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Parametric characteristics of a solar thermophotovoltaic system at the maximum efficiency

机译：最高效率的太阳能热光电系统的参数特性

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摘要

A model of the solar thermophotovoltaic system (STPVS) consisting of an optical concentrator, a thermal absorber, an emitter, and a photovoltaic (PV) cell is proposed, where the far-field thermal emission between the emitter and the PV cell, the radiation losses from the absorber and emitter to the environment, the reflected loss from the absorber, and the finite-rate heat exchange between the PV cell and the environment are taken into account. Analytical expressions for the power output of and overall efficiency of the STPVS are derived. By solving thermal equilibrium equations, the operating temperatures of the emitter and PV cell are determined and the maximum efficiency of the system is calculated numerically for given values of the output voltage of the PV cell and the ratio of the front surface area of the absorber to that of the emitter. For different bandgaps, the maximum efficiencies of the system are calculated and the corresponding optimum values of several operating parameters are obtained. The effects of the concentrator factor on the optimum performance of the system are also discussed. (C) 2016 Elsevier Ltd. All rights reserved.
机译：提出了由聚光器，吸热器，发射器和光伏（PV）电池组成的太阳热光伏系统（STPVS）模型，其中发射器和PV电池之间的远场热发射是辐射考虑了吸收器和发射器对环境的损耗，吸收器的反射损耗以及PV电池与环境之间的有限速率热交换。导出了STPVS的功率输出和整体效率的解析表达式。通过求解热平衡方程，可以确定给定的发射极和PV电池的工作温度，并针对给定的PV电池输出电压值和吸收器的前表面积与吸收率之比，以数值方式计算系统的最大效率。发射器的。对于不同的带隙，计算出系统的最大效率，并获得多个操作参数的相应最佳值。还讨论了集中因素对系统最佳性能的影响。 （C）2016 Elsevier Ltd.保留所有权利。

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  • 来源
    《Energy Conversion & Management》 |2016年第10期|205-209|共5页
  • 作者

    Liao Tianjun; Chen Xiaohang; Yang Zhimin; Lin Bihong; Chen Jincan;

  • 作者单位

    Xiamen Univ, Fujian Key Lab Semicond & Applicat, Collaborat Innovat Ctr Optoelect Semicond & Effic, Xiamen 361005, Peoples R China|Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China;

    Xiamen Univ, Fujian Key Lab Semicond & Applicat, Collaborat Innovat Ctr Optoelect Semicond & Effic, Xiamen 361005, Peoples R China|Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China;

    Xiamen Univ, Fujian Key Lab Semicond & Applicat, Collaborat Innovat Ctr Optoelect Semicond & Effic, Xiamen 361005, Peoples R China|Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China;

    Huaqiao Univ, Coll Informat Sci & Engn, Xiamen 361021, Peoples R China;

    Xiamen Univ, Fujian Key Lab Semicond & Applicat, Collaborat Innovat Ctr Optoelect Semicond & Effic, Xiamen 361005, Peoples R China|Xiamen Univ, Dept Phys, Xiamen 361005, 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

    Thermophotovoltaic cell; Irreversible loss; Maximum efficiency; Parametric optimization;

    机译：热光电电池;不可思议的损耗;最大效率;参数优化;

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