热电发电机(teg)模块。最佳电气配置和性能测定

IF 1.8 Q4 ENERGY & FUELS
AIMS Energy Pub Date : 2022-01-01 DOI:10.3934/energy.2022007
Nganyang Paul Bayendang, M. Kahn, V. Balyan
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引用次数: 4

摘要

可再生能源技术,如太阳能、热能、风能、水能、生物燃料、燃料电池等,由于其环境友好性和能源可持续性,正在成为潮流,并被大规模投入使用。本文的重点是基于热电的替代能源,特别是热电发电机(teg)。从文献综述来看,对于多个teg如何进行最佳电气配置以实现最佳操作的强调较少。鉴于此,我们利用Matlab/Simulink建立了一个独特的理论框架,可以方便地综合运用该框架对热电参数进行模拟,重点确定(任意数量/配置)TEG模块的最佳电阻匹配和性能。本研究的主要发现有:1) TEG内阻的影响,它成比例地导致输出电压下降和功率损失以及效率损失;2)TEG模块可以不以任何方式串联或并联,但在一个设置中,给出与负载电阻匹配的总电阻。因此,teg应该是a)具有相同或近似内阻的相同型号,b) teg总电阻等于负载电阻的配置,因为这样可以确保在源(teg)和电气负载之间传输最大功率,c)最好是对称的电气配置。对称的电气配置确保ⅰ)TEG模块的总输出电阻,无论使用的数量如何,都接近单个TEG的输出电阻,整个TEG模块现在简单地成为一个具有单个TEG等效电阻的大型强大TEG;ⅱ)TEG的功率,电压和电流操作是最佳的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermoelectric Generators (TEGs) modules—Optimum electrical configurations and performance determination
Renewable energy technologies such as solar, thermal, wind, hydro, bio-fuels, fuel cells etc. are becoming trendy and being commissioned in large-scales, due to their environmental friendliness and energy sustainability. This manuscript focuses on alternative energy based-on thermoelectricity, particularly thermoelectric generators (TEGs). From the literature review, there is less emphasis on how multiple TEGs can be best configured electrically for optimum operations. In light of this, Matlab/Simulink were employed to institute a unique theoretical framework, that can easily be comprehensively used to simulate thermoelectricity parameters, with focus to determine TEG modules (of any quantity/configuration) optimal resistance matching and performance. The principal findings of the study are; 1) the effects of TEGs internal resistance, which proportionally causes output voltage drop and power loss as well as efficiency loss and 2) TEG modules may not be connected anyhow in series and or in parallel, but in a setup that gives a total electrical resistance that matches the load electrical resistance. Thus, TEGs should be a) of the same model with the same or approximate internal resistance, b) in a configuration whereby the TEGs total resistance equals the load resistance, as doing so ensures maximum power is transferred between the source (TEGs) and the electrical load and c) preferably be in a symmetrical electrical configuration. A symmetrical electrical configuration ensures ⅰ) the TEG modules total output resistance, irrespective of the quantity used, approximates that of a single TEG, with the overall TEG modules simply becoming now one large powerful TEG having an equivalent resistance of a single TEG and ⅱ) the TEGs power, voltage and current operations are optimal.
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来源期刊
AIMS Energy
AIMS Energy ENERGY & FUELS-
CiteScore
3.80
自引率
11.10%
发文量
34
审稿时长
12 weeks
期刊介绍: AIMS Energy is an international Open Access journal devoted to publishing peer-reviewed, high quality, original papers in the field of Energy technology and science. We publish the following article types: original research articles, reviews, editorials, letters, and conference reports. AIMS Energy welcomes, but not limited to, the papers from the following topics: · Alternative energy · Bioenergy · Biofuel · Energy conversion · Energy conservation · Energy transformation · Future energy development · Green energy · Power harvesting · Renewable energy
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