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In-situ thermoelectric temperature monitoring and 'Closed-loop integrated control' system for concentrator photovoltaic-thermoelectric hybrid receivers

Rolley, Matthew H., Sweet, Tracy K. N. and Min, Gao 2017. In-situ thermoelectric temperature monitoring and 'Closed-loop integrated control' system for concentrator photovoltaic-thermoelectric hybrid receivers. Presented at: 13th International Conference on Concentrator Photovoltaic Systems (CPV-13), Ottawa, Canada, 1–3 May 2017. Published in: Siefer, Gerald, Hinzer, Karin and Rey-Stolle, Ignacio eds. AIP Conference Proceedings. Melville, NY: AIP Publishing, p. 100001. 10.1063/1.5001452

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Abstract

This work demonstrates a new technique that capitalizes on the inherent flexibility of the thermoelectric module to provide a multifunctional platform, and exhibits a unique advantage only available within CPV-TE hybrid architectures. This system is the first to use the thermoelectric itself for hot-side temperature feedback to a PID control system, needing no additional thermocouple or thermistor to be attached to the cell - eliminating shading, and complex mechanical designs for mounting. Temperature measurement accuracy and thermoelectric active cooling functionality is preserved. Dynamic “per-cell” condition monitoring and protection is feasible using this technique, with direct cell-specific temperature measurement accurate to 1°C demonstrated over the entire experimental range. The extrapolation accuracy potential of the technique was also evaluated.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Publisher: AIP Publishing
ISBN: 978-0-7354-1561-4
ISSN: 0094-243X
Last Modified: 19 Oct 2019 03:09
URI: http://orca.cf.ac.uk/id/eprint/104472

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