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EDF Power Networks Lab - Internal Arc Test News

By the end of 2019 we performed an internal arc withstand test on a 420 kV cable termination for the European cable manufacturer NKT,
accessories and cables provider.



 

The internal arc withstand test underwent the following constraints :
  • Build up a 4m high equipment on a 3,5 m high frame in a mounting hall
  • Carry the 7,5 m high structure to the testing area with a low-loader truck
  • Coordinate teams from several countries : German, Belgian, French, Greek and Swedish people
  • Apply a RMS current of 50 kA for 600 ms

This test is a success for the manufacturer, as the equipment correctly reacted to the explosion related to the internal fault. We are pleased to have been part of this achievement.

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