A heavy-current cable, in particular a charging cable, has an outer jacket, a number of heavy-current cores which extend in the longitudinal direction, and at least one cooling jacket with at least one hollow chamber extending in the longitudinal direction for conducting a coolant. A power supply system, in particular a charging system for a hybrid or electric vehicle, has such a corresponding heavy-current cable.

A temperature-controllable power line apparatus having: a tubular fluid line element made of an electrically conductive material, in particular metal, preferably copper or aluminum, including corresponding alloys; at least two openings of the fluid line element, which openings are preferably arranged at different ends of the fluid line element; and a free space inside the fluid line element, which free space provides a fluid-guiding connection between the two openings. A strand having a plurality of strand wires, preferably made of copper, is guided fluid line element; the free space extends at least in regions along the fluid line element around the strand; and the strand or the strand wires in at least one connection region is/are placed on the fluid line element, preferably pressed, or vice versa. A method for producing a temperature-controllable power line apparatus and a method for temperature-controlling a power line are further provided.

A connector apparatus for an electric charging cable, such as for use with a charging station and an electric vehicle, the connector apparatus comprising: a connector block having a first end and a second end, the first end having one or more connectors configured to pass electrical energy through an electric cable; the electric cable having an end portion that is fixed within the connector block, the electric cable extending out of the connector block from the second end of the connector block and configured to transfer electric current; and a plurality of heat pipes having fixed ends fixed within the connector block and having exposed ends extending out of the second end of the connector block, the plurality of heat pipes configured to dissipate heat from the connector block through the exposed ends of the plurality of heat pipes.

An electric line arrangement, in particular a charging cable for a motor vehicle, having at least one electrically conductive lead which can be placed in electrical contact at its ends in order to transmit electrical energy, an insulation layer which surrounds the lead circumferentially, and a coolant duct in which a cooling fluid for cooling the lead is conducted, wherein the insulation layer is spaced apart from the lead, and the coolant duct is formed between the insulation layer and the lead in such a way that the cooling fluid flows directly around the lead.

A charging cable includes a ground conductor and extending in a longitudinal direction, at least two heavy-current power wires for conducting positive and negative direct current, each comprising a power conductor and insulation, the heavy-current power wires extending parallel to the ground wire, a liquid tight inner sheath extending in the longitudinal direction and surrounding the heavy-current power wires to define a first hollow area between and around the heavy-current power wires, liquid coolant being provided between the heavy-current power wires along the longitudinal direction, wherein the liquid tight inner sheath comprises a second hollow area extending in the longitudinal direction, arranged adjacent to at least one of the heavy-current power wires and comprising liquid coolant to flow within the second hollow area, and a liquid tight outer sheath extending in the longitudinal direction and surrounding the inner sheath and the ground heavy-current wire.

The present disclosure relates to an electric vehicle charging cable, in which a cooling fluid is used to efficiently cool heat generated during charging of an electric vehicle, a thermally conductive material is added as well as the cooling fluid to improve cooling performance, thereby preventing damage to inner components due to heat, safety accidents such as fire are prevented, and a diameter of the cable is minimized.

The present disclosure provides a cable, a cable cooling device, and a vehicle. The cable includes a cable body and a cooling jacket, where the cooling jacket is wound around the cable body; and the cooling jacket is provided with a lumen, is connected to an inlet joint of water and a return joint of water which communicate with the lumen, and is constructed so that cooling liquid enters the lumen through the inlet joint of water and flows out through the return joint of water. With the present disclosure, the technical problem that the cable is difficult to cool is solved.

The present invention discloses a liquid cooling heat dissipation cable which comprises an insulating sheath, a plurality of signal transmission lines, a plurality of power lines, a PE cable, an oil supply pipe and at least two liquid cooling heat dissipation spiral metal transmission copper cable structures. The plurality of signal transmission lines, the plurality of power lines, the PE cable, the oil supply pipe and the at least two liquid cooling heat dissipation spiral metal transmission copper cable structures are all arranged in the insulating sheath, and the at least two liquid cooling heat dissipation spiral metal transmission copper cable structures are arranged in the insulating sheath and used for signal transmission and heat dissipation, and the oil supply pipe is used for supplying liquid cooling oil to the liquid cooling heat dissipation spiral metal transmission copper cable structures.

A high voltage power conductor assembly includes a tubular electrical conductor having an inner surface with protrusions that define a channel for receiving coolant from a cooling system to remove heat from the conductor, and an outer insulation surrounding the tubular electrical conductor. The protrusions increase surface area and promote turbulence of coolant flow within the channel, enhancing heat transfer from the conductor to the coolant. The outer insulation electrically isolates the conductor while allowing efficient heat evacuation, thereby improving thermal management in high voltage applications.

A liquid cooled charging cable system may be provided. The liquid cooled charging cable system may comprise a source, a load, a liquid cooled charging cable, and a cooling device. The liquid cooled charging cable may connect the source to the load, and may supply electric energy from the source to the load. The liquid cooled charging cable may comprise a supply conductor and a return conductor. The cooling device may pump a coolant around the supply conductor and the return conductor where the supply conductor and the return conductor may be immersed in the coolant.