Experimental approach to designing multi-paralleled EEFLs lighting system in series-resonant mode

A series parallel-loaded resonant inverter (SPLRI) providing complementary AC high-voltage sinusoidal waves for driving group multiple EEFLs (multi-EEFLs) is proposed. The balance of the AC wall discharge inversion process in multi-EEFLs is achieved with the likely AC drives so as to enhance luminou...

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Bibliographic Details
Published inIECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society pp. 2565 - 2570
Main Authors Guan-Chyun Hsieh, Jhih-Ting Cheng, Cheng-Yuan Tsai
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2010
Subjects
Capacitance
Discharges
EEFL
Integrated circuit modeling
Inverters
Resonant frequency
series-resonant inverter
wall charge
Windings
Zero voltage switching
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Summary:A series parallel-loaded resonant inverter (SPLRI) providing complementary AC high-voltage sinusoidal waves for driving group multiple EEFLs (multi-EEFLs) is proposed. The balance of the AC wall discharge inversion process in multi-EEFLs is achieved with the likely AC drives so as to enhance luminous output. An experimental to design approach is conducted to find the dynamic parameters of the multi-EEFL for matching the characteristics of the SPLRI and stabilizing the lamp current of EEFL even in dimming. A lighting template of group-paralleled EEFLs is employed in the test setup, whose experiment shows high power efficiency up to 90% and high luminous output of 25 kcd/m 2 at output power of 220W.
ISBN:9781424452255
1424452252
ISSN:1553-572X
DOI:10.1109/IECON.2010.5675148