A wire harness unit applied to a power storage device unit and a wire harness includes a routing material and a cooling unit that cools the routing material. The routing material constitutes a charging conduction path that extends between a charging inlet and a power storage device, and transmits electricity. The charging inlet is provided to a vehicle. The power storage device is provided to the vehicle and can store electric power. As a result, the wire harness unit, the power storage device unit, and the wire harness can reduce a cross-sectional area of the routing material to a relatively small area, thereby having an advantageous effect of capable of having proper mountability.

A power distribution system is disclosed for conducting electrical power through a combination of hollow tube conductors and flexible cabling. Each hollow tube conductor includes an end formed into flat pads. The flexible cabling comprises litz wire, and includes ends crimped to integral lugs. An end of the flexible cabling is coupled to an end of the hollow tube conductor. The other end of the flexible cabling is coupled to an electric device. The other end of the hollow tube conductor is coupled to another flexible cable, which is in turn coupled to another electric device. By connecting the hollow tube conductors, flexible cabling, and electrical devices in this way, an electrically conductive pathway may be established between the electrical devices. The power distribution system conducts alternating current (AC) power, and addresses the skin effect phenomenon that occurs when conducting AC power. The power distribution system can be utilized in the highly-constrained environment of electric aircraft, where weight and space is at a premium.

A test and measurement device, including a first input structured to receive a first voltage from a first conductor of a first triaxial cable, a second input structured to receive a second voltage from a second conductor of the first triaxial cable or a second triaxial cable, circuitry configured to change modes based on the first voltage and the second voltage; and an output structured to output a signal.

A drive system is disclosed. The drive system may include a motor case, a generator located externally at a first side of the motor case, an inverter located externally at a second side of the motor case, and at least one tube internal to the motor case. The at least one tube may be configured to carry at least one power cable that connects the generator and the inverter.

Disclosed is an opto-electric cable including one or more electrical conductors. Each conductor includes an electrically conductive core and an electrically insulating layer surrounding it. The cable also includes an optical unit embedded within one of the electrically conductive cores. The optical unit includes at least two optical fibers and a single buffer jointly surrounding all the optical fibers. Each optical fiber includes a core, a cladding and a coating. Since all the optical fibers of the optical unit are jointly surrounded—and protected—by a single buffer, an optical unit with a reduced size is obtained. This allows reducing the cross section of the electrical conductor in which the optical unit is arranged. In particular, electrical conductors with cross section lower than 10 mm.sup.2 are obtained.

A cable can be used to facilitate electrical connections between electrical components. The cable can include a plurality of cable strands forming a void space. An adhesive paste can be applied within the void space. The adhesive paste can include a plurality of metallic nanoparticles. The metallic nanoparticles can fuse with each other and with the plurality of cable strands when energy is applied the connector and the cable. The metallic nanoparticles can include a surfactant, which can be displaced as pressure is applied. Heat can be applied to the adhesive paste to fuse the metallic nanoparticles.

An electrical component cover includes a central portion, a first end portion and a second end portion and one or more flexible portions between the central portion and the first end portion or second end portion to enable the electrical component cover to flex and thereby facilitate varying geometries in power lines attached to insulators.

A power cable (10) includes at least one electrical conductor (12) and at least one interstice (14) in the vicinity of the electrical conductor (12). The cable (10) further has at least one electronic device (18) for radiofrequency identification and at least one tube (16) arranged in the at least one interstice (14) and containing the electronic device (18) for radiofrequency identification.

A safe energy supply unit (1) and system, for supplying an electrical device (8) in an explosion-proof area, transmits power from an energy source (9), including a plurality of galvanically isolated individual sources, with a multiple line connection (2) with a plurality of galvanically isolated and individually shielded conductor pairs (31, 32, 33, 34). A collector device (4), in an explosion-proof jacket (5) at an end of the multiple line (3), has uncoupling devices (45) for the galvanically isolated conductor pairs and a combiner circuit (47, 49) that combines the transmitted electric power from each line into a global power. The global power is outputted at an output (48) of the collector device to the electrical device. The conductor pairs allow for an increased global power, which is scalable, safely transmittable, with standard, conductor pairs. The electrical device is intrinsically safely supplied with high power with minimal effort.

A field grading composite body includes a polymeric matrix and a particulate filler distributed within the polymeric matrix. Particles of the particulate filler include a core formed from a semiconductor material, an oxide mixed layer deposited on the core, and conducting oxide layer. The conducting oxide layer deposited on the oxide mixed layer to provide an electrical percolation path through the polymeric matrix triggered by strength of an electric field extending through the field composite body. Conductors and methods of making field grading composite bodies for conductors are also described.