A new single-stage high-power-factor electronic ballast based on a flyback power converter
is presented in this paper. The ballast is able to supply a fluorescent lamp, assuring a high …

Based on a comprehensive comparison of fluorescent lamp parameters of major lamp
manufacturers, this paper presents an automatic lamp power detection method that can …

This paper introduces technologies of the dimmable electronic ballast for metal-halide lamps
(MHLs). The topology structure of the ballast includes AC/DC converter, DC/DC converter …

This paper presents the analysis, design, and experimentation of a closed-loop metal halide
(MH) lamp ballast, which supplies the lamp with a low-frequency square waveform. First, a …

The design and analysis of a new single-switch soft-switching class E electronic ballast with
high input power factor is presented. Design equations for the optimum operating condition …

This paper presents a constant power control circuit for a three-stage high-intensity
discharge (HID) electronic ballast. The three-stage electronic ballast is composed of a boost …

This paper presents a feedforward fluorescent lamp power regulation method for self-
oscillating electronic ballast for different line voltages. The proposed method consists in …

This paper proposes a phase-locked loop (PLL) control scheme for the electronic ballast
with a current-equalization network. The PLL control scheme involves detecting the phase …

This paper introduces a new low cost, high power factor electronic ballast for compact
fluorescent lamps. The proposed ballast integrates power factor correction and half-bridge …

This paper presents an efficient, small-sized, and cost-effective single-switch power-factor-
correction (PFC) scheme for high-frequency electronic ballasts. The circuit topology …