Transmission line

How it is used

Used by grid planners, engineers and developers. Lines are built, upgraded, energised, maintained and sometimes overloaded. Overhead lines are the norm; underground and submarine cables are used where needed. Voltages are given in kV, for example a 380 kV line.

Example sentences

1. A new 380 kV transmission line will carry wind power from the coast to the industrial zone.

2. The storm brought down two transmission line towers.

Common collocations

• high-voltage transmission line
• overhead transmission line
• build a transmission line
• transmission line tower

Related terms

• gridThe network of power lines, substations and transformers that carries electricity from where it is produced to homes, businesses and factories.
• high voltageA voltage level used to move electricity efficiently over long distances, such as 154 kV or 380 kV. The exact limits of low, medium and high voltage differ between standards.
• substationA site with transformers, switches and protection equipment where voltage is raised or lowered and power flows are switched between lines.
• transmission lossesThe part of the electricity that is lost as heat while it travels through power lines and transformers, so less reaches customers than leaves the power plant.
• distribution networkThe lower-voltage part of the power system that takes electricity from substations and delivers it through local lines and cables to homes and businesses.

This word in other fields

The same English word can have a different meaning in another field:

• transmission line · Electrical & Electronics Engineering

More terms: Grid, Transmission and Distribution

• load
• peak demand
• power outage
• transformer
• blackout
• intermittency
• grid connection
• frequency
• grid operator
• curtailment
• smart grid
• off-grid