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Anoop, Hannah Monica
- Investigation And Design Of An Integrated Buck-Buck-Boost Converter For Power Factor Correction
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International Journal of Innovative Research and Development, Vol 2, No 10 (2013), Pagination:Abstract
This paper presents the detailed analysis of an integrated buck-buck-boost (IBuBuBo) converter used for power factor correction. It is a one-stage one-switch AC/DC converter which steps down the voltage without a transformer. It combines a buck type PFC cell with a buck-boost type DC/DC cell. Two capacitors are sharing the voltage. Part of the input power is directly coupled to the output. With the above features it is able to achieve a high power factor, efficient power conversion and low output voltage without a transformer. This reduces the cost and size. The main switch handles the peak inductor current of DC/DC cell rather than the superposition of both inductor currents.