Non-dissipative snubber circuit apparatus

Details Non-dissipative snubber circuit apparatus Non-dissipative snubber circuit apparatus

1982-03-05

1983-09-06

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

307253, 307542, 363132, 363 16, 363 56, 361 88, H02H 720

Patent

active

044032692

ABSTRACT:
A dual-switch transformer-coupled switching regulator is provided with a non-dissipative snubber circuit arrangement wherein the resonant elements thereof include an inductor serially connected between two capacitors through a diode switch. The snubber has two other diode switches that are connected on mutually exclusive ones of the same sides of the capacitors that are connected to the inductor. Each of the last two mentioned diode switches connects the respective aforementioned side of the particular capacitor to the outer main terminal of a mutually exclusive one of the dual transistor switches of the regulator. The other side of the particular capacitor is connected to the other main terminal of the other one of the dual transistor switches. The arrangement minimizes any deleterious effects caused when the dual switches are being switched.

REFERENCES:
patent: 4333134 (1982-06-01), Gurwicz
patent: 4363067 (1982-12-01), Radomski
patent: 4365171 (1982-12-01), Archer
"Designing Non-Dissipative Current Snubbers for Switched Mode Converters", Proc. of POWERCON R 6, May 2-4, 1979, First Printing Apr. 1979 (Pre-Conference Edition), pp. B1-1 to B1-6.
"Base Drive Considerations in High Power Switching Transistors", D. Roark, TRW R Power Semiconductors Application Note, No. 120 (1/75), pp. 1 to 11.
"Schottky Rectifiers Shine in Low-Voltage Switchers", R. Patch, Electronic Design, Dec. 10, 1981, pp. 149 to 154.

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