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M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 4 Issue 3, March 2015 | Popularity: 6.7 / 10

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High Boost Ratio Hybrid Transformer DC-DC Converter for PV Grid Applications

K. Suvarna Kumari, B. Revathi

Abstract: Attempts were made by scientists for utilizing solar power. Solar drives, solar water heater, solar concentrators are some examples. Recently because of energy shortage green gas effect, attention was given for generating electric power from solar power. This paper proposes a non isolated, high boost ratio hybrid transformer dc-dc converter with applications for low voltage renewable energy sources. The proposed converter utilizes a hybrid transformer to transfer the inductive and capacitive energy simultaneously, achieving a high boost ratio with a smaller sized magnetic component. the turn-off loss of the switch is reduced, increasing the efficiency of the converter under all load conditions. The voltage stresses on the active switch and diodes are maintained at a low level and are independent of the changing input voltage over a wide range as a result of the resonant capacitor transferring energy to the output of the converter.

Keywords: High boost ratio dc-dc, micro grid,

Edition: Volume 4 Issue 3, March 2015

Pages: 1711 - 1714

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