Power System

Corona discharge is an inherent and unique phenomenon in the high voltage transmission lines. When an alternating current of high […]

Much more attention be given to this job as the reliability of service depends on proper methods of laying, attachment

In this topic, you study the Difference between AC and DC Transmission.

The main types of insulators used for overhead lines are Pin Insulator. Shackle insulator Suspension Insulator or disc or string

Now the turning of this century has comprehensively switching on to the use of sulphur Hexafluoride (SF6) circuit breakers instead

Generator is the most important and costly equipment in power system. The cost is high because the alternator unit is

Buchholz Relay is a gas actuated relay. It is connected to the conservator as shown in Fig. 1. Fig. 1:

A resistance ‘R’ may be of metal or maybe liquid resistance (used 66 kV or above). Metal resistance is easy

Sudden rise in the voltage for a very short period on the power system is known as a voltage surge

Earthing screens and ground wires are suggested for protection against direct lightning strokes but they are unable to protect the