Standby boost converter

Details Standby boost converter Standby boost converter

1991-10-15

1993-01-12

Voeltz, Emanuel T.

Electric power conversion systems

Current conversion

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

323222, 323299, 361111, H02M 3335

Patent

active

051795086

ABSTRACT:
A boost voltage converter is combined with any DC-DC converter to provide a power system with significant overall power efficiency improvement in applications requiring continuous operation through low line transient levels. The boost converter is normally in a standby mode and only operates when the input DC voltage drops below a predetermined minimum steady state voltage. During steady state operation, a simple, efficient feedthrough of the DC current directly to the DC-DC converter is provided. Efficiency improvements in the combination of boost converter and DC-DC converter result from the reduction of the effective transient range seen by the DC-DC converter, allowing the DC-DC converter components to be designed and selected to significantly reduce their power dissipation during nontransient input steady-state operation.

REFERENCES:
patent: 4160288 (1979-07-01), Stuart et al.
patent: 4533986 (1985-08-01), Jones
patent: 4743835 (1988-05-01), Bosse et al.
patent: 4942509 (1990-07-01), Shires et al.
patent: 4950974 (1990-08-01), Pagano
patent: 5060130 (1991-10-01), Steigerwald

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