Negative DC to positive DC converter

Details Negative DC to positive DC converter Negative DC to positive DC converter

1974-02-19

1976-07-20

Rolinec, R. V.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307296, 307300, 321 2, H03K 112

Patent

active

039708713

ABSTRACT:
A direct current power supply is capable of delivering up to 1 ampere at 60 to 80% power efficiency from a storage battery source, providing a positive DC power output free from inductor-generated type switching transients. The converter embodies a regenerative switching mode means which alternately drives two sets of paired power transistors, turning on each one pair of power transistors for one-half cycle. Each one of the power transistor pair alternately transfers electron charges to a first one of two switch-coupled capacitors, thence to the second one of the two capacitors, and then to a positive voltage terminal. RC clipping circuitry is coupled to each one of the pair of power transistors providing faster resetting times for the power transistors, increasing the converter power efficiency by decreasing storage-time delay. By decreasing power transistor direct shorting time during power transistor switching between transistor pairs, power loss is decreased.

REFERENCES:
patent: 3320511 (1970-08-01), Tiemann
patent: 3824408 (1974-07-01), Brunel
patent: 3872327 (1975-03-01), Rudert et al.
Gerald Olson - "D-C to D-C Converter Offers Positive and Negative Bias," -- Electronics, May 25, 1970.

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