NPT05 - Overcurrent Protection

 

NPT05 - Overcurrent Protection Training

Course Topics

  • Co-ordination procedure
  • Principles of time/current grading
  • Standard I.D.M.T. overcurrent relays
  • Combined I.D.M.T. and high set instantaneous overcurrent relays
  • Very Inverse (VIT) overcurrent relays
  • Extremely Inverse (EIT) overcurrent relays
  • Other relay characteristics
  • Independent (definite) time overcurrent relays
  • Relay current and time settings
  • Calculation of phase fault overcurrent relay settings
  • Directional phase fault overcurrent relays
  • Protection principles of ring mains
  • Voltage controlled overcurrent relays
  • Earth fault protection
  • Directional earth fault overcurrent protection
  • Earth fault protection on insulated networks
  • Earth fault protection on Petersen Coil earthed networks
  • Earth fault protection on resistor earthing networks
  • Application of time and current grading

 

Objectives

  • Give detail insight into the overcurrent protection relays and their operating principles

 

Audience

  • Protection relay engineers

 

Duration

  • 1 day
  • %80 theoretical, %20 practice

 

Date / Place / Price

Contact us: info@ttmenerji.com