Title :
A current source type charge pump high power factor electronic ballast combined with buck converter
Author :
Maehara, Minoru ; Sato, Katsumi ; Nishimura, Hiroshi
Author_Institution :
Matsushita Electr. Works Ltd., Osaka, Japan
Abstract :
The current source charge pump power factor correction (CS-CPPFC) electronic ballast combined with buck converter is proposed in the paper. The combination is effective to reduce the voltage stress at the pre-heat and start-up operation and also to improve the crest factor of the lamp current. A proposed electronic ballast was implemented for Vin=100 V and FHF 32×2. It can obtain DF=1.66, THD=4.7%, and maximum DC voltage is reduced under 180 V
Keywords :
DC-DC power convertors; fluorescent lamps; invertors; lamp accessories; power factor correction; 100 V; buck converter; crest factor improvement; current source charge pump; electronic ballast; fluorescent lamps; high power factor electronic ballast; lamp current; maximum DC voltage reduction; power factor correction; pre-heat operation; start-up operation; voltage stress reduction; Buck converters; Charge pumps; Circuits; Electronic ballasts; Inverters; Power factor correction; Reactive power; Steady-state; Stress; Voltage;
Conference_Titel :
Power Electronics Specialists Conference, 1998. PESC 98 Record. 29th Annual IEEE
Conference_Location :
Fukuoka
Print_ISBN :
0-7803-4489-8
DOI :
10.1109/PESC.1998.703457
