Definition: Transmission Line

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Transmission Line

A system of structures, wires, insulators and associated hardware that carry electric energy from one point to another in an electric power system. Lines are operated at relatively high voltages varying from 69 kV up to 765 kV, and are capable of transmitting large quantities of electricity over long distances.[1]

Wikipedia Definition

An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy across large distances. It consists of one or more conductors (commonly multiples of three) suspended by towers or poles. Since most of the insulation is provided by air, overhead power lines are generally the lowest-cost method of power transmission for large quantities of electric energy.


Also Known As
Overhead power line
Related Terms
transmission linessystempowerelectricity generationbioenergy
References
  1. Glossary of Terms Used in Reliability Standards


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