Single-Stage High-Power-Factor Electronic Ballast with a Symmetrical Class-DE Resonant Rectifier

@inproceedings{Ekkaravarodome2012SingleStageHE,
  title={Single-Stage High-Power-Factor Electronic Ballast with a Symmetrical Class-DE Resonant Rectifier},
  author={Chainarin Ekkaravarodome and Kamon Jirasereeamornkul},
  year={2012}
}
A novel, single-stage, high-power-factor, electronic ballast with a symmetrical class-DE low-dυ/dt rectifier as a PFC is proposed in this paper. The proposed PFC was achieved by using a bridge rectifier that serves as a symmetrical class-DE resonant rectifier. The two active power switches were operated under the ZVS condition. By using this topology, the conduction angle of the bridge rectifier diode current was increased, resulting in a low-line current harmonic, a power factor near unity… CONTINUE READING

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