Ahmed M Fares
A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems
Fares, Ahmed M; Klumpner, Christian; Sumner, Mark
Authors
Dr CHRISTIAN KLUMPNER CHRISTIAN.KLUMPNER@NOTTINGHAM.AC.UK
Associate Professor
MARK SUMNER MARK.SUMNER@NOTTINGHAM.AC.UK
Professor of Electrical Energy Systems
Abstract
This paper introduces a novel multiport power converter with modular architecture for photovoltaic (PV)-battery based power systems. Compared to conventional centralized multiport converters, the proposed converter significantly improves the utilization of PV available energy and battery capacity as it does not require a high number of series-connected PV and battery modules. The proposed converter also eliminates the need for additional battery cell/module equalizer circuitry by being able to implement directly energy management strategies that consider the different capabilities of battery modules to ensure charge/stress balancing. This makes it a promising solution for interfacing second-life batteries or for systems that utilize batteries with a high degree of mismatch. The modularity of the proposed converter enhances system reliability and fault tolerance and reduces the power/voltage ratings of the power electronic devices. The converter modes of operation, control strategy and design considerations are discussed. A 75 V/1 kW integrated PV-battery power system prototype is built and tested to validate the concept.
Citation
Fares, A. M., Klumpner, C., & Sumner, M. (2019). A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems. Applied Sciences, 9(19), https://doi.org/10.3390/app9193948
| Journal Article Type | Article |
|---|---|
| Acceptance Date | Sep 16, 2019 |
| Online Publication Date | Sep 20, 2019 |
| Publication Date | Sep 20, 2019 |
| Deposit Date | Sep 26, 2019 |
| Publicly Available Date | Oct 3, 2019 |
| Journal | Applied Sciences |
| Electronic ISSN | 2076-3417 |
| Publisher | MDPI |
| Peer Reviewed | Peer Reviewed |
| Volume | 9 |
| Issue | 19 |
| Article Number | 3948 |
| DOI | https://doi.org/10.3390/app9193948 |
| Public URL | https://nottingham-repository.worktribe.com/output/2662943 |
| Publisher URL | https://www.mdpi.com/2076-3417/9/19/3948 |
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A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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