 |2020年第1期|112261.1-112261.10|共10页
  • 作者

    Yan J.; Lu Lin; Ma Tao; Zhou Yuekuan; Zhao C. Y.;

  • 作者单位

    Hong Kong Polytech Univ Dept Bldg Serv Engn Renewable Energy Res Grp Hong Kong Peoples R China|Shanghai Jiao Tong Univ Inst Engn Thermophys Shanghai Peoples R China;

    Hong Kong Polytech Univ Dept Bldg Serv Engn Renewable Energy Res Grp Hong Kong Peoples R China;

    Shanghai Jiao Tong Univ Sch Mech Engn Shanghai Peoples R China;

    Shanghai Jiao Tong Univ Inst Engn Thermophys Shanghai Peoples R China;

  • 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

    Solar-wind-battery system; Dump load; Thermal energy; Heat; Energy losses;

    机译：太阳能风电池系统;卸载负荷;热能;热;能量损失;

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