Analysis of Tracking Phenomena of Attachment Plug and Discussion about Detection Timing of Tracking

Tracking of an attachment plug of power supply cord is one of the main causes of fire accidents originating from electric equipment. Some anti-tracking attachment plugs and circuit breakers with a function of tracking detection are commercially available, but the number of fire accidents does not de...

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Bibliographic Details
Published in:Denki Gakkai ronbunshi. D, Sangyō ōyō bumonshi 2022/07/01, Vol.142(7), pp.533-540
Main Authors: Lin, Wenyi, Mizuno, Yukio
Format: Article
Language:Japanese
Subjects:
Accidents
Attachment
attachment plug
Circuit breakers
Electric equipment
Fire prevention
insulation resistance
Leakage current
Plugs
temperature
tracking
Tracking devices
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Summary:Tracking of an attachment plug of power supply cord is one of the main causes of fire accidents originating from electric equipment. Some anti-tracking attachment plugs and circuit breakers with a function of tracking detection are commercially available, but the number of fire accidents does not decrease. In this paper, as a preliminary stage to establish a more reliable fire prevention system from tracking of attachment plugs, development of tracking is evaluated based on results of surface observation, leakage current, temperature and resistance. It is suggested that phenomena during tracking inception and fire ignition of attachment plugs could be separated into four stages. The timing of tracking detection is also discussed.
ISSN:0913-6339
2187-1094
1348-8163
2187-1108
DOI:10.1541/ieejias.142.533