Provided is a power supply and distribution system, the power supply and distribution system includes at least one non-isolated AC/DC converter unit, an MV DC bus and multiple isolated DC/DC converter units, and the at least one non-isolated AC/DC converter unit is connected between an MV AC grid and the MV DC bus, and is configured to convert an input MV AC voltage to an output MV DC voltage, where the output MV DC voltage is fed into the MV DC bus, the multiple isolated DC/DC converter units are connected to the MV DC bus in parallel via MV class cables, and are configured to convert a voltage level from the MV DC bus to a charging voltage level. The power supply and distribution system can be used for charging the EVs.

In an example embodiment, a system includes an inverter configured to operate in at least one of a charging mode or a drive mode, a cascaded direct current (DC)-DC converter, the DC-DC converter including a first portion of the inverter and at least one controller configured to selectively couple the first portion of the inverter to a first portion of the cascaded DC-DC converter during the charging mode, and selectively couple the inverter to a second portion of the cascaded DC-DC converter during the drive mode.

A wireless power receiver coil is attached to a landing gear of a drone. The wireless power receiver coil is closer to the drone when the landing gear is in a retracted position and farther away from the drone when the landing gear is in an extended position. A length of the wireless power receiver coil may be the same length when the landing gear is in the retracted position and in the extended position. The wireless power receiver coil may be in a first orientation when the landing gear is in the retracted position and the wireless power receiver coil may be in a different orientation when the landing gear is in the extended position. The wireless power receiver coil may have a first shape when the landing gear is in the retracted position and may have a second shape when the landing gear is in the extended position.

A vehicle includes a charging port for connection to a charging cable capable of delivering electricity to the vehicle, and an ultra-wide band (UWB) transceiver module. The UWB transceiver module includes a master node and at least three antenna nodes. The at least three antenna nodes are deployed at correspondingly diverse locations in the vehicle at fixed distances from the charging port. The master node is configured to determine a position of an UWB antenna or tag external to the vehicle relative to the locations of the at least three antenna nodes and the charging port.

A mobile electric vehicle charging system may include a fuel cell configured to generate electric power required to drive a vehicle, a main battery configured to store electric power generated by the fuel cell, a bidirectional power converter configured to control electric power input to and output from the main battery, a mobile charger configured to supply electric power to charge another vehicle, and a high-voltage junction box for divergence, configured to distribute electric power generated by the fuel cell to the bidirectional power converter and the mobile charger.

An embodiment vehicle body for an electric vehicle includes a fender apron upper part and an A pillar part positioned at a rear portion of the fender apron upper part, wherein a first load path is formed in a length direction of the vehicle body on an upper part of the fender apron upper part, wherein a second load path is formed in a vertical direction of the vehicle body along a connection portion of the fender apron upper part and the A pillar part, wherein a third load path connecting the first load path and the second load path is obliquely formed in a lower part of the fender apron upper part, and wherein a charging hole is formed between the first, second, and third load paths.

An embodiment wireless charging vehicle includes a secondary charging pad configured to generate an induced current by a magnetic field generated to a primary charging pad of a wireless charging station and to charge a battery, a plurality of ultra-wideband (UWB) tags disposed to surround the vehicle, and a UWB controller configured to perform a wireless charging arrangement mode for arranging the secondary charging pad on the primary charging pad by using a sensor value measured by the UWB tags, wherein the UWB controller is configured to calculate a coordinate of the primary charging pad by using a line of sight (LOS) sensor value of a UWB tag having a line of sight from among the UWB tags.

An embodiment system for charging an electric motor vehicle includes a first switching circuit configured to select one of at least two chargers, a second switching circuit configured to select a charging station connector to be connected to the charger selected by the first switching circuit, and a controller configured to control the first switching circuit and the second switching circuit based on a predetermined charging order to allow charging of a battery of a vehicle that is connected to the charging station connector to be performed, sense connection of a charging connector of the vehicle to the charging station connector, receive a required charging amount and an available waiting time of the vehicle, and determine the charging order based on the required charging amount and the available waiting time.

A vehicle includes control pilot circuitry connected with a charge port and including a control pilot line, a resistor, and a switch that selectively connects the resistor between the control pilot line and a ground of electric vehicle supply equipment plugged into the charge port. The vehicle also includes a controller that toggles the switch between open and closed states after receiving an off-board request defining a number of toggles for the switch.

Charging cord assemblies for transferring power between electrified vehicles during in-flight bidirectional energy transfer events may include a cable including a wire bundle coated with a conductive foamed plastic shielding to establish a cable subassembly. The conductive foamed plastic shielding is configured to reduce electromagnetic interference (EMI) of the cable. Various cable routing arrangements may be utilized for routing the cable of the charging cord assembly during the in-flight bidirectional energy transfer events.