What is the role of a distribution transformer?

The role of a distribution transformer is crucial in the electrical distribution system, as it primarily functions to convert high voltage electricity transmitted over long distances into lower voltage electricity suitable for use in homes and businesses. This conversion is essential because it makes the electrical power safe and usable at the consumer level, which typically operates at much lower voltages compared to transmission lines.

By stepping down the voltage, the distribution transformer ensures that electricity can be distributed efficiently and safely within local areas. This allows households and commercial facilities to access electrical power without the risk of high voltage, which could be dangerous and damaging to electrical devices.

Other functions mentioned, such as switching electrical power on and off, protecting circuits from overloads, and measuring power usage, are important in different contexts and with other equipment but do not directly define the primary role of a distribution transformer within the electrical grid.