Power Network

Distribution Overhead Lines

  • 16 available

Course summary

This course will enable delegates to become more conversant with operating, maintaining and refurbishing overhead lines.

It will allow you to develop your understanding of current standards and regulations for overhead lines with an emphasis on safety and best practice.

The course covers many of the relevant topics relating to overhead lines, including inspection and maintenance, conductors, insulators, lightning protection and the effects of environmental issues.

The course includes an update on recent and future developments in overhead line design and construction.

Course itinerary

Standards and Regulations

  • Acts and regulations
  • Technical and engineering standards
  • HASAWA, WAH, ENATS, BS's, CDM
  • Safety and ESQCR

Identification of OHL's

  • Why OHL's (Cost, speed of construction, ease of build, power delivery)
  • LV
  • 6.6/11kV
  • 33/66kV
  • 132kV - Distribution and Transmission

Construction

  • Wood poles Types
  • Wood poles - Steelworks / Fittings
  • Stays / Struts
  • Plant
  • Steel Towers - Types
  • Steel Towers - Fittings
  • Bonding and Earthing
  • Line profiling
  • Weather / climate considerations
  • Sag charts

Conductors / Insulators

  • Types and Capacity
  • Sag

Operation

  • Running arrangements
  • Protection - Discrimination / Lightning
  • Switchgear
  • Working on - Making safe at different voltages

Maintenance

  • Inspections
    • When - periodically, reactive, risk based
    • How - Line patrol, Heli, UAV, Thermal
  • Work
    • Tree cutting
    • Asset replacement
    • Battery maintenance
    • Plant function tests
    • LL / HO

Why attend?

As a result of attending you will gain:

  • An understanding of standards and regulations for overhead lines
  • A detailed review of inspection and maintenance, including condition assessment.
  • An opportunity to discuss live line working and refurbishment.
  • An awareness of future developments including covered conductors and accessories
  • Environmental effects on overhead lines
  • Appreciation of overhead line design criteria

Excellent knowledge of subject matter.

Andrew, 27-28 Sept 2022

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