Performance analysis of a solar thermoelectric generator(STEG) system with spray cooling

Mohd Zaimi, Muhammad Zaim (2020) Performance analysis of a solar thermoelectric generator(STEG) system with spray cooling. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Investors worldwide have paid greater attention to this emerging industry in recent years. In many cases, this has translated into rapid renewable energy commercialization and considerable industry expansion. Thermoelectric Generators (TEGs) provide a very special opportunity for the society to overcome world energy consumption issue by providing clean and renewable energy to human. This research proposes the utilization of spray cooling as a good method to be applied in involving the STEG systems. Plus, a TEG design with a spray cooling system are developed to power up a mobile phone charger and an algorithm designed for the temperature sensor connected with microcontroller to detect the temperature of the cold side of TEGs. Eight TEGs are used to build the prototype, with series of electrical and thermal configurations. LTC3105EDD boost converter is used to boost the output of TEGs. A 100F supercapacitor is used to store harvested energy. The spray cooling will start to spray when the temperature of the cold side reached a certain temperature. Finally, the efficiency achieved is 11.45%.

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