What is the primary function of switchgear in electrical systems?

The primary function of switchgear in electrical systems is to control and protect electrical power systems. Switchgear encompasses a range of equipment that is used to isolate, switch, and control electrical circuits and power distribution. This includes circuit breakers, fuses, and switches that not only regulate the flow of electricity but also provide critical protection against overloads, short circuits, and other electrical faults. By enabling safe operation and maintenance of electrical systems, switchgear ensures the reliability and efficiency of power distribution networks.

In contrast, the other options describe functions that are not directly associated with switchgear. Power transformers are designed to adjust voltage levels, power generation refers to the production of electricity, and voltage regulators specifically manage voltage levels to ensure they remain within safe limits. While these functions are essential in the broader context of electrical systems, they do not define the primary role of switchgear, which centers on control and protection.