In this paper, a new control method for electronic ballasts based on the use of a variable
inductor is presented. The main goal is to perform the complete control of the electronic …

In addition to their numerous benefits over magnetic ballasts, electronic ballasts can provide
dimming capability. However, there are great difficulties in dimming a fluorescent lamp …

Self-oscillating electronic ballast is one of the simplest and most cost effective ballasts for
driving fluorescent lamps. Disadvantageously, however, the operating frequency of the self …

The bilevel driving technique has realized a 2-D control of the luminosity and emitted color
of white LEDs with duty cycle and forward current levels. Unfortunately, various …

Design considerations for single-stage electronic ballast with a dimming feature are
presented in this paper. When the lamps are dimmed out to a lower light level, the density of …

A new control method for electronic ballasts, based on magnetic regulators is presented.
The proposed method, allows starting and dimming the lamp at constant frequency by …

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 …

The fluorescent lamp lifetime is very dependent of the start-up lamp conditions. The lamp
filament current and temperature during warm-up and at steady-state operation are …

Small size, light weight, high efficacy, longer lifetime and controllable output are the main
advantages of high-frequency electronic ballasts for gas discharge lamps. However, power …

The use of the electrodeless fluorescent lamps has been increasing, because of their
features such as lifetime and lumen efficiency, when compared to conventional fluorescent …