Integrated Series Transformer in Cascade Converters for Photovoltaic Energy Systems

This paper proposes a novel configuration for photovoltaic applications based on a cascade converter topology. The series connection between modules is achieved through the magnetic core of the integrated series transformer, therefore an inherent isolation is provided without the requirement of a dc...

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Bibliographic Details
Main Authors: Verdugo, Cristian, Atef Elsaharty, Mohamed, Rodriguez, Pedro
Format: Conference Proceeding
Language:English
Subjects:
Insulation
Inverters
Magnetic cores
Photovoltaic systems
Simulation
Topology
Windings
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Description
Summary:This paper proposes a novel configuration for photovoltaic applications based on a cascade converter topology. The series connection between modules is achieved through the magnetic core of the integrated series transformer, therefore an inherent isolation is provided without the requirement of a dc-dc conversion stage. Such isolation approach between each module allows operation at high voltage levels without harming the PV panel insulation. The main principles that support this proposal, as well as, simulation results are presented to validate the configuration.
ISSN:2329-3748
DOI:10.1109/ECCE.2018.8557497