abbr. SJ GMU
ISSN 2657-5841 (printed)
ISSN 2657-6988 (online)
DOI: 10.26408
Modelowanie charakterystyk wybranych diod LED mocy z uwzględnieniem zjawisk cieplnych
Modelling characteristics of the selected power LEDs with thermal phenomena taken into account
Abstract:
In the paper the manner of the modelling of power LED with the use of the SPICE software is presented. The new electro-thermal-optical model of power LED diodes taking into account both electric phenomena, self-heating and optical phenomena in selected LEDs is proposed. The correctness of the model is verified experimentally both in the steady state and in dynamic operation of LED XML, XPE and MCE type from CREE Company. The good agreement between results of calculations and measurement is obtained.
Streszczenie:
W pracy rozważany jest problem modelowania diod LED mocy przy wykorzystaniu programu Spice. Przedstawiono autorski elektro-termiczno-optyczny model diod LED, uwzględniający zjawiska elektryczne w poszczególnych diodach LED, samonagrzewanie oraz zjawiska optyczne. Poprawność modelu zweryfikowano doświadczalnie zarówno w warunkach pracy statycznej, jak i dynamicznej dla diod LED firmy CREE typu XML, XPE oraz MCE. Uzyskano dobrą zgodność między wynikami pomiarów i obliczeń.
Słowa kluczowe:
diody LED mocy
zjawiska termiczne
Issue:
Pages:
107
116
Download full text in pdf:
References:
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