Abstract: A system for pre-charging short circuit detection in electric aircraft. The system includes a charging connector and a controller communicatively connected to the charging connector. The charging connector includes a housing, at least a conductor, and at least a control signal conductor. The housing is configured to mate with an electric aircraft port of an electric aircraft. The at least a conductor is configured to conduct a charging current to the electric aircraft. The at least a control signal conductor is configured to conduct a control signal. The controller is configured to receive a circuit health datum, through the at least a control signal conductor, prior to initiation of charging of the electric aircraft, and to disable initiation of charging of the electric aircraft if the circuit health datum comprises a short circuit datum. A method for pre-charging short circuit detection in electric aircraft is also provided.

Abstract: An access connector, system and methods for accessing an electrical network are described. The access connector comprises a body portion configured to be installed in roadside infrastructure such that the access connector is substantially flush with an outer surface of the of the roadside infrastructure. The access connector provides a mechanical and electrical connection point for an electrical vehicle connector. The system comprises a plurality of access connectors.

Abstract: A method for aligning a charging device with a vehicle for charging includes detecting whether a vehicle is parked on a parking space where the charging device is located. If so, capturing at least one image of the vehicle and determining a position of a power receiving device of the vehicle by reference to the at least one image. Controlling movement of the charging device based on the relative positions of the power receiving device and a position of the charging device and aligning the charging device to couple wirelessly and charging the vehicle.

Abstract: A wireless power transmitter includes an antenna and a processor configured to control the antenna to respectively transmit detection powers in a plurality of directions, the detection powers including a first detection power and a second detection power, the first detection power including a first direction information and identification information of the wireless power transmitter, the first detection power being transmitted in a first direction, the second detection power including a second direction information and the identification information of the wireless power transmitter, the second detection power being transmitted in a second direction different from the first direction; control to receive a communication signal including the first direction information and the identification information of the wireless power transmitter from an electronic device which received the first detection power; and based on receiving the communication signal, control the antenna to transmit power for charging in the f

Abstract: An electronic control unit of an electric vehicle is configured to, in a case of making a welding diagnosis of a charging relay with an external power supply device not being connected to a charging inlet, start the welding diagnosis when a vehicle speed becomes equal to or higher than a first vehicle speed, interrupt the welding diagnosis when the vehicle speed becomes equal to or lower than a second vehicle speed during the welding diagnosis, and resume the welding diagnosis when the vehicle speed becomes equal to or higher than the first vehicle speed during the interruption of the welding diagnosis. The second vehicle speed is equal to or lower than the first vehicle speed.

Abstract: A method for establishing an electrical connection of a vehicle contact unit of a vehicle which is at least in part electrically powered, to a ground contact unit of an electric charging infrastructure is provided. The ground contact unit has a plurality of electrical contact surfaces, at least two of which have to be contacted by the vehicle contact unit for charging the vehicle battery. The method includes the step of detecting, with the aid of at least one camera on the vehicle, at least one of the electrical contact surfaces and/or at least one insulation surface surrounding the electrical contact surfaces, for establishing an electrical connection. Further provided are a vehicle connection device for electrically connecting a vehicle contact unit of a vehicle which is at least in part electrically powered, to a ground contact unit of an electric charging infrastructure, and a vehicle having a vehicle connection device.

Abstract: The present disclosure includes an automotive battery system that uses switching devices to increase operational performance and reliability. The battery system includes a battery cell, a primary switching device electrically coupled to a terminal of the battery cell, and a secondary switching device electrically coupled to the terminal of the battery cell and in parallel with the primary switching device. The primary switching device includes an electromechanical switching device that enables charging or discharging of the battery and generates a boosted voltage. A secondary switching device includes a solid-state switching device and a diode, electrically coupled in series, which detect short circuit conditions in a power-efficient manner and remove the short circuit condition by using the boosted voltage to actuate the armature.

Abstract: A method for operating a charging station for charging a plurality of electric vehicles, in particular electric cars, wherein the charging station is connected at a grid connection point to an electrical supply grid in order to be supplied with electrical energy from the electrical supply grid via said grid connection point, comprising the steps of drawing electrical energy from the electrical supply grid and charging one or more electric vehicles using the electrical energy drawn from the electrical supply grid, wherein the charging station is controlled in such a way that the electrical supply grid is electrically supported.

Abstract: A high voltage battery system can receive power from an AC grid and deliver power to a low voltage battery system. Embodiments can include an active filter and high voltage to low voltage (HVLV) DCDC converter to reduce harmonics associated with the charger reaching the low voltage battery system and further to stabilize the voltage presented to the HVLV DCDC converter to improve its operating efficiency.

Abstract: A charging cable includes: a plurality of pins; a storage configured to store software, which controls communication with a communication device connected through at least one of the plurality of pins, controls communication with a charging object connected through the plurality of pins, controls charging of the charging object and monitors the charging; and a controller configured to: when a first voltage is applied to the at least one pin of the plurality of pins, control to output a pulse width modulation (PWM) signal having a predetermined first duty ratio corresponding to a communication enabled state with the communication device through the at least one pin; and when a second voltage is applied to the at least one pin, change to an update mode and control to output the PWM signal having a predetermined second duty ratio corresponding to the change to the update mode through the at least one pin.

