Research of Single-Phase Two-Stage Photovoltaic Grid-Connected Inverter

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Abstract:

In order to meet the needs of different occasions for the low power photovoltaic grid-connected inverter, designed a single phase 3KW two stage photovoltaic grid-connected inverter. DC - DC link used an improved ZVT- Boost circuit to achieve maximum power point tracking (MPPT) control of the panels, DC-AC link used frequency doubling unipolar SPWM control to ensure the full-bridge inverter circuit output current waveform distortion rate minimum, at the same time to achieve the highest efficiency.

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Periodical:

Advanced Materials Research (Volumes 655-657)

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1571-1575

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Online since:

January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1109/ccdc.2010.5498708

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