Electrical Switching Transients
Basic Concepts and Simple Switching Transients The purpose of a power system is to transport and distribute the generated electrical energy from power plants to the consumers in a safe …
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Importance of Earthing Only One End of a Cable
Multi-core cables are particularly used for control, instrumentation, computers and telecommunications. These cables carry very small currents in their conductors compared to power cables. These currents feed into very sensitive …
Cathodic Protection Of Offshpre Structures
Offshore structures comprise fixed platforms, mobile rigs, sub-sea pipelines, mooring buoys, harbours, and jetties. These are made of steel, but sometimes of concrete. All categories need cathodic protection to prevent …
Hazardous Area Classification Impact on Earthing Systems in Oil & Gas Installations
Hazardous Area Classification Oil & gas installation has areas which are classified as being Zone 1 or Zone 2 according to IEC 60079. With regards to explosion ignition of flammable …
Earthing System in Oil & Gas Installations
In oil and gas installations, earthing systems play a crucial role in ensuring safety and mitigating risks associated with electrical faults and preventing hazardous incidents such as fires, explosions, and …
Selection of Electric Motor Rating to Match Driven Equipment
Factors in Electrical Motor Selection The rating of an electric motor should be higher than that of its driven equipment by a suitable margin. The selection of this margin is …