Ramin Rahimzadeh Khorasani
An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications
Khorasani, Ramin Rahimzadeh; Jazi, Hamed Moradmand; Chaudhuri, Nilanjan Ray; Khoshkbar-Sadigh, Arash; Shaneh, Mahdi; Adib, Ehsan; Wheeler, Patrick
Authors
Hamed Moradmand Jazi
Nilanjan Ray Chaudhuri
Arash Khoshkbar-Sadigh
Mahdi Shaneh
Ehsan Adib
Professor PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems
Abstract
In this article, a novel soft switched interleaved boost structure with a simple auxiliary circuit is proposed which is suitable for stand-alone loads or ac grid applications. In this topology, coupled inductors and switched capacitor cells of parallel modules are merged to obtain high voltage conversion ratio. The converter also has the capability of adding extra switched capacitor cells to attain very high voltage gain. To provide soft-switching condition in the wide range of output power, a new zero-voltage transition auxiliary circuit is employed which is responsible for soft switching of both phases and benefits from low conduction losses, the minimum number of semiconductor elements, and only one auxiliary gate-driver. These merits provide very high efficiency at both full-load and light loads. More importantly, no auxiliary magnetic components are utilized by taking advantage of the leakage inductance of coupled inductors for the resonant network. All semiconductor components operate under soft switching alleviating the reverse recovery problem and switching losses. Besides, the converter benefits from common ground between input and output which simplify voltage feedback. The experimental results of the interleaved converter prototype with 400-V output voltage at 400 W and 100 kHz switching frequency are provided. The full load efficiency of 98% was achieved and the power density was observed 1.9 W/Cm3.
Citation
Khorasani, R. R., Jazi, H. M., Chaudhuri, N. R., Khoshkbar-Sadigh, A., Shaneh, M., Adib, E., & Wheeler, P. (2022). An Interleaved Soft Switched High Step-Up Boost Converter With High Power Density for Renewable Energy Applications. IEEE Transactions on Power Electronics, 37(11), 13782-13798. https://doi.org/10.1109/TPEL.2022.3181946
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 6, 2022 |
Online Publication Date | Jun 10, 2022 |
Publication Date | Jun 10, 2022 |
Deposit Date | Jan 5, 2023 |
Publicly Available Date | Jan 5, 2023 |
Journal | IEEE Transactions on Power Electronics |
Print ISSN | 0885-8993 |
Electronic ISSN | 1941-0107 |
Publisher | Institute of Electrical and Electronics Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 37 |
Issue | 11 |
Pages | 13782-13798 |
DOI | https://doi.org/10.1109/TPEL.2022.3181946 |
Keywords | Electrical and Electronic Engineering |
Public URL | https://nottingham-repository.worktribe.com/output/8501760 |
Publisher URL | https://ieeexplore.ieee.org/document/9794429 |
Files
Revised Manuscript_final pww
(2.1 Mb)
PDF
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