The The ‘High-Voltage Overhead Line Maintenance Techniques’ course offers you the opportunity to enter a booming sector, where the demand for qualified professionals is constantly growing. With the expansion of energy infrastructure and the modernisation of networks, it is crucial to have experts who can ensure the safety and efficiency of high-voltage power lines. On this course, you will gain an understanding of the regulatory framework, the importance of supports and foundations, and the essential role of insulators. You will learn how to carry out preventive maintenance, including periodic inspections and thermography, thereby ensuring the continuity of the electricity supply. Furthermore, eYou will understand the importance of earthing and road treatment in maximising safety. This course is ideal for those looking to specialise in live-line working (TET) and improve their career prospects in a field that is essential to technological development. Don’t miss this opportunity to train in a vital and growing discipline.
Maintenance Techniques for High-Voltage Overhead Lines
Energy
50 hours
Introduction
Objectives
- To understand the regulatory framework governing the maintenance of high-voltage power lines.
- Identify types of supports and foundations to ensure they are installed correctly.
- To analyse effective methods for carrying out safe and efficient earthing.
- Classify earth conductors and cables according to their specific characteristics and uses.
- To assess the different types of insulators and their importance for the safety of power lines.
- Apply techniques for the maintenance of roads and the management of the areas surrounding the lines.
- To recognise safe procedures for carrying out live-line work (TET).
- Carry out regular inspections and use thermal imaging to detect faults.
Table of Contents
TEACHING UNIT 1. REGULATORY FRAMEWORK
Introduction
National regulations
Environmental regulations
Quality standards
TEACHING UNIT 2. SUPPORTS AND FOUNDATIONS
Maintenance techniques for supports
Maintenance techniques for foundations and anchors
References
Appendices
TEACHING UNIT 3. EARTHING
Introduction
Earthing system
Regulations governing high-voltage power lines
Regulatory measures
Inspection of the earthing system
Improvements to the earthing system
References
TEACHING UNIT 4. CONDUCTORS, EARTHING CABLES AND FITTINGS
Introduction
Drivers
Earth cables
Fittings
Chains
Accessories
Maintenance of fittings
References
Appendix
TEACHING UNIT 5. INSULATORS
Introduction
Types of insulators
Regulations
Electrical and mechanical characteristics
Issues relating to insulation in overhead lines
Insulation inspections
Inventory and zoning based on pollution levels
Line study
Solutions to insulation problems
References
Appendices
TEACHING UNIT 6. ROAD TREATMENT
Definition: easement and street
Reasons for opening roads
Street dimensions
Extent of the streets
Criteria for application
Chemical treatments
Massive deforestation
Selective felling
Brush-clearing
Pruning
Enforcement procedure
Technical, legal and environmental constraints
Environmental legislation
Environmental factors to consider
Road maintenance
Trails and paths
References
Appendix: streets mentioned in the Royal Decree
TEACHING UNIT 7. WORK UNDER TENSION (WUT)
Work on electrical installations
Definition of ‘tet’
Exceptions
Justification for the tet
The ‘tet’ technique
The History of the Tet
Structure and organisation of work
Recruitment, training, certification and refresher training of staff
Terms and conditions governing the performance of the tet
Electric and magnetic fields
Working methods
Materials and tools
Work procedures
Minimum safety distances
Carrying out the work
Special circumstances in live-line working
Legal provisions
TEACHING UNIT 8. PERIODIC INSPECTIONS OF HIGH-VOLTAGE OVERHEAD POWER LINES AND THERMOGRAPHY
Regular checks
Regulatory aspects. Decree, Royal Decree and Royal Decree.
Minimum technical equipment required for the verification and inspection of high-voltage overhead lines.
Items to be inspected
Planned maintenance. Types of inspection
References
TEACHING UNIT 9. REPAIRING MAJOR FAULTS
Introduction
Causes of major breakdowns
Protocol for dealing with major breakdowns
Criteria for decision-making
Actions taken whilst the fault is being rectified
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