Underground Cables Interview Questions and Answers: 1. For what purpose metallic sheath is provided in underground cables ? Ans. The metallic sheath is provided around the insulation to protect it…
Important Questions of Underground Cables: 1. Compare the merits and demerits of underground system versus overhead system. 2. With a neat diagram, show the various parts of a high voltage…
Underground Cables in Power System Articles: Underground Cables: Electric power can be transmitted or distributed either by overhead system or by underground cables. The underground cables have several advantages such…
Loop Tests in Underground Cables: There are several methods for locating the faults in underground cables. However, two popular methods known as Loop Tests in Underground Cables are : Murray…
Laying of Underground Cables: The reliability of Laying of Underground Cables network depends to a considerable extent upon the proper laying and attachment of fittings i.e., cable end boxes, joints,…
Classification of Underground Cables: Classification of Underground Cables may be in two ways according to the type of insulating material used in their manufacture the voltage for which they are…
Insulating Materials for Underground Cables: The satisfactory operation of a cable depends to a great extent upon the characteristics of insulation used. Therefore, the proper choice of Insulating Materials for…
Construction of Underground Cables: Fig. 11.1 shows the general Construction of Underground Cables. The various parts are : Cores or Conductors:Â A cable may have one or more than one…