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Circuit breakers HGF-FX-FXT-S1 type
Operation and maintenance (P002)
Circuit breakers HGF-FX-FXT-S1 type

3 days

Who should attend?

Technicians involved in the operation and maintenance of High Voltage substations, engineers working in HV substations

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What will I learn from this course?
  • Gain understanding on how to operate and maintain equipment safely
  • Apply the maintenance procedures of the HGF-FX-FXT-S1 circuit breaker and its associated mechanisms
  • Carry out corrective maintenance in case of minor failure

Circuit breaker safety

Sulphur Hexafluoride SF6

  • Precautions and safety
  • Manipulation and recovery

Breaking electrical phenomena

Development of SF6 circuit breakers

  • Steps of extinguishing in SF6
  • Arc extinguishing

Presentation of the HGF-FX-FXT or S1 range

  • Pole architecture
  • Sequences of interrupting chamber

Control mechanism

  • Safety provision
  • Operating principle
  • Breakdown repair methodology, interchangeability

Maintenance and tooling

  • Maintenance schedule
  • Dedicated tooling
  • Wear measurements of contacts
  • Control mechanism LV diagrams
  • LV diagrams: special functions, possible options

SF6 Monitoring

  • SF6 monitoring device
  • Pressure variation curves
Learning path
Prerequisites P002 Next step
Fundamentals of electricity and mechanics 50% Practical-50% Theoretical V8142
This training can be provided on site at your own convenience.