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| 001 | 916163 | ||
| 005 | 20240712084507.0 | ||
| 024 | 7 | _ | |a 10.1016/j.solener.2022.11.040 |2 doi |
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| 037 | _ | _ | |a FZJ-2022-05983 |
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| 100 | 1 | _ | |a Chibuko, Uchechi |0 P:(DE-Juel1)187353 |b 0 |
| 245 | _ | _ | |a Module-level direct coupling in PV-battery power unit under realistic irradiance and load |
| 260 | _ | _ | |a Amsterdam [u.a.] |c 2023 |b Elsevier Science |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a A photovoltaic (PV) module, battery and consumer or load is usually tied together by a complex power electronics, including maximum power point tracking (MPPT) device for power coupling to maximize output of the PV modules. At the same time, a typical battery itself can play the role of a power coupling element in addition to its main energy storage function. In principle, a properly chosen PV-battery pair can maintain a high degree of internal power coupling even under variable irradiance and load without MPPT electronics. This option is of interest for e.g. module-level integration of PV and battery to cope with natural intermittency of a PV module power output. In this work, we experimentally examine the function of a laboratory scale unit of a 7-cell silicon heterojunction PV module directly connected to a lithium-ion battery and variable load. The unit is the simplest PV-battery module representative for detailed study under a series of emulated realistic profiles of irradiance and power consumption. The directly coupled PV-battery unit shows coupling efficiencies of above 99.8% at high irradiance and approx. 98% on average through the daily cycle – a value that is comparable to modern MPPT devices |
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| 700 | 1 | _ | |a Merdzhanova, Tsvetelina |0 P:(DE-Juel1)130268 |b 1 |
| 700 | 1 | _ | |a Weigand, Daniel |0 P:(DE-Juel1)130302 |b 2 |
| 700 | 1 | _ | |a Ezema, Fabian |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Agbo, Solomon |0 P:(DE-Juel1)166079 |b 4 |
| 700 | 1 | _ | |a Rau, Uwe |0 P:(DE-Juel1)130285 |b 5 |
| 700 | 1 | _ | |a Astakhov, Oleksandr |0 P:(DE-Juel1)130212 |b 6 |e Corresponding author |
| 773 | _ | _ | |a 10.1016/j.solener.2022.11.040 |g Vol. 249, p. 233 - 241 |0 PERI:(DE-600)2015126-3 |p 233 - 241 |t Solar energy |v 249 |y 2023 |x 0038-092x |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/916163/files/Module-level%20direct%20coupling%20in%20PV-battery%20power%20unit%20under%20realistic%20irradiance%20and%20load%20-%201-s2.0-S0038092X2200860X-main.pdf |y OpenAccess |
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