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  1. Leonardo Energy - Knowledge Base
  2. Cables
  3. Underground Power Cables

Underground Power Cables

  • What are the maintenance procedures for underground distribution?
  • What are the main selection and design criteria for cables used in underground distribution?
  • What are the different installation methods for underground cables and how do these compare with one another?
  • Which are the key cost components of an underground cable power distribution system and how do these compare with overhead lines over the lifecycle?
  • How do High Voltage Overhead Transmission Lines impact the environment and how can this be evaluated?
  • What are the important engineering considerations when going underground?
  • What are the key factors for the success of an undergrounding plan?
  • What are the costs and benefits of converting overhead lines to underground cables?
  • What is the maximum length of underground cable that can be laid without providing reactive compensation?
  • Can cables cross motorways, roads and waterways & is there a problem with existing oil and gas pipelines or electricity cables?
  • What are the requirements for linking an underground section to an overground section? How much land is required? How easily can this be camouflaged from view?
  • Are there differences in transmission losses between underground cables and overhead lines?
  • What are the main differences in outages & repairs between overhead lines and underground cables?
  • How many cables are required when undergrounding transmission lines?
  • What are the Electro-Magnetic Fields from overhead lines and cables?
  • What are the main benefits of underground cables?
Leonardo Energy - Knowledge Base