Trigger and control means for bridge inverter

Details Trigger and control means for bridge inverter Trigger and control means for bridge inverter

1987-04-21

1990-03-13

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including an a.c.-d.c.-a.c. converter

363 98, H02M 5458

Patent

active

049087541

ABSTRACT:
In an inverter-type power supply, a self-oscillating full-bridge inverter is powered by unfiltered full-wave-rectified 120 Volt/60 Hz power line voltage and controllably triggered into oscillation each half-cycle of the power line voltage by way of simultaneously triggering two of the bridge's four transistors into conduction simultaneously. This is accomplished by way of discharging a charged-up capacitor by way of a Diac through a special trigger winding on each of two saturable current feedback transformers; each of which controls a pair of the bridge transistors.

REFERENCES:
patent: 3973165 (1976-08-01), Hester
patent: 4002875 (1977-01-01), Kiuchi et al.
patent: 4652797 (1987-03-01), Nilssen
patent: 4672159 (1987-06-01), Nilssen
patent: 4680506 (1987-07-01), Nilssen

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