Most often than not, the signal from the sensor in a measurement and control or monitoring system is very small…
Corona and its Effects in Power Transmission Systems What is Corona? Corona is the term used to describe the violet…
What is Machine Guarding? Most machines have cutting blades or rotating/moving parts that can cause bodily harm if they come…
Air Circuit Breaker Features & Operation An air circuit breaker employs atmospheric air as its interrupting medium. The arc is…
What is the Purpose of Inverters? Whereas dc machines are controlled by varying the voltage and current, ac machines are…
Residential Electrical Wiring Overview A residential electric power service typically consists of a three wire ac system supplied by the…
In order to carry out the verification process proficiently, the person conducting the inspection and test must be in possession…
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…
Switchgear is basically equipment used switch ON or OFF generators, transmission lines, distributors and other equipment under both normal and…
