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Generator circuit breaker FKG1
Maintenance and breakdown repair (V9542)
Duration
3 days
Who should attend?
Technicians involved in the operation and maintenance on generator Circuit breakers up to 1 000 MW per unit
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What will I learn from this course?
- Understand the operation of generator circuit breakers contextually
- Apply the maintenance procedures of the combined FKG1, SKG, MKG, IKG and the associated mechanisms
- Carry out corrective maintenance in case minor failure
- Apply the safety rules during the maintenance
- Improve equipment performance
Topics
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Sulphur hexafluoride SF6
- Precautions and security, handling and recovery
Breaking electrical phenomena
Development of SF6 generator circuit breakers
- Display steps of extinguishing in SF6
- Arc extinguishing
Presentation of the SF6 circuit breakers
- FKG2
- Range FKG, pole architecture, operating
- Sequences of interrupting chamber
Mechanical control mechanism FK3/4
- General remarks, security provision
- Operating principle (kinematics, energy transfer)
- Breakdown repair methodology, interchange ability
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Maintenance and tooling for SF6 circuit breakers FKG2
- Maintenance plan, dedicated tooling for maintenance
- Wear measurement of contacts
Mechanical control mechanism LV diagrams
- LV diagrams: special functions, possible options
SF6 monitoring
- SF6 monitoring device, density switch, SF6 pressure variation curves filling valve
Practical work on Circuit breakers with associated control mechanisms
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Learning path
| Prerequisites |
V9542 |
Next step |
| Fundamentals of electricity and mechanics |
50% Practical 50% Theoritical |
V8412 |
This training can be provided on site at your own convenience.Practice on real size material
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