The inverter of your solar panels automatically shuts off if the voltage in your home becomes too high (above 253 volts). This is regulated by law and is part of the standards that an inverter must comply with.
As a result of repeated bombings during the Iran-Iraq war and the Gulf War, power stations today can barely meet local demand, and it is estimated that in 2000, capacity in the central and southern regions supplied only 50 percent of demand.
Some of the common causes of switchgear failure include overheating, insulation degradation, mechanical failures, environmental factors, and improper maintenance.