High Current AC Break Arc Contact Erosion

@inproceedings{Shea2008HighCA,
  title={High Current AC Break Arc Contact Erosion},
  author={John Joseph Shea},
  year={2008}
}
Contact break arc erosion fundamentals applicable to high power switching devices in air (e.g. air- magnetic circuit breakers and contactors) are reviewed along with recent results showing dominant factors that affect contact erosion in the range of 3 kAp to 22 kAp. Background covers a review of arc plasma theory pertaining to contact erosion in air at atmospheric pressure including metallic bridge formation, metallic-to-gaseous arc phase transition, plasma sheath formation, anode and cathode… CONTINUE READING

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