Photovoltaic (PV)/solar string monitors are used to perform in-situ diagnostics of strings or sub arrays in a photovoltaic or solar power system. Solar string monitors may monitor current, voltage, and/or power output of a sub-array or string of a photovoltaic system. By monitoring the device parameters against pre-set performance ranges, alerts or notifications can identify underperforming strings. String-level diagnostics and monitoring extend the capability of solar inverter monitors down to the component level. Solar string monitors are instrumental in boosting efficiency or otherwise troubleshooting PV and solar power systems.
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