Substation Equipment Course

Target Audience:

  • Operations and Maintenance Engineers
  • Protection, Control and Metering Engineers
  • Electrical fitters
  • Lines Workers
  • Minor Engineers
  • Distribution Substation Operators

Content/Module


  • Introduction to Circuit Breakers
  • Two main functions of circuit breakers.
  • The importance of extinguishing arcs quickly.
  • The roles of speed, distance, cooling, dielectric strength, and current zero in extinguishing arcs.
  • Circuit Breakers
  • The main arc extinguishing features of an air-magnetic circuit breaker.
  • How an arc is extinguished in an air-magnetic circuit breaker.
  • How an arc is extinguished in an air-blast circuit breaker.
  • Oil and Vacuum Circuit Breaker
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