Title :
A novel low-frequency square wave electronic ballast for low-wattage HID lamps
Author :
Zhao, Jun ; Shen, Miaosen ; Chen, Min ; Qian, Zhaoming
Author_Institution :
Coll. of Electr. Eng., Zhejiang Univ., Hangzhou, China
Abstract :
A novel electronic ballast for the low-wattage HID lamps with less components is proposed. The proposed ballast provides low-frequency square wave current to the lamp to avoid acoustic resonance. A prototype with the efficiency of 92% for a 70 W MH lamp verifies its feasibility.
Keywords :
lamp accessories; metal vapour lamps; power convertors; 70 W; 92 percent; acoustic resonance avoidance; boost converter; buck converter; efficiency; low-frequency square wave current; low-frequency square wave electronic ballast; low-wattage HID lamps; metal halide lamp; Buck converters; Electronic ballasts; Equations; High intensity discharge lamps; Inductors; Pulse width modulation inverters; Resonance; Switches; Switching circuits; Topology;
Conference_Titel :
Industry Applications Conference, 2003. 38th IAS Annual Meeting. Conference Record of the
Print_ISBN :
0-7803-7883-0
DOI :
10.1109/IAS.2003.1257520
