Course Description

This 3-day technical course provides comprehensive knowledge of SF6 (Sulfur Hexafluoride) Ring Main Units, covering operating principles, construction, maintenance practices, and safety procedures. Participants will learn RMU types, SF6 gas properties, switching operations, maintenance requirements, and troubleshooting techniques. The course emphasizes safe handling of SF6 equipment and environmental considerations.

Course Objectives

 Upon the successful completion of this course, each participant will be able to:

  • Understand SF6 Ring Main Unit construction and operation
  • Apply safe SF6 gas handling procedures
  • Perform RMU maintenance and inspection activities
  • Conduct switching operations safely
  • Troubleshoot common RMU problems
  • Ensure environmental compliance in SF6 management

Who Should Attend?

This course is designed for electrical technicians, substation personnel, maintenance engineers, utility operations staff, and technical professionals working with SF6 switchgear.

Course Agenda

Registration

Welcome & Introduction

Pre-Test

Day 1 – RMU Fundamentals & SF6 Properties

  • Introduction to Ring Main Units and their applications
  • SF6 gas properties and insulation characteristics
  • RMU construction and components
  • Types of RMUs: gas-insulated vs. air-insulated
  • Circuit breaker and switch disconnector operation
  • Protection and control systems in RMUs

  Day 2 – Operations & Maintenance

  • Safe operating procedures for RMUs
  • Switching operations and sequences
  • RMU maintenance requirements and schedules
  • SF6 gas monitoring and testing
  • Moisture content and gas quality assessment
  • Leak detection and repair procedures

  Day 3 – Troubleshooting & Safety

  • Common RMU faults and failures
  • Troubleshooting techniques and diagnostics
  • SF6 gas handling safety procedures
  • Environmental regulations and SF6 management
  • Gas recovery, recycling, and disposal
  • Emergency response for SF6 incidents

Post Test

End of the Course

Assessment Methodology

All courses conducted by EdTech will begin with a Pre-evaluation and end with a Post-evaluation. The instructor will evaluate the knowledge and skills of the participants according to the feedback given by participants. This will help to recognize the benefits and the level of knowledge gained by participants through the course.

Training Methodology

Facilitated by a highly qualified specialist, who has extensive knowledge and experience; this program will be conducted using extensively interactive methods, encouraging participants to share their own experiences and apply the program material to real-life work situations in order to stimulate group discussions and improve the efficiency of the subject coverage.

Percentages of the total course hour classification are:

  • ​40% Theoretical lectures, Concepts and approach
  • 20% Motivation to develop individual skill and Techniques
  • 20% Case Studies and Practical Exercises
  • 20% Topic General Discussions and interaction

Course Manual

Participants will be provided with comprehensive presentation material as reference manual. This presentation material is a compilation of core valuable information, references, presentation methods and inspiring reading which will be used as a part of the material guide.

Course Certificate

At the completion of the course, all participants who successfully accomplished the required contact hours will receive an EdTech Training Participation Certificate as a testimony to their commitment to professional development and further education.

Why Edtech ?

  • Industry Experienced; Internationally Qualified Trainers
  • Hands-on Practical Sessions & Assignments
  • Intensive Study materials
  • Flexible Schedules
  • Realistic training methodology
  • High-Quality Training in Affordable Course Fees
  • Achievement Certificate, as approved by the Ministry of Education (Abu Dhabi Center for Technical and Vocational Education Training - ACTVET), HABC, AWS, IAOSHE, SHRM, etc.