Experimental Study on Solar Parabolic Dish Thermoelectric Generator

M. Eswaramoorthy, S. Shanmugam, A. Veerappan
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引用次数: 23

Abstract

The applications of solar dish and thermoelectric generator have the research potential as green and clean energy generation from solar thermal route. In this paper, an attempt has been made to conduct an experimental study on small scale solar parabolic dish thermoelectric generator. The solar parabolic dish collector is fabricated using an unused satellite dish antenna fitted with polished aluminum sheet as concentrator surface. Thermoelectric generator consists of commercial thermoelectric modules embedded between the receiver plate and water cooled heat sink which is placed on the focal plane of manual tracking parabolic dish collector. The concentrated solar radiation and water cooled heat sink is the driving potential to generate electricity, various operating parameters like receiver plate temperature, power output and conversion efficiency with respect to solar radiation are studied. It is found that the receiver plate temperature is significantly affecting the power output. Also, in this study it is identified to reuse the unused dish antenna for solar collector and coupled with commercial thermoelectric module is simple fabrication method easy to adopt in the rural techno craft for small scale power generator to meet the isolated energy demands.
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太阳能抛物盘热电发电机的实验研究
太阳能电池板和热电发电机作为太阳能热途径的绿色清洁能源,具有研究潜力。本文对小型太阳能抛物盘热电发电机进行了实验研究。太阳能抛物面碟形集热器是用一个未使用的卫星碟形天线制成的,其表面装有抛光铝板作为聚光器。热电发生器由商用热电模块嵌入在接收板和水冷式散热器之间,水冷式散热器放置在手动跟踪抛物面式集热器的焦平面上。集中的太阳辐射和水冷式散热器是发电的驱动电位,研究了接收板温度、功率输出、转换效率等各工作参数对太阳辐射的影响。发现接收板温度对功率输出有显著影响。此外,本研究确定了将未使用的碟形天线用于太阳能集热器,并与商用热电模块相结合,是一种易于在农村技术工艺中采用的小型发电机的简单制造方法,以满足隔离的能源需求。
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