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Types of poles – Wooden poles, Concrete poles, Tubular steel poles, Latticed steel tower
Types of poles Line supports or the poles which hold the conductors to a height they are above the ground level. In general, four types of poles are used, depending on the size and shape of the conductor used. i. Wooden poles ii. Concrete poles iii. Tubular steel poles iv. Latticed steel tower i. Wooden […]
Overhead line transmission – Main components used in overhead lines, Transmission line conductors, Properties of conductors
Overhead line transmission The overhead lines are used to transmit electricity from power plants to consumers. A network of electrical power lines are used to transmit the electricity over a geographic area is called power grid. Main components used in overhead lines i. Electric conductors ii. Poles and towers iii. Insulators iv. Cross arm that […]
Effects of transmission – Skin effect, Corona: Factors affecting corona, Advantages of corona, Disadvantages of corona
Effects of transmission 1. Skin effect When an alternating current flows through a conductor, a flux will be produced in it. This flux will be higher at the center of the conductor than outer surface. The high reactance of center area causes the alternating current to flow near the surface of the conductor. This is […]