Proceedings of the 2014 International Conference on Mechatronics, Electronic, Industrial and Control Engineering

Microstructure and Electrical Contact Performance of Wires in Corrosion Air

Authors
Jing Liang, Guogang Wang, Zhigang Kong, Xiaolu Zang
Corresponding Author
Jing Liang
Available Online November 2014.
DOI
10.2991/meic-14.2014.195How to use a DOI?
Keywords
power grid; electrical contact; overheating; corrosion; air pollution
Abstract

The high contact resistance of the corrosion products is more likely to cause contact failure. Based on service condition and natural environment of transmission and transformation equipment, the deterioration mechanism of electrical wires was investigated from the view of corrosion. The surface morphology of specimens after corrosion is observed by stereoscopic microscope and scanning electron microscope (SEM). Chemical constitution was examined by X-ray energy spectrum. The contact resistance was measured by four-point method. The experiment results show that the corrosion is mainly electrochemical corrosion. Humidity and air pollutants are the main factors of effecting the corrosion. The corrosion products formed on the surface layer of testing specimens is loose and uneven, and easy to fall off in the role of external force. The inner corrosion layer is dense and combined closely with the substrate. The EDS analysis results there is large quantity of O and S, and Cu oxide and sulfide are probably existed. The corrosion and pollution which come from the surrounding environment can increase the static contact resistance obviously, and the maximum value can reach to about 2000m .

Copyright
© 2014, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Volume Title
Proceedings of the 2014 International Conference on Mechatronics, Electronic, Industrial and Control Engineering
Series
Advances in Engineering Research
Publication Date
November 2014
ISBN
978-94-62520-42-4
ISSN
2352-5401
DOI
10.2991/meic-14.2014.195How to use a DOI?
Copyright
© 2014, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Cite this article

TY  - CONF
AU  - Jing Liang
AU  - Guogang Wang
AU  - Zhigang Kong
AU  - Xiaolu Zang
PY  - 2014/11
DA  - 2014/11
TI  - Microstructure and Electrical Contact Performance of Wires in Corrosion Air
BT  - Proceedings of the 2014 International Conference on Mechatronics, Electronic, Industrial and Control Engineering
PB  - Atlantis Press
SP  - 873
EP  - 876
SN  - 2352-5401
UR  - https://doi.org/10.2991/meic-14.2014.195
DO  - 10.2991/meic-14.2014.195
ID  - Liang2014/11
ER  -