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A spectroscopic detecting system for measuring the temperature distribution of silver breaking arc using a CCD color camera

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2 Author(s)
M. Takeuchi ; Nagoya Municipal Ind. Res. Inst., Japan ; T. Kubono

This paper describes a spectroscopic detecting system that utilizes a CCD color camera to observe the distributions of two spectral intensities along the axis of an arc column. Following this, the distributions of Ag I 421 nm and Ag I 547 mm spectra observed along the axis of an arc column and the arc temperature calculated from the two spectra when silver contacts interrupt a circuit of dc 50 V and 3.3 A are presented. The spectral intensities of excited silver atoms are strongest near the cathode and become weaker with distance from the cathode contact. The temperature in the cross section of an arc column is highest in the axis of the arc column. The temperature along the axis of arc column is highest near the cathode and becomes weaker with distance from the cathode. Furthermore, in this study it is clarified that CN band spectra exist near the anode contact

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:48 ,  Issue: 3 )