Transmission System

Cable Insulation Resistance Measurement Test

Cable testing is conducted to chart the gradual deterioration over the years, to do acceptance testing after installation, for verification of splices and joints, and for special repair testing. It is always appropriate to conduct the cable insulation resistance measurement test first, and if the data obtained looks good, then proceed with the DC overpotential …

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Radial, Interconnected & Ring Main Distribution System

The following connection schemes of distribution system are generally employed:   Radial Distribution System In a radial distribution system, separate feeders radiate from a single sub-station and feed the distributors at one end only. A single line diagram of a radial system for AC distribution is shown in the figure.   Here substation supplies power …

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