ICTD International Centre for Training and Development

Advanced H.V and M.V Switching

Available dates

Dec 15—19, 2019
5 days
Abu Dhabi, United Arab Emirates
USD 3000
USD 600 per day
Dec 15—26, 2019
5 days
Dubai, United Arab Emirates
USD 6000
USD 1200 per day


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About the course

This is an advanced training programme that requires a good foundation of electrical knowledge. It is designed to refresh the knowledge, skills and experience of the candidates relating to safe practices and legislation applicable to High Voltage power systems.

Course Objectives

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

  • Know the performance of gas insulated switchgear HV &MV
  • Know the principles of operation of modern vacuum circuit breakers
  • Learn how the substations of HV & MV can be earthed
  • Know the ratings of HV and MV & switching and shopping problems
  • Know the performance of modern SF6 switchgear
  • Learn how to make maintenance for HV & MV circuit breakers

Course Outline

Day 1

  • Fault level calculations
  • Methods of symmetrical & asymmetrical fault calculations
  • GIS apparatus and components
  • Properties of SF6 gas
  • Handling of SF6
  • Breakdown mechanism of SF6
  • Circuit breakers principles of operation
  • Arc interruption
  • Circuit breaker ratings

Day 2

  • Transient system models for switching transients
  • Transient recovery voltages
  • Rate of rise of re-striking voltages
  • Breaking capacity
  • Making capacity
  • Capacitive switching and prospective voltages due to shopping of inductive current

Day 3

  • Three phase short circuit switching
  • Modern SF6 switchgear
  • Maintenance of SF6 circuit breakers and switchgear
  • Important checks of sf6 switchgear during routine maintenance
  • Testing of SF6 switchgear according to standard
  • Oil and air circuit breakers
  • Maintenance of oil and air circuit breakers

Day 4

  • Modern vacuum switchgear
  • Maintenance of vacuum circuit breakers
  • Important checks of vacuum circuit breakers during maintenance
  • Testing of vacuum switchgear according to standards
  • Earthing of switchgear substations
  • Power earthing and safety earthing

Day 5

  • Switching requirements for stable operation and for safety
  • Electrical switching phenomena
  • Comparison of different types for various switching duties
  • Gas insulated switchgear
  • Mechanical rated life of a switching device
  • Contact travel characteristics of HV and MV circuit breakers

Course Methodology

A variety of methodologies will be used during the course that includes:

  • (30%) Based on Case Studies
  • (30%) Techniques
  • (30%) Role Play
  • (10%) Concepts
  • Pre-test and Post-test
  • Variety of Learning Methods
  • Lectures
  • Case Studies and Self Questionaires
  • Group Work
  • Discussion
  • Presentation

Who should attend

Electrical power engineers and advanced operating staff of substations, electrical distribution networks and transmission.

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