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The design and implementation of a microcontroller-based single phase on- line uninterrupted power supply with power factor correction

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2 Author(s)
Kayabasi, A. ; Tasucu Vocational Sch., Selcuk Univ. Silifke, Mersin, Turkey ; Akkaya, R.

In this study, the design and implementation of a microcontroller-based single phase on-line UPS (Uninterrupted Power Supply) with PFC (Power Factor Correction) were made practically. SP-320-24 SMPS (Switch Mode Power Supply) module was used to correct the input power factor. Input power factor value was held at the desired value in uninterrupted power supply topologies. In the realized system, two PIC16F876 were used as microcontroller. One of them was used to generate sinusoidal PWM (Pulse Width Modulation) signals that are used to drive n-channel MOSFETs in push pull inverter and to assure feedback control. Other one was used to control and display units. Harmonics were eliminated and output filter was simplified by using sinusoidal PWM technology.

Published in:

Electrical and Electronics Engineering, 2009. ELECO 2009. International Conference on

Date of Conference:

5-8 Nov. 2009