This paper presents the analysis, design, simulation and experimental results of a digital
control strategy applied to an electronic ballast to supply a 70-W high-pressure-sodium …

The analysis, design and implementation of a microcontroller-based electronic ballast to
supply metal halide lamps are presented. The proposed power scheme is based on the …

This paper presents a two-stage low-frequency square-wave electronic ballast for high-
intensity discharge lamps. The ballast consists of a power-factor-correction stage to achieve …

This paper presents the analysis, control strategy and realization of a digital frequency
controller of a two stage ballast for HID Lamps. First, the small signal phasor model of the LC …

This paper presents a digital controller using a novel complex modulation method for the
metal halide lamp ballast. The proposed controller has an ability to prevent acoustic …

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 analysis, design, and implementation of a microcontroller-based electronic ballast to
supply metal halide (MH) lamps are presented. The proposed topology is based on the …

This paper presents a digital controlled electronic ballast for the metal halide lamp. The
proposed ballast operates with the modulated driving frequency range of 20 kHz to 100 kHz …

High intensity discharge lamps are typically operated at low frequency to avoid damage from
acoustic resonance. Accordingly, an electronic ballast normally comprises a buck converter …

This paper proposes a two-stage electronic ballast used to supply automotive high-intensity-
discharge (HID) lamps with a digitally constant lamp-power control scheme. The ballast is …