Title :
Two-stage electronic ballast for HID lamp with buck PFC
Author :
Liang, T.J. ; Liao, H.K. ; Huang, C.M. ; Liang, H.H. ; Cheng, Y.M. ; Cheng, C.A. ; Chen, J.F.
Author_Institution :
Dept. of Electr. Eng., Nat. Cheng-Kung Univ., Tainan, Taiwan
Abstract :
This paper presents a novel two-stage electronic ballast for metal-halide (MH) lamps. The first stage is a single-switch buck and buck-boost integrated converter. The post stage is a half-bridge inverter driving the MH lamps with low-frequency square-wave current. The operating principle of the proposed topology is discussed. Also, constant power control is realized using the methodology employed for peak inductor current control. Finally, a laboratory prototype of a 70 W electronic ballast for MH lamp operated with 200~264V input voltage is implemented to verify the feasibility.
Keywords :
electric current control; lamp accessories; metal vapour lamps; power control; power convertors; power factor correction; HID lamp; MH lamps; buck PFC; buck-boost integrated converter; constant power control; half-bridge inverter; low-frequency square-wave current; metal-halide lamps; peak inductor current control; power 70 W; single-switch buck converter; two-stage electronic ballast; voltage 200 V to 264 V; Current measurement; Electronic ballasts; Fluorescent lamps; High intensity discharge lamps; Inductors; Inverters; Voltage measurement;
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2011 IEEE
Conference_Location :
Phoenix, AZ
Print_ISBN :
978-1-4577-0542-7
DOI :
10.1109/ECCE.2011.6063907
