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Fretting corrosion phenomenon is known as the main cause of contact resistance increasing in signal contact. But for power connectors this undesirable phenomenon in embedded systems is more complex because high current induces high voltages and subsequent Joule overheating can be expected during vibration. Our study deals with contact similar power connectors, ones submitted to vibration amplitudes...
The overall performance of listed Electric vehicle conductive charge couplers varies greatly based on engineering observations. In the field, excessive temperature rise at the connection between the charging station cord and the vehicle inlet has been noted. The temperature rise can be severe enough to damage the plastic coupler housings on both sides of the connection, and can occur in products that...
The electrical-thermal behavior of an electrical connector is determined by heat generation due to Joule heating and heat absorption by conduction, convection and radiation. Heat flow from the connector to the wire is an important heat absorption mechanism for most electrical connectors. The temperature difference between the connector and the wire at infinity is proportional to the axial heat flow...
High-voltage switchgear requires sliding and plug-in connections with rated continuous currents up to several kiloamperes and rated short-time withstand currents in the range of tens of kiloamperes. In these high power connections, spring loaded contact elements realize the electric and thermal contact of plug and socket. Contact elements transfer the total electric current of the main circuit and,...
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