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An intensive professional development training course on

LV and HV Circuit Breakers

Why Choose this Training Course?

Circuit breakers are the most integral and important equipment in all electrical installation. The circuit breakers protect the assets and operators of an electrical installation.

This LV and HV Circuit Breakers training course will present a comprehensive capsule of all the knowledge essential for the low voltage and high voltage types of circuit breaker. The course focuses mainly on the construction, operation, methods of arc quenching, maintenance and testing of the various types of circuit breakers. The circuit breakers are classified and named according to the methods of arc extinction. This training course will discuss the various aspects of the oil, air, gas and vacuum circuit breakers. The efficient maintenance strategies upon the type of circuit breakers ensures its reliability and protection by conditioned base maintenance in compliance with IEC Standards.

This training course will feature:

  • Understanding the types of circuit breakers
  • Operation of the components of the circuit breakers
  • Types of arc quenching methods in circuit breakers
  • Testing of circuit breakers
  • Maintenance of circuit breakers

 

What are the Goals?

By the end of this training course, participants will be able to:

  • Understand the role and importance of circuit breakers
  • Determine the components and operations of circuit breakers
  • Explain the different types of maintenance and testing for circuit breakers
  • Care and monitoring of SF6 circuit breakers
  • Comprehend the importance of the efficient operation of circuit breakers

 

 Who is this Training Course for?

This training course will benefit all levels of professional in an electrical installation. It will enable them to understand operations and maintenance of low and high voltage circuit breakers and switchgears in compliance with IEC Standards.

This training course is suitable to a wide range of technical professionals but will greatly benefit:

  • Operations & maintenance engineers, supervisors & technicians
  • Maintenance technicians
  • Electrical Support Engineer- Maintenance Operations
  • Electrical Superintendent-Power Station
  • Power Station Technicians

 

How will this Training Course be Presented?

This course will utilise a variety of proven adult training techniques to ensure maximum understanding, comprehension and retention of the information presented. This includes presentation and discussion of latest videos and technologies on low and high voltage circuit breakers.

Questions are encouraged throughout, particularly at the daily wrap up sessions. This provides opportunities for participants to discuss with the presenter specific issues and, if possible, find appropriate solutions. Specific goals of each participant will be discussed to ensure that their needs are fulfilled whenever practicable in compliance with IEC Standards.

 

The Course Content

Day One: Importance of Electrical Protection and Faults

  • Distinction between load and fault current
  • Sources of short-circuit current
  • Introduction to fault calculations
  • Balanced and unbalanced faults
  • Measurement - voltage and current transformers
  • Types of protection systems
  • The role and importance of the circuit breaker in power systems

 

Day Two: General Principles of Arc Extinction

  • Air-Break
  • Vacuum
  • Gas
  • Substation layouts
  • Principles of arc extinction
  • General construction principles
  • Performance characteristics
  • Arc chute functions

 

Day Three: Vacuum

  • History – The early years
  • The vacuum arc – An overview
  • Current interruption in vacuum
  • Methods of keeping the arc diffuse
  • Current chopping – general implications
  • Vacuum interrupters in series
  • Design of vacuum switchgear
  • Maintenance and testing requirements

 

Day Four: SF6 Gas

  • Properties of SF6
  • Principles of arc extinction
  • Features of construction
  • Insulation principles
  • Gas leak problems
  • Specific supervision requirements
  • Circuit power factor considerations
  • Maintenance and testing requirements

 

Day Five: Testing and Maintenance

  • Circuit breaker failure and the effects on power system operation
  • Testing instruments for circuit breakers
  • Circuit breaker inspection and routine tests
  • Maintenance strategies
  • Importance of circuit breaker maintenance
  • Remote monitoring of circuit breakers
  • Case studies
  • Wrap up session with Q&A

 

The Certificate

  • AZTech Certificate of Completion for delegates who attend and complete the course

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© 2022. Material published by Aztech shown here is copyrighted.

All rights reserved. Any unauthorized copying, distribution, use, dissemination, downloading, storing (in any medium), transmission, reproduction or reliance in whole or any part of this course outline is prohibited and will constitute an infringement of copyright.


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