Some PV panels or batches of modules are susceptible to potential induced degradation (PID), while others are scarcely affected. Currently, many PV farm operators in Europe are experiencing this reality. The third instalment of our “Bring on the Black Sheep” series describes a case in which a module manufacturer behaved in a close to exemplary manner, but the inverter manufacturer made life difficult.

Black sheep I: In a Bavarian solar farm, experts discovered overheated junction boxes after commissioning and, later, overheated plug connectors as well. The prime contractor was willing to fix both defects. The crossed plug connectors from different manufacturers, which are relatively common in the PV farm, are still a headache for the operator. In a […]