DESIGN AND IMPLEMENTATION OF POWER FACTOR CORRECTION (PFC) CONVERTER WITH AVERAGE CURRENT MODE CONTROL USING DSP

This paper presents a digital controlling method for power factor correction converter with boost structure, by applying average current controlling operation at a fixed frequency, to be used at 90-265 Vrms line voltage, based on being applied on DSP. This method which is based designing in analogue domain and converting the resulting model in to digital domain will be discussed in this paper. The obtained results of applying this method on practical circuit, with power of 1200w, which shows a power factor more than 0.99, are also provided in this article.