Underground Power Transmission

Introduction
•Since the loads having the trends towards growing density. This requires the better appearance, rugged construction, greater service reliability and increased safety.
•An underground cable essentially consists of one or more conductors covered with suitable insulation and surrounded by a protecting cover.
•The interference from external disturbances like storms, lightening, ice, trees etc. should be reduced to achieve trouble free service.
•The cables may be buried directly in the ground, or may be installed in ducts buried in the ground.

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