Analysis of tapped-inductor inverters as low-power fluorescent lamp ballasts supplied from a very low input voltage

摘要

In this paper several new one-switch nonresonant topologies able to implement fluorescent lamp ballasts are presented and analyzed. These topologies can be used as ballasts for compact fluorescent lamps (CFLs) supplied from a low DC input voltage. A new design methodology is used, centering the design goal to obtain constant power in the lamp. Design methodology is applied to several inverters including a tapped-inductor in the power topology.