Automatic Measurement of Critical Point and Features of Breaking Arc Voltage in Ag Contacts

Hideaki SONE  Masao NAKAI  Tasuku TAKAGI  

IEICE TRANSACTIONS (1976-1990)   Vol.E70    No.11    pp.1051-1053
Publication Date: 1987/11/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: Special Section LETTER (Special Issue: Papers from 1987 National Conference on Semicondutor Devices and Materials IEICE)
Category: Electromechanical Components

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A method for automatic detection of a critical point in voltage waveform in breaking contact arc has been developed. The point and a transition term from metallic to gaseous phase were detected by searching a peak in voltage fluctuation. Each phase differed in feature of corresponding waveform such as the gradient and the fluctuation.