NDLI: Current distribution and thermal effects analysis on the sliding contact arrangement in circuit breaker

Content Provider	IEEE Xplore Digital Library
Author	Ning Du Yonggang Guan Weidong Liu Shengzhu Jin Michel Collod
Copyright Year	2008
Description	Author affiliation: AREVA T&D, Montpellier (Michel Collod) \|\| Dept. of Electr. Eng., Tsinghua Univ., Beijing (Ning Du; Yonggang Guan; Weidong Liu; Shengzhu Jin)
Abstract	This paper focuses on the current distribution and thermal effects of the sliding contact arrangement used in high voltage circuit breaker to allow the switching operation of the breaking chamber. Calculation results from ANSYS show that the currents flowing through different contacts are not equal, which may lead to overheating risk onto some contacts. Both steady and transient thermal effects analysis have been carried out. The influences of different factors, such as the size of conductors and contacts, structure and contact resistance of the sliding contact arrangement, on current and temperature distribution have been investigated. Several optimizing measures have been presented.
Starting Page	447
Ending Page	451
File Size	478651
Page Count	5
File Format	PDF
ISBN	9781424438266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	IEEE Consumer Electronics Society(CES)
Subject Keyword	Current distribution Circuit breakers Conductors Conducting materials Thermal engineering Transient analysis Contact resistance Temperature distribution Electrical resistance measurement Voltage ANSYS sliding contact arrangement current distribution thermal effects
Content Type	Text
Resource Type	Article

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