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The regulator protects the solar panel from damage caused by accidentally touching its terminals, which can cause a short circuit. Therefore, the process of installing a solar regulator is very important. The regulator purifies and stabilizes the output voltage of solar panels, which operate at direct voltage (DC). This regulation is necessary to align the voltage and current with the system requirements, especially with changes in the strength of sunlight throughout the day due to clouds or a change in the angle of the sun.