Underground cables

Transmission line

Electric Supply System

The conveyance of electric power from a power station to consumers’ premises is known as electric supply system. An electric supply system consists of three principal components viz., the power station, the transmission lines and the distribution system.

Sub Station And Classification

The assembly of apparatus used to change some characteristic (e.g. voltage, a.c. to d.c., frequency, p.f. etc.) of electric supply is called a sub-station.

Suspension Type Insulator

Suspension Type Insulator

Pin Type Insulators

Pin Type

Types of Insulators

There are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle insulator.

1 Pin type Insulators

Pin Type Insulator