Grid-connected photovoltaic inverter AC overvoltage

When the on grid inverter is detected that the grid voltage (AC voltage) exceeds the specified range, the on grid inverters must be turned off and stop working in order to ensure the safety of equi. [pdf]
[FAQS about Grid-connected photovoltaic inverter AC overvoltage]

Note on solar energy storage

Solar energy can be stored primarily in two ways: thermal storage and battery storage.. Solar energy can be stored primarily in two ways: thermal storage and battery storage.. Solar power storage systems store surplus solar energy during the daytime for use at night or during periods of low sunlight, reducing the need for grid electricity. [pdf]