Title :
Experimental approach to designing multi-paralleled EEFLs lighting system in series-resonant mode
Author :
Hsieh, Guan-Chyun ; Cheng, Jhih-Ting ; Tsai, Cheng-Yuan
Author_Institution :
Dept. of Electr. Eng., Chung Yuan Christian Univ., Chungli, Taiwan
Abstract :
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/m2 at output power of 220W.
Keywords :
fluorescent lamps; resonant invertors; AC high-voltage sinusoidal waves; AC wall discharge inversion process; external electrode fluorescent lamps; multi-paralleled EEFLs lighting system; series parallel-loaded resonant inverter; Capacitance; Discharges; Integrated circuit modeling; Inverters; Resonant frequency; Windings; Zero voltage switching; EEFL; series-resonant inverter; wall charge;
Conference_Titel :
IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society
Conference_Location :
Glendale, AZ
Print_ISBN :
978-1-4244-5225-5
Electronic_ISBN :
1553-572X
DOI :
10.1109/IECON.2010.5675148
