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Setting the preheating process of electronic ballasts for hot-cathode fluorescent lamps, considering the Rh/Rc ratio
(2006-12-01)
This paper presents a new model for the representation of the electrodes filaments of fluorescent lamps, during their preheating, and an analysis capable to guide the design of the preheating process in electronic ballasts. ...
A high efficiency HPF-ZCS-PWM Sepic for electronic ballast with multiple tubular fluorescent lamps
(2002-01-01)
This paper presents a high efficiency Sepic rectifier for an electronic ballast application with multiple fluorescent lamps. The proposed Sepic rectifier is based on a Zero-Current-Switching (ZCS) Pulse-Width-Modulated ...
A high efficiency HPF-ZCS-PWM Sepic for electronic ballast with multiple tubular fluorescent lamps
(2002-01-01)
This paper presents a high efficiency Sepic rectifier for an electronic ballast application with multiple fluorescent lamps. The proposed Sepic rectifier is based on a Zero-Current-Switching (ZCS) Pulse-Width-Modulated ...
Prediction of voltage over electrodes' filaments of fluorescent lamps during dimming operation
(2005-12-01)
This paper presents an investigation concerning the use of fundamental approximation analysis and a new lamp model for the prediction of the voltage over electrodes' filaments during dimming operation. The lamp model ...
Setting the preheating process of electronic ballasts for hot-cathode fluorescent lamps, considering the Rh/Rc ratio
(2006-12-01)
This paper presents a new model for the representation of the electrodes filaments of fluorescent lamps, during their preheating, and an analysis capable to guide the design of the preheating process in electronic ballasts. ...
Setting the preheating and steady-state operation of electronic ballasts, considering electrodes of hot-cathode fluorescent lamps
(Institute of Electrical and Electronics Engineers (IEEE), 2007-05-01)
This paper presents a new methodology for the adjustment of the preheating process and steady-state operation of electronic ballasts intended for hot-cathode fluorescent lamps. The classical series-resonant parallel-loaded ...
Setting the preheating and steady-state operation of electronic ballasts, considering electrodes of hot-cathode fluorescent lamps
(Institute of Electrical and Electronics Engineers (IEEE), 2007-05-01)
This paper presents a new methodology for the adjustment of the preheating process and steady-state operation of electronic ballasts intended for hot-cathode fluorescent lamps. The classical series-resonant parallel-loaded ...
Novel high-power-factor isolated electronic ballast for multiple tubular fluorescent lamps
(2001-01-01)
This paper presents a novel isolated electronic ballast for multiple fluorescent lamps, featuring high power-factor, and high efficiency. Two stages compose this new electronic ballast, namely, a new voltage step-down ...