Push-pull converter with energy saving circuit for protecting sw

Details Push-pull converter with energy saving circuit for protecting sw Push-pull converter with energy saving circuit for protecting sw

1979-06-22

1981-06-30

Shoop, William M.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 24, H02H 712

Patent

active

042765889

ABSTRACT:
In a push-pull converter, switching transistors are protected from peak power stresses by a separate snubber circuit in parallel with each comprising a capacitor and an inductor in series, and a diode in parallel with the inductor. The diode is connected to conduct current of the same polarity as the base-emitter junction of the transistor so that energy stored in the capacitor while the transistor is switched off, to protect it against peak power stress, discharges through the inductor when the transistor is turned on, and after the capacitor is discharged the energy now stored in the inductor discharges through the diode. To return this energy to the power supply, or to utilize this energy in some external circuit, the inductor may be replaced by a transformer having its secondary winding connected to the power supply or to the external circuit.

REFERENCES:
patent: 2802149 (1957-08-01), Germer et al.
patent: 3305756 (1967-02-01), Doss et al.
patent: 3311809 (1967-03-01), Corey et al.
patent: 3349315 (1967-10-01), Studtmann
patent: 3430125 (1969-02-01), Povenmire et al.
patent: 3532901 (1970-10-01), Hylten-Cavallius
patent: 3670234 (1972-06-01), Joyce
patent: 4065713 (1977-12-01), Pollmeier

Affiliated with

Also associated with

Rating

Push-pull converter with energy saving circuit for protecting sw does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Push-pull converter with energy saving circuit for protecting sw, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Push-pull converter with energy saving circuit for protecting sw will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2434605