Efficient Power Coupling in Directly Connected Photovoltaic‐Battery Module
Due to the intermittent nature of solar irradiance and the temporal mismatch between solar power generation and consumption profiles, the combination of photovoltaic (PV) devices with energy storage is essential. The maximum power point tracking (MPPT) devices are commonly used for the connection of PV to electrochemical storage and load, ensuring power matching and providing flexibility in system design. Herein, the usability of direct PV‐battery coupling as an alternative to MPPT under realistically varied battery state of charge (SoC), irradiance, temperature of the PV module, and applied load is investigated. A stable power coupling factor above 90% is demonstrated between a silicon heterojunction solar module and Li‐ion battery in the whole range of measured SoC (12.5–75%) and a wide range of load power. The dependence of power coupling on temperature and irradiance is calculated and compared to the power generation profile of a PV plant installed in southern Germany. In the region of highest power generation, the direct connection provides coupling efficiencies above 95%, reaching 100%, for the usable range of battery SoC. These results show that direct PV‐to‐battery coupling is feasible for a variety of practical applications and scales.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Efficient Power Coupling in Directly Connected Photovoltaic‐Battery Module ; day:14 ; month:12 ; year:2022 ; extent:8
Solar RRL ; (14.12.2022) (gesamt 8)
- Creator
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Shcherbachenko, Sergey
Astakhov, Oleksandr
Chime, Ugochi
Kin, Li-Chung
Ding, Kaining
Pieters, Bart
Rau, Uwe
Figgemeier, Egbert
Merdzhanova, Tsvetelina
- DOI
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10.1002/solr.202200857
- URN
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urn:nbn:de:101:1-2022121514233666860056
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:27 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Shcherbachenko, Sergey
- Astakhov, Oleksandr
- Chime, Ugochi
- Kin, Li-Chung
- Ding, Kaining
- Pieters, Bart
- Rau, Uwe
- Figgemeier, Egbert
- Merdzhanova, Tsvetelina
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