IEC TS 63217 pdf – Utility-interconnected photovoltaic inverters – Test procedure for over voltage ride-through measurements 1 Scope This document provides a test procedure for evaluating the performance of Over VoltageRide-Through (OVRT) functions in inverters used in utility-interconnected photovoltaic (PV)systems. This document is most applicable to large systems where PV inverters are connected to utilityhigh voltage (HV) distribution systems.However, the...