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…
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…
