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High and Medium Voltage > The KEMA laboratories > High Power Laboratory - NL > Our installation

High and Medium Voltage











Our installation



Four short-circuit generators
  • Each driven by electric motor
    o  16.6 Hz up to 60 Hz
    o  16.8 kV max
    o  100 kA max

  • Maximum Short-Circuit Power
    o  up to 10.000 MVA three phase scheme 
    o  up to   5.800 MVA single phase    



Circuit Breakers (If you do not clear, we will)
  • 16.8 kV – 165 kArms
  • Opening time: 6 ms
  • Half cycle protection of objects 

Make switches
  • 15 kV – 250 kApeak
  • Closing time repeatability <5°   



Transformers
  • Up to 245 kV, three phase
  • Up to 430 kV, single phase   



Circuit is controlled by computer and PLC


Installation for Synthetic tests
  • Current injection 
  • Voltage injection
    o  Single-phase test, 550 kV, single break
    o  Three-phase test, up to 300 kV (incl. 6-phase reignition)




Our Switchyard







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