Simple Form of Compact Thermal Model of the Large LED Modules

Krzysztof Górecki () and Przemysław Ptak
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Krzysztof Górecki: Department of Marine Electronics, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, Poland
Przemysław Ptak: Department of Marine Electronics, Gdynia Maritime University, Morska 81-87, 81-225 Gdynia, Poland

Energies, 2023, vol. 16, issue 21, 1-14

Abstract: The paper proposes a simple compact thermal model of a large LED module. This model takes into account self-heating in each of the LEDs contained in such a module and mutual thermal couplings between each pair of these LEDs. It also allows determining the waveforms of the junction temperature of each of the LEDs. In each moment of time, the temperature distributions in the LED module in the form of values of the junction temperature of all the diodes contained in this module are calculated using the proposed model. The developed thermal model has the form of an electric network and it contains a much smaller number of components than thermal models given in the literature. The form of the developed model and the method of determining the values of its parameters as well as the results of calculations and measurements confirming the practical usefulness of this model are presented.

Keywords: LED modules; compact thermal models; computations; measurements (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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