Field programmable gate array-based control method for a pulse density modulated microinverter operating in island mode

This study proposes a new control method for a pulse-density modulated microinverter and its implementation within a field programmable gate array circuit. The structure and operating principle of the studied microinverter demand implementation of a pulse-density modulation-based control method with...

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Published in:IET power electronics 2016-11, Vol.9 (14), p.2621-2630
Main Authors: Korošec, Lucijan, Konjedic, Tine, Truntič, Mitja, Rodič, Miran, Milanovič, Miro
Format: Article
Language:English
Subjects:
field programmable gate arrays
field programmable gate array‐based control method
invertors
island mode
load transients
pulse density modulated microinverter
switching frequency
zero current switching
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cited_by cdi_FETCH-LOGICAL-c3689-74081c3e9663a0aa4c6e240842bcd0e4e0c643d5579f7d0173490234f2f1fc043
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container_issue 14
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creator Korošec, Lucijan
Konjedic, Tine
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description This study proposes a new control method for a pulse-density modulated microinverter and its implementation within a field programmable gate array circuit. The structure and operating principle of the studied microinverter demand implementation of a pulse-density modulation-based control method with two independent control loops. The first one ensures a constant input current from the source while the second one provides a sinusoidal voltage at the converter's output. At the same time the implemented control method ensures zero-current switching of the utilised power transistors in decoupling and output stages which allows operation at high switching frequency. The performance of the proposed control method for a microinverter operating in island mode was experimentally verified in steady-state operation, as well as during load transients.
doi_str_mv 10.1049/iet-pel.2015.1021
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subjects field programmable gate arrays
field programmable gate array‐based control method
invertors
island mode
load transients
pulse density modulated microinverter
switching frequency
zero current switching
title Field programmable gate array-based control method for a pulse density modulated microinverter operating in island mode
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