Master-slave half-bridge DC-to-AC switchmode power converter

Details Master-slave half-bridge DC-to-AC switchmode power converter Master-slave half-bridge DC-to-AC switchmode power converter

1992-03-17

1994-05-17

Pascal, Robert J.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

315DIG7, 315DIG4, 315291, 315307, 315294, 315324, 315226, 331113A, 363 72, 363132, H05B 3702

Patent

active

053131436

ABSTRACT:
The invention pertains to a switchmode DC to AC converter, and particularly to a master-slave half-bridge converter. The slave half-bridge power converter is controlled by a lower power self-oscillating half-bridge master converter. More particularly, the invention pertains to a high frequency ballast for gas discharge devices, especially, for high pressure sodium lamps, completed by a high voltage ignition apparatus. A pair of self-saturated electronically switched transformers controlled by a low power current source provide a power controlled and frequency modulated high frequency ballast for the gas discharge devices.

REFERENCES:
patent: 5097183 (1992-03-01), Vila-Masot et al.

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