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Circuit breaker GL type - above 250 kV
Operation and Maintenance or Erection and Commissioning (V5642)
Duration
3-4 days
Who should attend?
Technicians involved in the installation and maintenance of high voltage substations.
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What will I learn from this course?
- Apply the maintenance procedures of the GL Circuit breaker and the associated mechanism*
- Perform the erection and the commissioning of the high voltage circuit breaker**
- Carry out corrective maintenance in case of minor failure
- Apply the safety rules
Topics
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SF6 circuit breakers
- Presentation of the SF6 Circuit breakers GL range
- Pole architecture, operating sequences of interrupting chamber
- Breaking electrical phenomena
- Arc extinguishing
- Precautions and security
Spring operating mechanism FK3
- General remarks, security provision
- Operating principle (kinematics, energy transfer)
- Breakdown repair methodology, interchangeability
SF6 monitoring
- SF6 monitoring device, SF6 pressure variation curves
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Maintenance and tooling for high voltage circuit breakers*
- Maintenance plan, dedicated tooling for maintenance
- Wear measurements of contacts
- Spring operating mechanism LV diagrams
- LV diagrams: special functions, possible options
Erection and commissioning of high voltage circuit breakers**
- Erection and adjustment of the circuit breaker
- Measurements for commissioning
- First trouble-shooting during commissioning
*topic trained in module “Operation & Maintenance”
**topic trained in module “Erection & Commissioning”
Note: Practical work may differ, depending on the materials available on site and the time available for the chosen training. Please don’t hesitate to contact us for more details
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Learning path
| Prerequisites |
V5642 |
Next step |
| Fundamentals of electricity and mechanics |
This course |
V8142-V8342 |
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