What is a Feeder in traction power distribution?

What is a Feeder in traction power distribution?

• A. A line that carries power from a substation to trackside equipment and trains.
• B. A device that switches trains at junctions.
• C. A line that conducts electrical power from a substation to trackside equipment and trains.
• D. A signaling circuit that detects train presence.

Answer: (C)

A feeder is the main power-carrying path that brings electrical power from a substation into the traction power network, feeding the trackside equipment and the trains. It is the conductor that actually conducts the energy along the route to where it’s needed, forming the backbone of the distribution system. This emphasis on the conductive path from substation to the traction network is why the description that specifies “conducts electrical power” best captures what a feeder is. The other ideas describe lines or devices that aren’t the primary energy-carrying conductor in the traction system.

A feeder is the main power-carrying path that brings electrical power from a substation into the traction power network, feeding the trackside equipment and the trains. It is the conductor that actually conducts the energy along the route to where it’s needed, forming the backbone of the distribution system. This emphasis on the conductive path from substation to the traction network is why the description that specifies “conducts electrical power” best captures what a feeder is. The other ideas describe lines or devices that aren’t the primary energy-carrying conductor in the traction system.