Grigorios Sergentanis
A Topology-Morphing Series Resonant Converter for Photovoltaic Module Applications
Sergentanis, Grigorios; De Lillo, Liliana; Empringham, Lee; Johnson, C Mark
Authors
LILIANA DE LILLO Liliana.De_lillo@nottingham.ac.uk
Associate Professor
Professor LEE EMPRINGHAM LEE.EMPRINGHAM@NOTTINGHAM.AC.UK
Professor of Power Conversion Technologies
C Mark Johnson
Abstract
Residential solar photovoltaic (PV) installations frequently use power optimizers to increase their energy production. In this application, the ability to regulate a wide range of voltage with high efficiency is highly desirable. Thus, this paper proposes a novel hybrid-controlled series resonant converter (SRC) for photovoltaic power optimizers. The converter utilizes the advantage of GaN devices, which have improved switching transition times compared to Si devices, hence providing a lower switching loss. Regulation is achieved with fixed-frequency PWM control on the secondary side, while ZVS and ZCS of the devices are achieved with the proposed resonant tank design. The proposed converter maintains high efficiency over a wide voltage range, making the PV system shade-tolerant while keeping the number of switching devices low. The paper presents the operating principles, the design methodology, and simulation results. The results show a high efficiency over a wide voltage range, as well as a wide load range.
Citation
Sergentanis, G., De Lillo, L., Empringham, L., & Johnson, C. M. (2022). A Topology-Morphing Series Resonant Converter for Photovoltaic Module Applications. In 2022 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe)
Presentation Conference Type | Edited Proceedings |
---|---|
Conference Name | EPE 2022 ECCE Europe conference |
Start Date | Sep 5, 2022 |
End Date | Sep 9, 2022 |
Acceptance Date | May 3, 2022 |
Online Publication Date | Oct 17, 2022 |
Publication Date | Oct 17, 2022 |
Deposit Date | Sep 23, 2022 |
Publicly Available Date | Oct 17, 2022 |
Publisher | Institute of Electrical and Electronics Engineers |
Book Title | 2022 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe) |
ISBN | 9781665487009 |
Keywords | Resonant Converter; Boost; Photovoltaic; DC-DC converter; Efficiency |
Public URL | https://nottingham-repository.worktribe.com/output/11470791 |
Publisher URL | https://ieeexplore.ieee.org/document/9907636 |
Related Public URLs | https://epe2022.com/ |
Files
0489-epe2022-full-16131323
(820 Kb)
PDF
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