TY  - JOUR
AU  - Seidler, Martin Florian
AU  - Pieters, Bart
AU  - Zwaygardt, Walter
AU  - Haas, Stefan
AU  - Astakhov, Oleksandr
AU  - Merdzhanova, Tsvetelina
TI  - A photovoltaics emulator for electrochemistry using Python and SCPI
JO  - Journal of power sources
VL  - 641
SN  - 0378-7753
CY  - New York, NY [u.a.]
PB  - Elsevier
M1  - FZJ-2025-02064
SP  - 236723 -
PY  - 2025
AB  - Coupling photovoltaics to electrochemical devices is one of the major routes to overcome intermittent power generation and facilitate further PV deployment. However, for practical tests researchers are often at the whims of the environmental conditions at their testing sites. Experimental devices may be constrained to laboratory environments, which makes coupling to physical photovoltaics impractical. To avoid these limitations, photovoltaic devices can be emulated using highly specialized custom hardware. Adding to this development, we show emulation in software using only common functions available in many off the shelf laboratory power supplies. This approach offers maximum flexibility in choosing a photovoltaic model and operating conditions, both of which may be measured, predicted or entirely artificial. It is geared towards electrochemistry updating the output 2 times per second typically and reproducing the current–voltage characteristics of the photovoltaic device with high accuracy (0.3 % error). It also provides fast convergence for electrochemical loads and protects them from excessive ripple currents.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:001467371600001
DO  - DOI:10.1016/j.jpowsour.2025.236723
UR  - https://juser.fz-juelich.de/record/1040942
ER  -