Performance Analysis of Thermoelectric Cooler — Thermoelectric Generator System for Heat Recovery Applications

2022 IEEE 28th International Symposium for Design and Technology in Electronic Packaging (SIITME) Pub Date : 2022-10-26 DOI:10.1109/SIITME56728.2022.9987959

V. Ionescu, A. Neagu

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引用次数: 1

Abstract

This study investigates the thermal and electrical behaviour of an energetic system composed of a thermoelectric cooler (TEC) module, used as a heat source, and a thermoelectric generator (TEG) module. TEG device worked in this configuration as an energy conversion module for heat recovery and the use of heat released by TEC during its cooling. Under a temperature gradient between its external plates, the TEG module converts thermal energy into electrical energy. TEC-TEG system is cooled in two ways: by natural convection cooling with air circulation under free convection through aluminium heat sink fins and forced convection cooling with a system containing an externally powered cooler in direct contact with the heat sink. The mode of operation for the TEC-TEG system was tested under a gradually increased load resistance, from 3 Ω to 80 Ω. The main critical parameters were investigated and discussed: temperatures of thermoelectric modules, the temperature difference between TEG plates, output voltage, current, power and efficiency of thermoelectric conversion.

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热回收用热电冷却器-热电发生器系统的性能分析

本研究研究了由热电冷却器(TEC)模块(用作热源)和热电发生器(TEG)模块组成的高能系统的热电行为。TEG装置在这种配置中作为能量转换模块工作，用于热回收和使用TEC在冷却过程中释放的热量。在其外部板之间的温度梯度下，TEG模块将热能转换为电能。TEC-TEG系统以两种方式冷却:通过铝散热器鳍片自由对流下的空气循环自然对流冷却，以及与散热器直接接触的外部动力冷却器的系统强制对流冷却。TEC-TEG系统的运行模式在逐渐增加的负载阻力下进行了测试，从3 Ω到80 Ω。研究并讨论了热电模块的温度、热电转换板间温差、输出电压、电流、功率和热电转换效率等关键参数。

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2022 IEEE 28th International Symposium for Design and Technology in Electronic Packaging (SIITME)

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