Series resonant inverter with lossless snubber-resetting compone

Details Series resonant inverter with lossless snubber-resetting compone Series resonant inverter with lossless snubber-resetting compone

1988-12-23

1989-10-24

Beha, Jr., William H.

Electric power conversion systems

Current conversion

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

363 56, 363132, H02M 3337, H02M 75387

Patent

active

048766356

ABSTRACT:
A circuit for "resetting" snubbers in a series resonant bridge inverter maintains lossless snubber action during light-load and no-load inverter operation and during operation near resonance. Series resonant circuit operation is controlled to be above the resonant frequency to ensure operation at a lagging power factor. The snubber-resetting operation is facilitated by a relatively small inductor connected across the output terminals of the series resonant inverter.

REFERENCES:
patent: 4477868 (1984-10-01), Steigerwald
patent: 4541041 (1985-09-01), Park et al.
patent: 4566059 (1986-01-01), Gallios et al.
patent: 4672528 (1987-06-01), Park et al.
patent: 4685041 (1987-08-01), Bowman et al.
patent: 4814962 (1989-03-01), Magalhaes et al.

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