IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Paper
Proposal of a New Overload Setting Value Decision Method of DC Circuit Breaker for Traction Substation Using Statistical Processing
Yuta AokiSeiya IkehataSyuji WaritaTetsushi WatanabeHitoshi Hayashiya
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JOURNAL FREE ACCESS

2018 Volume 138 Issue 12 Pages 894-901

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Abstract

In a DC traction power supply system, the overload setting value of a DC circuit breaker is conventionally decided by a 130% value of monthly maximum value of traction load. In this paper, a novel method to derive the overload setting value by statistical calculations of the loads is proposed. It was confirmed that the proposed method can provide a more reasonable threshold value in some traction substations.

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© 2018 by the Institute of Electrical Engineers of Japan
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