Abstract: A charge and discharge circuit includes: a charging loop, including a battery pack, a first switch module and a charging device connected in series, where, the charging loop is configured to charge the battery pack using the charging device, and precharge the charging device; and a discharging loop, including the battery pack, a second switch module and an electric device connected in series, where, the discharging loop is configured to make the battery pack discharge to the electric device, and precharge the electric device; where, the first switch module and the second switch module each include at least one switch, and a part of switches in the first switch module and the second switch module are semiconductor switches, and the other part of the switches in the first switch module and the second switch module are relays.

Abstract: The disclosure relates to a charging system for charging an electrical energy storage device in an electric vehicle. The charging system includes: an input for an alternating current, which is provided with a source of electrical energy, at least one transformer element for transforming the alternating current into a direct current, and a charge output for connecting the charging system to the electric vehicle. The charging system is configured to connect the at least one transformer element to the charge output for charging the electrical energy storage device with direct current. The charging system is further configured to connect the input to the charge output for charging the electrical energy storage device with alternating current.

Abstract: A charge state control system and device for controlling charge sent to a consumer device is disclosed. A software application is provided on a consumer device. A separate hardware device comprises a microprocessor; a transistor relay circuit which is controlled by the microprocessor to open or close a relay; and a connector for connection with the consumer device. The software application is configured to receive an input from a user, determine a battery level of the consumer device and communicate with the hardware device to instruct the microprocessor to open or close the relay depending upon the battery level and the input.

Abstract: A multi-power source system including a first power source, a second power source in a parallel with the first power source, and a diode preventing power from the second power source to drive the first power source but permitting the first power source to charge the second power source. The system also includes a controller operably coupled to both the first and second power sources, and a plurality of field effect transistor (FETs) arranged in series with one or more of the first power source, the second power source, and the load, wherein controller can switch the plurality of FETs to enable the first power source to drive the load or the second power source to drive the load.

Abstract: A connector for charging an electric vehicle that includes a housing configured to mate with an electric vehicle port of an electric vehicle, at least a sensor configured to detect an attachment datum as a function of the housing mating with an electric vehicle port, and transmit the attachment datum to a computing device, a computing device configured to receive the attachment datum from the at least a sensor, receive an identification datum from the electric vehicle, generate a verification datum as a function of the identification datum and the attachment datum, and determine an authorization status as a function of the verification datum.

Abstract: This disclosure enables various technologies for controlling and charging stationary and mobile devices.

Abstract: Embodiments of the present disclosure provide a power distribution system and a method for charging multiple electric vehicles. The power distribution system includes: an alternating-current source, configured to provide a first electric power; an energy storage device, configured to provide a second electric power, the first electric power and the second electric power together constitute a total supply power; a charging module, including multiple charging units, where each of the charging units is electrically coupled to the alternating-current source and the energy storage device through an alternating-current bus, and the charging units are used to charge the electric vehicles; and a power management module, performing a signal transmission with the alternating-current source, the energy storage device and the charging module through a signal bus, and being configured to select a corresponding orderly charging mode according to the total supply power and total required power of the charging module.

Abstract: An induction coil is described for wireless charging of a vehicle battery. The induction coil includes a first electrically conductive strip, a second electrically conductive strip, and a first electrically insulative strip between the first and second electrically conductive strips. The first electrically insulative strip electrically isolates the first electrically conductive strip from the second electrically conductive strip. The first electrically conductive strip, the first electrically insulative strip, and the second electrically conductive strip are integrated into stack, where the stack is configured as multiple windings. The first and second electrically conductive strips are adapted to conduct an alternating current. Alternating current flow through the first and second electrically conductive strips and the plurality of windings generates a magnetic field for wireless inductive charging of the vehicle battery.

Abstract: In one embodiment, a system includes: an enclosure; a plurality of first converters adapted within the enclosure to receive grid power at a distribution grid voltage and convert the distribution grid voltage to at least one second voltage; at least one high frequency transformer adapted within the enclosure and coupled to the plurality of first converters to receive the at least one second voltage; a plurality of second converters adapted within the enclosure and coupled to an output of the at least one high frequency transformer to receive the at least one second voltage and convert the at least one second voltage to a third voltage; and a dielectric fluid adapted within the enclosure to provide dielectric isolation.

Abstract: A compensation device for compensating leakage currents has a differential current measurement device, a first signal generation device, an amplifier and a feeder device. The first signal generation device is designed to generate a first compensation current specification signal (I_COMP_S1) suitable for the compensation from the first signal (I_DIFF) from the differential current measurement device by way of analog signal processing and to feed this first compensation current specification signal (I_COMP_S1) to the amplifier in analog or digitized form. The amplifier is designed to generate a compensation current (I_COMP) on the basis of the first compensation current specification signal (I_COMP_S1), and the feeder device is designed to allow the compensation current to be fed in at at least one of the active conductors.