World-class Overhead Line Design

Transmission towers constitute about 28 to 42 percent of the cost of the transmission line. The increasing demand for electrical energy can be met more economically by improving the design and configuration of the transmission line towers.

Foundation of any structure plays an important role in safety and satisfactory performance of the structure as it transmits mechanical loads of the electrical transmission system to earth. A transmission structure without having a sound and safe foundation cannot perform the function for which it has been designed. Knowing and applying the best design based on the location’s environment is the key in improving line performance and safety.

Overhead transmission is a complicated engineering and design challenge. Salvo Global’s course on Overhead Line Design will provide an in-depth overview of transmission line and transmission line design, which will examine the behavior of wires, the design and analysis considerations, and the types of loads on wires and structures. This course will also provide attendees with the knowledge of the governing codes. This is the ideal course for engineers new to overhead transmission projects, regulatory staff that needs an overview to evaluate project options and vendors and contractors that support utilities as they build new transmission.

Top Learning Objectives

  • Understand the planning process for the development of new overhead lines and the uprating and upgrading of existing overhead lines including considerations of network constraints and reliability
  • Develop an appreciation and application of the best international and national standards for the design of overhead lines including, where applicable consideration of local national structural and or wind codes
  • Develop knowledge of the thermal design of overhead lines
  • Develop an understanding of overhead line voltage rating and structure geometry
  • Build knowledge of the requirements of overhead line earthing and cover an understanding of the purpose of earthing; risk based approach to earthing design; and probability factors and case studies
  • Develop knowledge of the applied loads including ultimate limit state loads, serviceability limit state loads and load combinations
  • Develop an appreciation of the types and applications of structures including wood poles, generic pole design, concrete poles, steel poles, composite fibre poles and lattice steel structure
  • Develop knowledge of the conductors including conductor parameters, conductor fatigue, conductor safe design tension, conductor permanent elongation & creep, conductor change of state equation, conductor sag and conductor selection
  • Know the applied loads, combined structure loads and strengths will be determined and will include and understanding of radial loads, vertical loads, insulator loads and load combinations

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