sliding electrical contacts
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scholarly journals Liquid metal sliding contacts for electric machines

2021 ◽  
Vol 2094 (4) ◽  
pp. 042044
Author(s):  
A V Egorov ◽  
Yu F Kaizer ◽  
A V Lysyannikov ◽  
A V Kuznetsov ◽  
Yu N Bezborodov ◽  
...  
Keyword(s):  
Liquid Metal ◽  
Operating Mode ◽  
Electrical Equipment ◽  
Electric Machines ◽  
Electrical Contacts ◽  
Sliding Contact ◽  
Sliding Contacts ◽  
Friction Mode ◽  
Sliding Electrical Contacts ◽  
Sliding Electric Contact

Abstract The electric sliding contact in the brush mechanism is one of the most unreliable components of electric machines of alternating and direct current and other electrical equipment in which the transmission of electric current is carried out using sliding contacts that require fairly frequent maintenance and can be a source of sparking. It is possible to increase the reliability and efficiency of electric machines with sliding electric contacts by replacing the dry friction mode with the liquid friction mode in the sliding electric contact. The most appropriate material for use in the construction of a liquid metal sliding contact is gallium. When replacing the sliding electrical contacts of asynchronous electric machines with a phase rotor from traditional solid to liquid metal gallium, it is possible to increase their power up to 1.4 times due to the availability of a higher thermal operating mode.

Nanostructures in the Formation of the Properties of High-Current Sliding Electrical Contacts on the Electric Rolling Stock

2019 ◽  
Author(s):  
Ustymenko Dmytro ◽  
Mukha Andrii ◽  
Baliichuk Oleksii ◽  
Kurylenko Olena ◽  
Romanov Serhii ◽  
...  
Keyword(s):  
Electrical Contacts ◽  
Rolling Stock ◽  
High Current ◽  
Electric Rolling Stock ◽  
Sliding Electrical Contacts

Study on the conductive and tribological properties of copper sliding electrical contacts lubricated by ionic liquids

2019 ◽  
Vol 130 ◽  
pp. 27-35 ◽  
Author(s):  
Zhengfeng Cao ◽  
Yanqiu Xia ◽  
Luhuan Liu ◽  
Xin Feng
Keyword(s):  
Ionic Liquids ◽  
Tribological Properties ◽  
Electrical Contacts ◽  
Sliding Electrical Contacts

Influence of contact parameters on the tribological behaviour of various graphite/graphite sliding electrical contacts

Wear ◽  
2018 ◽  
Vol 406-407 ◽  
pp. 75-83 ◽  
Author(s):  
Dejan Poljanec ◽  
Mitjan Kalin ◽  
Ludvik Kumar
Keyword(s):  
Electrical Contacts ◽  
Tribological Behaviour ◽  
Sliding Electrical Contacts ◽  
Contact Parameters

Sliding Electrical Contacts (Graphitic Type Lubrication)

2017 ◽  
pp. 1041-1079
Author(s):  
Kiochiro Sawa ◽  
Erle I. Shobert
Keyword(s):  
Electrical Contacts ◽  
Sliding Electrical Contacts

Tribological characteristics of low-voltage sliding electrical contacts of gold alloys

2016 ◽  
Vol 37 (5) ◽  
pp. 482-488
Author(s):  
K. N. Generalova ◽  
I. V. Ryaposov ◽  
A. A. Shatsov
Keyword(s):  
Low Voltage ◽  
Electrical Contacts ◽  
Tribological Characteristics ◽  
Gold Alloys ◽  
Sliding Electrical Contacts
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