A 2.4587 square meter effective area cylindrical parabolic solar concentrator was fabricated. The trough concentrator is a 4-ft by 8-ft metal sheet with solar mirror film adhered on it and it is laid on a frame with steel tubes bent in a shape of a parabola. On the focal region of the parabolic trough is the 1.22-m by 0.10-m absorber plate made of copper and coated flat black. This plate served as high temperature reservoir of the eight equally spaced TEC1-12710T125 thermoelectric modules. On the cold side of the modules is a 2.5-in. by 1-in. rectangular aluminum tube with coolant flowing inside. The coolant loop included a direct contact cooling tower which maintained the module cold side assembly inlet temperature of about 28°C. Collector temperature was also kept below the 125°C module maximum operating temperature by controlling the effective area. This was accomplished by adjusting the reflector covering. Using a dummy load and with 8 modules in series, tests results indicated current readings up to 179.4 mA with a voltage of 10.6 VDC and 27% of reflector area or voltage reading up to 12.7 VDC with a current of 165 mA. A steady voltage of 12 VDC was achieved with the use of a voltage regulator. A voltage above 12 VDC will be required to charge a storage battery. Overall results showed the potential of thermoelectric generator (TEG) in combination with solar energy in power generation.
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28 March 2018
ENGINEERING INTERNATIONAL CONFERENCE (EIC2017): Proceedings of the 6th International Conference on Education, Concept, and Application of Green Technology
11 October 2017
Semarang, Indonesia
Research Article|
March 28 2018
Field test of thermoelectric generator using parabolic trough solar concentrator for power generation
Rommel R. Viña;
Rommel R. Viña
a)
MSU-Iligan Institute of Technology
, Bonifacio Avenue, Iligan City, Philippines
a)corresponding author: [email protected]
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Feliciano B. Alagao
Feliciano B. Alagao
b)
MSU-Iligan Institute of Technology
, Bonifacio Avenue, Iligan City, Philippines
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a)corresponding author: [email protected]
AIP Conf. Proc. 1941, 020046 (2018)
Citation
Rommel R. Viña, Feliciano B. Alagao; Field test of thermoelectric generator using parabolic trough solar concentrator for power generation. AIP Conf. Proc. 28 March 2018; 1941 (1): 020046. https://doi.org/10.1063/1.5028104
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