Function of Busbars in a Power system & why they must be protected Busbars form a critical component for a…
Overvoltage Protection – Objective, Methods & Equipment The purpose of the protective equipment in a power system is to isolate…
Air Circuit Breaker Features & Operation An air circuit breaker employs atmospheric air as its interrupting medium. The arc is…
Residential Electrical Wiring Overview A residential electric power service typically consists of a three wire ac system supplied by the…
A protective relay is basically an electrical device that detects a fault in a power system and initiates the operation…
Introduction Many modern designs of circuit breakers for use at transmission voltages utilize sulphur hexafluoride (SF6) gas both as an…
Introduction The process of connecting the metallic frame i.e. non-current part of electrical equipment or some electrical part of the…
As with most of electrical equipment, the key causes of failure of power transformers are either due to electrical failure…
In many high-powered applications, three-phase voltages need to be rectified to give rise to a single DC supply; such rectification…
The typical practice for testing power and distribution transformers is to carry out a comprehensive set of tests at the…
