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Synthesis and modulation of a single phase DC/AC converter with high-frequency isolation in photovoltaic energy applications

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4 Author(s)

This paper introduces a DC/AC converter with high-frequency isolation and bidirectional power flow capability for photovoltaic energy applications. The topology is based on a high-frequency inverter, a high-frequency transformer and an AC/AC converter. No additional DC-link stages are required, providing a reduction of components. A modulation strategy for the commutation of the AC/AC converter switches is presented with the benefits of soft-switching commutations with no extra components. Simulation and experimental verification are provided.

Published in:

Power Electronics Specialist Conference, 2003. PESC '03. 2003 IEEE 34th Annual  (Volume:3 )

Date of Conference:

15-19 June 2003