Line current filter for less than 10% total harmonic distortion

Details Line current filter for less than 10% total harmonic distortion Line current filter for less than 10% total harmonic distortion

1996-01-22

1997-12-30

Pascal, Robert

Electric lamp and discharge devices: systems

Current and/or voltage regulation

315209R, 333175, H02M 112

Patent

active

057034389

ABSTRACT:
A line current filter for less than 10% total harmonic distortion includes an isolation transformer having two mutually coupled coils connected to an AC power source and a voltage rectifier. A shunt circuit is connected in parallel to one of the mutually coupled coils. The shunt circuit is comprised of a series connected resistor and capacitor. The shunt circuit may also include a second resistor connected in parallel to the capacitor. A second capacitor is connected across the two mutually coupled coils between the isolation transformer and the DC rectifier.

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