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Pyroelectric generators (PEGs) present a potential alternative to thermoelectric generators (TEGs), to generate electric power from thermal fields. Pyroelectric generators have a predicted upper limit of 50 % of the Carnot's efficiency, which exceeds that of TEGs. However, PEGs require an oscillating thermal field or thermal vibrations. Such vibrations are rare in technical systems, hindering their...
This paper seeks to demonstrate the performance of a thermoelectric energy recovery module (TERM). The TERM aims to convert the waste heat from power amplifier (PA) transistors into the useful power. The TERM contains a thermoelectric generator (TEG), a heat spreader, and a heat sink. A first order prototype of the TERM is generated and used as a test vehicle. Experimental setup mainly consists of...
The paper presents a comparative analysis of three different electrothermal models of a thermoelectric generator (TEG) implemented in SPICE. It starts from a model that is based on the constant parameters theory. Next, the one that takes into account a mean temperature at the both sides of the thermogenerator is described. Finally, an improved model is shown that calculates the values of parameters...
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