Polymeric Ablation Induced by Free Burning Arcs in Air

Authors

  • M. Bator ABB Corporate Research Center Switzerland, Segelhofstrasse 1K, 5405 Baden-Daettwi
  • R. Bianchetti ABB Corporate Research Center Switzerland, Segelhofstrasse 1K, 5405 Baden-Daettwi
  • P. Suetterlin ABB Corporate Research Center Switzerland, Segelhofstrasse 1K, 5405 Baden-Daettwi

DOI:

https://doi.org/10.14311/ppt.2017.2.149

Keywords:

free burning arcs, low voltage switchgear, plasma properties, polymeric ablation, thermo-plastics

Abstract

We investigate the influence of switching arcs on different polymers and their interaction. We describe a set of experiments on a simplified model geometry typical for low voltage switchgear. In a broad range of experimental conditions and parameters such as arc current, polymeric material or contact material, the voltage, the mass loss and the corresponding pressure build-up are examined. From this raw data, we deduce the arc influence on the ablation process as well as the feedback on some arc plasma properties.

References

Y. Okano et al. Quenching performance of air arc discharge with polymer insulators. 20th Int. Conf. onGas Disch. and Their Appl., 745(A39):199–202, 2014.

R.J. Young and P.A. Lovell. Introduction to Polymers. Third Edition. CRC Press, 2011.

ABB. Internal communication/publication.

Y. Cressault and A. Gleizes. Thermal plasma properties for Ar-Al, Ar-Fe and Ar-Cu mixtures used in welding plasma processes: I. net emission coefficients at atmospheric pressure. J. Phys. D: Appl. Phys, 46:415206, 2013. doi:10.1088/0022-3727/46/41/415206.

S. Franke et al. Temperature determination in copper-dominated free-burning arcs. J. Phys. D: Appl. Phys., 47:015202, 2014. doi:10.1088/0022-3727/47/1/015202.

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Published

2017-02-11

Issue

Vol. 4 No. 2 (2017)

Section

Articles

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