Carbon flow and management in regional rice production in Thailand
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Publication Details
Author list: Jakrawatana N., Gheewala S.H., Towprayoon S.
Publisher: IEEE Computer Society
Publication year: 2019
Volume number: 10
Issue number: 1
Start page: 93
End page: 103
Number of pages: 11
ISBN: 9788993215182
ISSN: 1598-7833
eISSN: 1598-7833
Languages: English-Great Britain (EN-GB)
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Abstract
This paper presents design and experimental implementation of photovoltaic system based on a new quasi-square wave resonant switch (QSW) dc-dc soft-switching buck converter operating in discontinuous conduction mode (DCM) that controlled by a maximum power point tracking (MPPT) was proposed. The switching losses of the power switch in the proposed system was turned-on and turned-off by soft-switching technique. The control circuit of the proposed system was realized by a microcontroller with MC56F8323EVM based on the PO method. The MPPT was implemented in a software program with a self-tuning function, which automatically adjusts the array reference voltage and voltage step size to achieve the maximum power tracking under changing irradiations. From the experimental overall efficiency of the proposed system was 95.0% and The tracking efficiency is improved on average by 16%. ฉ 2019 Institute of Control, Robotics and Systems - ICROS.
Keywords
discontinuous conduction mode (DCM), PO Algorithm
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