Size Reduction in Low-Frequency Square-Wave Ballasts for High-Intensity Discharge Lamps Using Soft-Saturation Magnetic Material and Digital Control Techniques

Title Size Reduction in Low-Frequency Square-Wave Ballasts for High-Intensity Discharge Lamps Using Soft-Saturation Magnetic Material and Digital Control Techniques
Publication Type Journal Article
Year of Publication 2013
Authors Schnell, R.W.., R. Zane, and F. J. Azcondo
Journal Power Electronics, IEEE Transactions on
Volume 28
Pagination 1036-1046
ISSN 0885-8993
Keywords acoustic resonance free operation, control system synthesis, device protection, digital control, digital control techniques, discharge lamps, electric current control, electronic ballasts, fast current control loop, feedback, high intensity discharge lamps, high-intensity discharge lamp, Ignition, Impedance, inductor design constraints, inductors, lamp accessories, lamp aging, lamp current, lamp ignition detection, LFSW operation, logic gates, low-frequency square-wave ballasts, nonlinear inductor behavior, nonlinear tank inductance, normal operation modes, optimal control, optimal timing control, PFC output capacitor, phase control, phase-controlled resonant sweep, power 150 W, power control, power factor correction, power factor correction stage, Resonant frequency, resonant ignition, size reduction, slow power control loop, soft magnetic materials, soft-saturation magnetic material, two-loop feedback control, warm-up modes, zero voltage switching, zero-voltage switching, ZVS
DOI 10.1109/TPEL.2012.2202129