A Highly Interactive Training Course On
LV and HV Circuit Breakers
Course Introduction
Circuit breakers are critical components in all electrical installations, ensuring the protection of both equipment and operators. This LV and HV Circuit Breakers training course provides a thorough overview of the essential knowledge needed for understanding both low and high voltage circuit breakers. The course covers key aspects such as construction, operation, arc quenching methods, maintenance, and testing for various types of circuit breakers. Circuit breakers are categorized based on their arc extinction methods, and this course will explore the different types, including oil, air, gas, and vacuum circuit breakers.
Participants will also learn efficient maintenance strategies tailored to each circuit breaker type, ensuring reliability and protection through condition-based maintenance in line with IEC standards.
Course Highlights:
- Understanding the different types of circuit breakers
- Operating principles of circuit breaker components
- Methods of arc quenching in circuit breakers
- Testing and evaluation of circuit breakers
- Maintenance practices for circuit breakers
Training Objectives
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 should Attend?
This LV and HV Circuit Breakers 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
Course Outline
- 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
- Air-Break
- Vacuum
- Gas
- Substation layouts
- Principles of arc extinction
- General construction principles
- Performance characteristics
- Arc chute functions
- 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
- 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
- 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
Providers and Associations
Certificates
- COPEX Certificate of Attendance will be provided to delegates who attend and complete the course
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Published training course fees are inclusive of the training venue, training manual, writing materials, lunch and coffee breaks with refreshments over the entire duration of the training course.
The training course fee can be settled by either:
- Bank transfer
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Our training courses will run for 5 hours per day. The standard daily timing is from 8:30 am – 3:30 pm including the coffee/tea breaks and lunch.
Our training courses courses are being held at five-star hotels in prime and iconic destinations across the globe. Cities such as Amsterdam, Barcelona, Dubai, Geneva, Istanbul, Kuala Lumpur, London, Houston, New York, Paris, Vienna, Zurich, etc.
Once officially registered, we can assist by providing the corporate rates provided by the hotel where the training course will be conducted. Early confirmation will enable us to secure the room at reduced rates
Our cancellation policy varies depending on the circumstances presented. Generally, cancellations must be initiated in formal writing at least 14 days prior to the commencement date of the training course. Further, the option to shift an existing registration to another training course on a later date is possible. Otherwise, a full refund will be initiated.
Delegates who will attend and successfully complete the training course will earn a COPEX Certificate of Completion. This certification is designed to validate the successful knowledge transfer, and that the desired learning objectives and outcomes to further advance your professional competency are achieved.

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