This workshop is designed to update participants with the latest development of Circuit Breakers and to present some of the more common and updated aspects of low, medium and high voltage switchgear maintenance. It must be understood that there is an incredible variety of equipment used on low, medium and high voltage switchgear today. Switchgears play an important role in the distribution and control of electrical power in manufacturing or power plant and in a utility distribution system. Negligent maintenance practices can lead to power system inefficiency and loss of system reliability.
This course is designed to enable participants to:
• List the voltage convention classifications used in this course.
• Describe switchgear construction.
• Describe a ground fault relay system.
• Describe the three basic types of low and medium voltage circuit breaker contacts.
• Describe the molded case circuit breaker.
This course is recommended for skilled trades, supervisors, and anyone involved in the maintenance of industrial power circuit breakers
1. General Introduction
• Electrical engineering basic concepts
• Three phase review and per unit
• Voltage levels
• One line and three line diagram
• Generation system layout
• Transmission system layout
• Substation system layout
• Distribution system layout
2. Industrial Switchgears
• Fuses
• Auto-reclosers
• Automatic sectionalizer
• Circuit Breakers
• Isolator switches
• Load switches
• Relays
• Current transformers
• Voltage transformers
3. CB Design Specification Based on Short Circuit Current Level
• Per unit system
• Faults on power systems
• Transient phenomena in power system.
• Symmetrical component analysis of three phase network
• Network connection for various fault types
• Current and voltage distribution in system due to a fault
• Effect of system on zero sequence quantities
• Computer programs based short circuit calculation.
4. CB Design Specification Based on Arc Phenomena and Circuit Interruption
• Arc phenomena
• Maintenance of the Arc
• Properties of Arc
• Arc Interruption theory
• Circuit Breaker Rating
• Circuit constants and circuit conditions
• Conditions of severity
• Restriking voltage transient
• Class A ultra fast transients
• Class B system transients
• Class C low transients
• Transmission line transient
• Switching transients
• Duties of Switchgear
5. LV Circuit Breakers
• Low voltage molded case current limiting circuit breakers
• Low voltage molded case circuit breakers with high breaking capacity
• Insulated case circuit breakers
• Low voltage air circuit breakers
• Low voltage circuit breakers specification
6. Modern MV and HV Vacuum CB
• Introduction
• Advantages of vacuum interruption
• Vacuum contactors and interrupters
• The vacuum medium
• The vacuum arc
• Vacuum arc stability
• Vacuum break down
• Vacuum switch construction
• Applications of vacuum circuit breakers
7. Modern MV and HV SF6 CB Introduction
• Basic Features of SF6 Breakers
• Dielectric properties of SF6
• Quenching properties of SF6
• Construction of SF6 breaker
• SF6 CB types
• Puffer type SF6 breakers
• Double Pressure System
• Single Pressure Puffer-Piston System
• Single Pressure Self Blast System
• Improvement in SF6 Breakers for HV
8. Other Type of Circuit Breakers
a) Air Circuit Breakers
• Method of increasing arc resistance
• Plan break type
• Magnetic blow out type
• Arc splitter type
• Application
• Construction and operation
• Axial air CB
• Blast air CB
b) Oil Circuit Breakers
• Arc rupture under oil
• Advantages of oil
• Disadvantages of oil
• Plan break oil circuit breakers
• Arc control circuit oil breakers
• Minimum oil circuit breakers
• Construction and operation
c) Dc Circuit Breakers
• Construction
• Methods of interruption
• Application
9. Circuit Breaker Inspection, Maintenance and Services
• Inspection
• General inspection technical procedure
• Daily inspection of circuit breakers
• Monthly inspection of circuit breakers
• Annual inspection of circuit breakers
• Disassembly
• Cleaning
• Tightening
• Lubrication
• Equipments used in testing
• Testing procedure
• Direct testing
• Contact resistance test.
