Air-blast circuit breakers utilize a blast of compressed air typically at a pressure of 25–75 bar, which is directed across…
Generally protective equipment testing may be divided into three stages: Factory tests. Commissioning tests. Periodic maintenance tests. Factory and commissioning…
The Function and Principles of Power System Protection The objective of power system protection is to detect faults or abnormal…
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…
Corona and its Effects in Power Transmission Systems What is Corona? Corona is the term used to describe the violet…
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…
