DocumentCode :
180211
Title :
A true parallel lamp operation universal program start dimming ballast platform based on decoupled half-bridge inverter
Author :
Wei Xiong ; Stankovic, Ana V.
Author_Institution :
Product Dev., Universal Lighting Technol., Madison, AL, USA
fYear :
2014
fDate :
5-9 Oct. 2014
Firstpage :
1
Lastpage :
9
Abstract :
In this paper, a novel true parallel lamp operation universal programmed start dimming ballast platform for fluorescent lamps is proposed. The proposed platform is based on a decoupled half-bridge inverter. The proposed platform ensures true parallel lamp operation and maintains constant current through each lamp even when lamps are extremely unbalanced. The proposed platform ensures good preheat and steady state filament heating in dimming by using independent PWM type filament heating control method. The proposed platform can be applied to drive different types of lamps in one design. The proposed platform ensures half-bridge MOSFETs soft-switching all the time. Mathematical analysis of the proposed platform is discussed in the paper. Experimental results are presented to validate the proposed method.
Keywords :
PWM invertors; bridge circuits; electric current control; fluorescent lamps; lamp accessories; lighting control; switching convertors; PWM inverter; decoupled half bridge inverter; filament heating control method; fluorescent lamps; half-bridge MOSFET; parallel lamp operation universal program; soft switching converter; start dimming ballast platform; steady state filament heating; Electronic ballasts; Fluorescent lamps; Heating; Integrated circuits; Inverters; Sensors; Dimming; Fluorescent Lamps; Half-bridge inverter; PWM; Preheat control; Programmed Start Ballast;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Industry Applications Society Annual Meeting, 2014 IEEE
Conference_Location :
Vancouver, BC
Type :
conf
DOI :
10.1109/IAS.2014.6978434
Filename :
6978434
Link To Document :
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