Title :
Dimmable Control of Digital Electronic Ballast for HPS Lamps
Author :
Wang, Maojun ; Xu, Dianguo
Author_Institution :
Dept. of Electr. Eng., Harbin Inst. of Technol.
Abstract :
A novel micro controller-based dimmable electronic ballast for HPS lamps is presented in this paper. Power control method is based on the regulation of the average input current of the inverter by varying the switching frequency of the half bridge. Driver signal with low frequency modulation generated from MCU is used to eliminate unstable arc during dimming state. Theoretical analysis is discussed and experimental results based on a 600W HPS lamp show the feasibility of the proposed ballast
Keywords :
microcontrollers; power system control; regulation; 600 W; HPS lamp; current regulation; digital electronic ballast; dimmable control; driver signal; microcontroller; power control; switching frequency; Bridges; Digital control; Driver circuits; Electronic ballasts; Frequency modulation; Inverters; Lamps; Power control; Signal generators; Switching frequency; HPS lamps; electronic ballast; lighting; micro-controller;
Conference_Titel :
Intelligent Control and Automation, 2006. WCICA 2006. The Sixth World Congress on
Conference_Location :
Dalian
Print_ISBN :
1-4244-0332-4
DOI :
10.1109/WCICA.2006.1713501
