IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Proposal of detection method of poor contacting on low voltage switch circuit by ultrasonic wave and diode commutation circuit
Hideki Hara, Koichi Nakamura
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Keywords: low voltage switch circuit, ultrasonic wave, diode commutation circuit, poor contact detection
JOURNAL FREE ACCESS

2001 Volume 121 Issue 3 Pages 413-414

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Abstract

This paper presents a detection method of poor contacting of low voltage switch in the normal current state under the legal scheduled inspection. This is an unique method using ultrasonic wave and a diode commutation circuit.

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