NDLI: Influence of nickel content on various characteristics of AgNi contacts for electromagnetic contactors

Content Provider	IEEE Xplore Digital Library
Author	Yoshida, Kiyoshi Sawa, Koichiro Suzuki, Kenji Takaya, Kouetsu
Copyright Year	2014
Description	Author affiliation: Fuji Electric FA Components & Systems Co., Ltd., Konosu-shi Saitama-ken, Japan (Suzuki, Kenji; Takaya, Kouetsu) \|\| Nippon Institute of Technology, 4-1 Gakuendai, Miyashiro-machi, Saitama-ken, Japan (Yoshida, Kiyoshi; Sawa, Koichiro)
Abstract	The silver nickel contact material is widely used as contacts of the electromagnetic contactor. Experiments have been carried out to clarify the influence of nickel content on various characteristics, such as arc duration, contact resistance, arc energy and electrode mass change. There are six kinds of contacts used, that is, Ag, AgNi5%, AgNi0% AgNi15% AgNi20% and AgNi30% The source voltages are DC-100V, load current is set to 5A constant, and an electromagnetic contactor is operated continuously up to 100,000 times by generating only break arc. Consequently, it can be made clear that arc duration is almost the same, about 3.2ms at all nickel content. However, the contact resistance becomes larger as the nickel content increased. Further, the relation between electrode mass change and arc energy is experimentally obtained. The cathode loss per unit arc energy is minimized when the content of nickel is 20%, it is about 0.08μg/J. On the other hand, the maximum of the cathode loss per arc energy is 0.14μg/J at the nickel content of 5%.
Starting Page	1
Ending Page	5
File Size	795728
Page Count	5
File Format	PDF
e-ISBN	9781479960682
DOI	10.1109/HOLM.2014.7031053
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nickel Contactors Contact resistance Cathodes Electromagnetics electrode mass change electromagnetic contactor AgNi contact nickel content arc energy
Content Type	Text
Resource Type	Article

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