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Dead tank circuit breakers - Operation and Maintenance or Erection and Commissioning (P003)
Dead tank circuit breakers
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 dead tank circuit breaker type HGF / DT 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
  • Gain understanding on how to operate and maintain equipment safely
Topics

SF6 circuit breakers

  • Live tank versus dead tank breaker design
  • Presentation of the HGF/DT circuit breaker range
  • Pole architecture, operating sequences of interrupting chamber
  • Breaking electrical phenomena
  • Arc extinguishing
  • Precautions and security

Operating mechanism

  • General remarks, security provision
  • Operating principle (kinematics, energy transfer)
  • Breakdown repair methodology, Interchangeability

SF6 monitoring

  • SF6 monitoring device, SF6 pressure variation curves

Maintenance and tooling for high voltage circuit breakers*

  • Maintenance plan, dedicated tooling for maintenance
  • Wear measurements of contacts
  • 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




Learning path
Prerequisites P003 Next step
Fundamentals of electricity and mechanics This course V8142-V8342
This training can be provided on site at your own convenience.