• Insulation resistance test
• Test report
• Indirect testing
• One hour Video, HV CB Maintenance and Repair)
10. Circuit Breakers Control, Protection and Testing
• Switchgears control devices and wiring
• Switchgears protection devices and wiring
• Testing Classification
• Testing laboratories
• Description of a simple testing station
11. CB Troubleshooting
Course Title | Duration | Class Room/ Online | Fees |
---|---|---|---|
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-06-17 2024-06-21 |
Class Room
Istanbul-(Turkey)
|
3450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-07-15 2024-07-19 |
Class Room
Rome-(Italy)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-07-22 2024-07-26 |
Class Room
Zagreb-(Croatia)
|
5450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-08-04 2024-08-08 |
Class Room
Muscat-(Oman)
|
3950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-08-05 2024-08-09 |
Class Room
Baku-(Azerbaijan)
|
5450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-08-12 2024-08-16 |
Class Room
Stockholm-(Sweden)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-08-12 2024-08-16 |
Class Room
Cyprus-(Larnaka)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-08-18 2024-08-22 |
Class Room
Sharm-ElShaikh-(Egypt)
|
3450 € |
Course Title | Duration | Class Room/ Online | Fees |
---|---|---|---|
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-08-19 2024-08-23 |
Class Room
Jakarta-(Indonesia)
|
4450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-08-19 2024-08-23 |
Class Room
Vienna-(Austria)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-09-02 2024-09-06 |
Class Room
Madrid-(Spain)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-09-02 2024-09-06 |
Class Room
Prague-(Czech-Republic)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-09-16 2024-09-20 |
Class Room
Berlin-(Germany)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-10-06 2024-10-10 |
Class Room
Hurghada-(Egypt)
|
3450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-10-28 2024-11-01 |
Class Room
Beijing-(China)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-11-04 2024-11-08 |
Online
ONLINE
|
1950 € |
Course Title | Duration | Class Room/ Online | Fees |
---|---|---|---|
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-11-04 2024-11-08 |
Online
ONLINE
|
1950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-11-24 2024-11-28 |
Class Room
Kuwait-(Kuwait)
|
3950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-11-24 2024-11-28 |
Class Room
Manama-(Bahrain)
|
3450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-11-25 2024-11-29 |
Class Room
Florence-(Italy)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-12-02 2024-12-06 |
Class Room
Amsterdam-(Netherlands)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-12-16 2024-12-20 |
Class Room
Bangkok-(Thailand)
|
5450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2024-12-23 2024-12-27 |
Class Room
Kuala-Lumpur-(Malaysia)
|
4950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-01-20 2025-01-24 |
Class Room
Marbella-(Spain)
|
5950 € |
Course Title | Duration | Class Room/ Online | Fees |
---|---|---|---|
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-01-20 2025-01-24 |
Class Room
Budapest-(Hungary)
|
5450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-01-26 2025-01-30 |
Class Room
Casablanca-(Morocco)
|
3950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-01-26 2025-01-30 |
Class Room
Amman-(Jordan)
|
3450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-01-26 2025-01-30 |
Class Room
Doha-(Qatar)
|
3950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-01-27 2025-01-31 |
Class Room
Copenhagen-(Denmark)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-01-27 2025-01-31 |
Class Room
Yerevan-(Armenia)
|
5450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-02-03 2025-02-07 |
Class Room
Hamburg-(Germany)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-02-10 2025-02-14 |
Class Room
Zurich-(Switzerland)
|
5950 € |
Course Title | Duration | Class Room/ Online | Fees |
---|---|---|---|
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-02-10 2025-02-14 |
Class Room
New-York-(US)
|
7450 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting | 2025-02-17 2025-02-21 |
Class Room
Brussels-(Belgium)
|
5950 € |
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
LV_MV_HV Circuit Breakers (Switchgear): Inspection, Maintenance, Design, Repair & Troubleshooting
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Training services provider in the Kingdom of Sweden
Registration number : 7431 - 559173