Power feedback power factor correction high frequency inverter
AssigneeYih-Fang Chiou
InventorsJames Chien Fan Chao, Kanghong Zhang, Yih-Fang Chiou
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AssigneeYih-Fang Chiou
InventorsJames Chien Fan Chao, Kanghong Zhang, Yih-Fang Chiou
Estimating the term…
An electronic high frequency supply, such as lamp ballast, includes a double rectifier, two storage Capacitors in series, and an isolating inductor between rectifier and an AC input. Each storage capacitor is charged to a voltage greater than peak of the AC input. An inverter is connected to the storage capacitors, and has a high frequency inductive load circuit connected between inverter output and a junction between the isolating inductor and double rectifier. A capacitor, connected from the junction to the junction of two storage capacitors, forms a high frequency resonance circuit with the inductive load circuit. Current is drawn from the input AC only as a series of pulses at the inverter frequency. The isolating inductor filters out the high frequency part of the current pulse and makes the input current near sine wave.
An electronic power supply for a high frequency load, comprising:
Dependencies are inferred from the claim text.