Resonant voltage-multiplication, current-regulating and ignition

Details Resonant voltage-multiplication, current-regulating and ignition Resonant voltage-multiplication, current-regulating and ignition

1995-09-19

1998-01-13

Pascal, Robert

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Inductance in the condenser circuit

315209R, 315307, 315DIG4, 315DIG5, H05B 3700

Patent

active

057083304

ABSTRACT:
A voltage-boosting and current-regulating circuit delivers energy from a high voltage resonant circuit source to a fluorescent lamp. A controllable switch is connected in series with the lamp cathodes and is triggered into conduction during a predetermined conductive time interval within each half-cycle of current conducted through the plasma from the resonant circuit. A charging current which flows during the conductive time interval stores energy in the resonant circuit which is subsequently released as a boosted voltage and as increased current flow through the plasma. The boosted voltage allows higher efficiency illumination lamps to the used, and regulation of the conductive time interval achieves the optimal current conduction through the lamp.

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