What is the Purpose of Inverters? Whereas dc machines are controlled by varying the voltage and current, ac machines are…
PCBs are a vital part of modern electronics, forming the core for links and attachment of electronic components. 6-layer PCBs…
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…
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…
