Multiple output AC/DC converter with an internal DC UPS

Author

Fernandez, Alicia ; Sebastián, J. ; Martín-Ramos, J.A. ; Corral, J. ; Ruiz, F.

Author_Institution

Grupo de Electronica Ind., Oviedo Univ., Spain

Volume

3

fYear

2002

fDate

2002

Firstpage

1095

Abstract

The usual way to avoid a computer shutdown during a mains failure is to connect an AC Uninterruptible Power System (UPS). However, there are other possibilities, as using an internal DC UPS, that is, to allow the topology to operate either from the AC mains or from a battery. A complete design of an AC/DC power supply with an internal DC UPS is presented in this paper. Moreover, the power supply meets all the requirements needed to be used as an ATX PC power supply: multiple outputs, power and voltage ratings, size, protections, etc. A prototype has been fully developed and tested as a PC power supply. The autonomy achieved at full power is around 7 minutes.

Keywords

AC-DC power convertors; computer power supplies; rectifying circuits; uninterruptible power supplies; 7 min; ATX PC power supply; internal DC UPS; mains failure; multiple output AC/DC converter; protections; ratings; size; uninterruptible power system; Batteries; Costs; DC-DC power converters; Electricity supply industry; Feeds; Power supplies; Switches; Switching converters; Uninterruptible power systems; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 2002. pesc 02. 2002 IEEE 33rd Annual

Print_ISBN

0-7803-7262-X

Type

conf

DOI

10.1109/PSEC.2002.1022321

Filename

1022321