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Design and implementation of a microprocessor based high frequency switching mode power supply

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3 Author(s)
Sari, Z. ; Tlemcen Univ., Algeria ; Amgoud, K. ; Ait-Bouabdallah, M.

This work presents a new version of a microprocessor based high frequency switching mode power supply. The system, that is designed to be used in computer systems as a main and standby power supply, is controlled by a microprocessor card constructed around the MC6802 microprocessor. The system is composed of two controllable power converters and two uncontrollable converters: a step down chopper used as a power supply of the standby battery; a single phase voltage source inverter used to supply the high frequency transformer; a single phase diode bridge rectifier used as the input of the power supply; and a centre taped two way rectifier fed to the output of the high frequency transformer. The system possesses, in addition to a high quality output voltage regulation, some protection from overvoltages and overcurrent

Published in:

Power Electronics and Applications, 1993., Fifth European Conference on

Date of Conference:

13-16 Sep 1993