Assessing the Effectiveness of Oxidation Inhibitors for Electrical Connection between Aluminum Conductors

High transitional resistance at the joint between conductors may cause power losses and contribute to increased fire hazard on power facilities. This especially concerns aluminum conductors, because the interaction between aluminum and atmospheric oxygen gives rise to stubborn dielectric surface oxi...

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Bibliographic Details
Published in:Surface engineering and applied electrochemistry 2021-07, Vol.57 (4), p.507-512
Main Authors: Korobeinikov, S. M., Loman, V. A.
Format: Article
Language:English
Subjects:
Aluminum
Conductors
Contact resistance
Electric contacts
Engineering
High temperature
Inhibitors
Machines
Manufacturing
Oxidation
Oxidation resistance
Oxide coatings
Processes
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Summary:High transitional resistance at the joint between conductors may cause power losses and contribute to increased fire hazard on power facilities. This especially concerns aluminum conductors, because the interaction between aluminum and atmospheric oxygen gives rise to stubborn dielectric surface oxide film that considerably increases the transitional resistance. Use of oxidation inhibitors that can substantially reduce the contact resistance is one way to deal with this issue. Here, oxidation inhibitors produced in different countries are compared. The effectiveness of inhibitors is also studied at lower and elevated temperatures. Due to their relatively high effectiveness, the inhibitors can be recommended as a means to reduce the transitional resistance.
ISSN:1068-3755
1934-8002
DOI:10.3103/S1068375521040062