NDLI: Spectroscopic Imaging Observation of Break Arcs using a High-speed Camera

Content Provider	IEEE Xplore Digital Library
Author	Sekikawa, J. Kubono, T.
Copyright Year	2007
Description	Author affiliation: Shizuoka Univ., Hamamatsu (Sekikawa, J.; Kubono, T.)
Abstract	Break arcs occurring between electrical contacts are observed in DC42V resistive circuit using a high-speed camera. Materials of contact pairs are Ag or Ag/ZnO. The break current is 10A. Spectroscopic images are obtained using the high-speed camera with optical band pass filters. The filters are attached on the lens to observe only the Agl 521 nm or ZnI 481 nm spectrum images, respectively. The time evolutions of these images are discussed. The following results are obtained. For Ag/ZnO contacts, the intensity of the images of Ag spectrum line is almost same for the cases of the long and short arc-durations. On the other hand, the intensity of Zn spectrum line for the case of short arc-duration is higher than that of long arc-duration. These results show the existence of Ag rich layer on the contact surface for the case of long arc-duration and the higher evaporation rate of ZnO for the case of short arc-duration.
Starting Page	275
Ending Page	279
File Size	930337
Page Count	5
File Format	PDF
ISBN	1424408377
DOI	10.1109/HOLM.2007.4318229
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spectroscopy Cameras Zinc oxide Contacts Optical filters Band pass filters Optical imaging Circuits Optical materials High speed optical techniques arc spot arc discharge high-speed camera spectroscopic measurement break arc
Content Type	Text
Resource Type	Article

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