What equipment is commonly used to control the flow of power in a distribution system?

Reclosers play a crucial role in controlling the flow of power in a distribution system by automatically interrupting and restoring service during fault conditions. These devices are designed to detect overcurrent situations, such as short circuits, and they work by quickly disconnecting the affected section of the power line. After a brief delay, reclosers attempt to restore power. This automatic operation is essential for minimizing outages and maintaining system reliability, as it prevents prolonged disruptions to service while also protecting equipment from damage caused by excessive current.

Transformers, while vital for adjusting voltage levels in the distribution system, do not actively control the flow of power in response to fault conditions. Capacitors are used to improve power factor and voltage stability but do not manage the power flow directly. Resistors are typically employed for limiting current but do not facilitate the necessary control mechanism for managing fault conditions and restoring power flow. Thus, reclosers are unique in their specific purpose of enhancing both reliability and efficiency in power distribution, making them the correct choice in this context.