Physical Planning and Construction Civil Engineering Construction

Remove Replace Install And Adjust Section Insulator Phase Break Runners On 25 50kv Ac Overhead Traction Equipment Ohte Under Isolated And Earthed Conditions Training

SAQA US 119883 | NQF 4 | Credits 8 | Duration 5 Days
From $1,242 per delegate

Description

This course equips learners with the knowledge and practical skills to safely remove, replace, install, and adjust section insulator phase break runners on 25/50 kV AC overhead traction equipment (OHTE) under both isolated and earthed conditions. It covers critical safety procedures, tool usage, and regulatory compliance to ensure reliable traction power supply and minimize operational risks.

Learning Outcomes

  • Demonstrate understanding of section insulator phase break runner components and their function in 25/50 kV AC OHTE.
  • Apply safety procedures for working on OHTE under isolated and earthed conditions.
  • Remove and replace section insulator phase break runners using appropriate tools and techniques.
  • Install and adjust section insulator phase break runners to specification.
  • Inspect and test installed runners to ensure correct alignment and operation.
  • Record work performed and report deviations or defects according to workplace procedures.

Target Audience

This course is designed for overhead traction line technicians, electrical artisans, and maintenance personnel responsible for the installation, maintenance, and repair of 25/50 kV AC OHTE in railway environments.

Prerequisites

None — open enrollment

Course Outline

Day 1: Fundamentals of Section Insulators and Phase Break Runners

Objectives:
• Explain the function and purpose of section insulators and phase break runners in 25/50kV AC OHTE.
• Identify key components and their roles in the traction power system.
• Describe the principles of isolation and earthing for safe working.
• Recognise relevant safety regulations and standards (e.g., OHS Act, SANS).
• Understand the risks associated with working on or near live OHTE.

Topics:
• Overview of 25/50kV AC overhead traction equipment (OHTE).
• Types and construction of section insulators and phase break runners.
• Electrical isolation and earthing principles.
• Safety legislation and company procedures.
• Hazard identification and risk assessment for OHTE work.
• Introduction to tools and personal protective equipment (PPE).

Day 2: Removal of Section Insulators and Phase Break Runners

Objectives:
• Apply correct isolation and earthing procedures for the work area.
• Demonstrate safe removal techniques for section insulators under isolated conditions.
• Demonstrate safe removal techniques for phase break runners.
• Inspect removed components for damage and wear.
• Complete removal documentation and tag-out procedures.

Topics:
• Step-by-step isolation and earthing process.
• Use of insulated tools and live-line working methods.
• Removal of section insulators: disassembly sequence.
• Removal of phase break runners: handling and support.
• Inspection criteria and defect identification.
• Documentation: work permits, logs, and tagging.
• Practical exercise: removal of a section insulator.

Day 3: Replacement and Installation of Section Insulators

Objectives:
• Select appropriate replacement section insulator based on specifications.
• Prepare installation site and verify isolation/earthing.
• Install new section insulator following manufacturer guidelines.
• Ensure correct alignment, tension, and electrical continuity.
• Conduct post-installation checks and testing.

Topics:
• Selection criteria for replacement insulators.
• Pre-installation checks and site preparation.
• Installation procedure: mounting, connections, and adjustments.
• Tensioning and alignment techniques.
• Electrical testing: insulation resistance and continuity.
• Practical exercise: installation of a section insulator.
• Quality assurance and sign-off procedures.

Day 4: Replacement and Installation of Phase Break Runners

Objectives:
• Select appropriate phase break runner for replacement.
• Install new runner ensuring correct positioning and clearances.
• Adjust runner to maintain proper pantograph interaction.
• Verify mechanical integrity and electrical performance.
• Integrate runner with adjacent section insulators.

Topics:
• Types and specifications of phase break runners.
• Installation steps: positioning, fastening, and alignment.
• Adjustment for pantograph clearance and overlap.
• Mechanical tests: movement and spring tension.
• Electrical tests: continuity and insulation.
• Integration with section insulators and conductor rails.
• Practical exercise: installation and adjustment of a phase break runner.
• Troubleshooting common issues.

Day 5: Adjustment, Commissioning, and Practical Assessment

Objectives:
• Adjust section insulators and phase break runners to operational parameters.
• Perform final commissioning tests under isolated and earthed conditions.
• Demonstrate competence in live-line working procedures (if applicable).
• Complete all documentation and handover procedures.
• Pass practical and theoretical assessments.

Topics:
• Fine-tuning adjustments for optimal performance.
• Commissioning checklist and testing protocols.
• Live-line working: safety and techniques (if required).
• Documentation: completion reports, test records.
• Handover to operations and maintenance.
• Practical assessment: remove, replace, install, and adjust.
• Theoretical assessment and feedback.
• Course review and Q&A.

Practicals

No practicals for this training.

This course is made up of exercises and case studies delivered alongside the theory — no separate practical sessions are required to complete it.

Summatives

Each delegate is assessed continuously throughout the course and a final summative test at the end.

Daily Exercises — 30%

Every training day ends with a multiple-choice exercise scored out of 100%. The scores from each daily exercise are averaged across the duration of the course to produce a Daily Average mark, which contributes 30% to the final total.

Final Test — 70%

On the last day a final summative test is written. It is a multiple-choice paper with multiple-answer questions: each question may have more than one correct option, and a single wrong selection on a question marks the entire question wrong — no partial credit. The final test is scored out of 100% and contributes 70% to the overall mark.

Final Total
Component Out of Weight
Daily Average (multiple choice) 100% 30%
Final Test (multi-answer multiple choice) 100% 70%
Final Total 100%

All marks are recorded on the AATICD LMS and visible to each learner under their account.

Certificate

Certificate of Completion

Awarded to delegates who achieve an overall mark of 50% or higher on the Final Total (Daily Average 30% + Final Test 70%).

How it works
  • Certificates are auto-generated on the AATICD LMS as soon as the marks pass the 50% threshold.
  • Each certificate is a branded PDF with the delegate's name, the course title, the unit standard ID, NQF level, credits, and the date of issue.
  • You can download or print your certificate from your LMS dashboard at any time after issue — there's no reissue fee and no expiry date.
  • If you scored under 50% you can sit the final test again at the next scheduled session at no extra cost.
Where to find it

Sign in to the LMS, open your dashboard, and your certificates appear under My Certificates. Each entry has a View / Download button and a print option.

Training Discounts

Group discounts apply automatically — the more delegates you enrol, the greater the saving. Discounts are calculated at 3% per 5 delegates, scaling up to 40% off for 100+ delegates.

Delegates Discount
5 3% off
10 6% off
15 9% off
20 12% off
25 15% off
30 18% off
50 30% off
75 35% off
100 40% off

3% discount per 5 delegates, up to 40% off for 100+ delegates. Contact us for a custom group quote.

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Training Discounts
Delegates Discount
5 3% off
10 6% off
15 9% off
20 12% off
25 15% off
30 18% off
50 30% off
75 35% off
100 40% off

3% off per 5 delegates, up to 40% for 100+

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