Important Questions of Underground Cables

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…

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Loop Tests in Underground Cables

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…

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Laying of Underground Cables

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,…

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Classification of Underground Cables

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…

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Insulating Materials for Underground Cables

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…

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Construction of Underground Cables

Construction of Underground Cables: Fig. 11.1 shows the general Construction of Underground Cables. The various parts are : Cores or Conductors:  A cable may have one or more than one…

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