Effect of arc time on the current breaking capability of vacuum interrupters

@article{Taylor2013EffectOA,
  title={Effect of arc time on the current breaking capability of vacuum interrupters},
  author={Erik D. Taylor and Andreas Lawall and Jorg Genzmer and T. Heydenreich},
  journal={2013 2nd International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST)},
  year={2013},
  pages={1-4}
}
Vacuum interrupters on medium voltage power systems need to interrupt short-circuit currents over a wide range of arc times. Synthetic testing allows the careful study of the interruption performance over arc times ranging from 0 to 13.3ms for a 50Hz system. Comparing the interruption performance as a function of arc time observed in single- and three-phase direct testing and single-phase synthetic testing gives good agreement. This agreement extends over different rating points, different… CONTINUE READING

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