A power governor is a device that regulates the flow of electricity. It keeps the voltage within a specific range for the appliance. It does this by controlling the output of the electrical generator. Power governors have many synonyms, including voltage regulator, voltage stabilizer, power stabilizer, and power conditioner. These synonyms are used to describe the same device that regulates the power that an appliance receives. Regardless of the name, the power governor is an essential component of modern electrical systems. It ensures that electricity is supplied at the correct voltage, which improves the efficiency and longevity of appliances.