Abstract: This application provides a wireless charging circuit and system, an electronic device, and a control method, and relates to the field of wireless charging technologies, to alleviate a problem of small charging power of an electronic device having a wireless reverse charging function. In the wireless charging circuit, a first voltage conversion circuit converts a supply voltage into a first battery voltage of a first battery, to charge the first battery. The first voltage conversion circuit further outputs the first battery voltage provided by the first battery. A second voltage conversion circuit boosts the first battery voltage. The second voltage conversion circuit includes a first boost circuit and at least one stage of switched-capacitor direct current converter that are connected in series. A first alternating current/direct current conversion circuit converts a direct current voltage output by the second voltage conversion circuit into an alternating current voltage.

Abstract: A power supply apparatus, especially one for supply charging power to an electric toothbrush, comprises a first housing portion, a power input coupler, a second housing portion having a platform comprising platform surface which projects away from the first housing portion, and a power output coupler formed on the platform. The apparatus is configured for wall mounting so that a load can be charged while supported by a wall outlet.

Abstract: An apparatus includes a controller configured to: determine whether a first current measurement, a second current measurement, and a third current measurement are balanced; in response to a determination that the first current, the second current, and the third current are balanced, determine a weight factor; determine a product of a direct current voltage output measurement, the weight factor, a first sine reference, a second sine reference, and a third sine reference; generate a set of unbalanced current set points based on the product; and regulate the first current of the first current controller, the second current of the second current controller, and the third current of the third current controller using the set of unbalanced current set points.

Abstract: An electric vehicle that includes an on-board charger for a battery of an electric vehicle. The electric vehicle includes an AC machine and an inverter drive for the AC machine. The on-board charger includes an integrated active filter rectifier coupled to a DC/DC converter. The integrated active filter rectifier is configured to use at least one phase inductor of the AC machine and at least one leg of the inverter drive to perform power factor correction. The on-board charger is a non-isolated converter that renders both operations of traction and charging from both single-phase and three-phase grids. Moreover, the on-board charger performs fast AC charging without generating shaft torque during charging.

Abstract: The present invention relates to a charging system for personal mobility devices and, more particularly, may includes: support units provided with slots into which wheels of personal mobility devices are mounted; first charging units which are installed toward the personal mobility devices and generate magnetic fields for wireless charging; and second charging units which are mounted onto the personal mobility devices, and which covert the magnetic fields, received via the first charging units, into electric power to charge the batteries provided in the personal mobility devices.

Abstract: A power storage system includes: a stationary power storage device configured to supply electric power to an electrical load; a control device configured to receive supply of electric power from each of the power storage device and another power source; a relay located between the power storage device and the control device and between the power storage device and the electrical load, but not between the control device and the power source; and an input device configured to accept input from a user. When a connection request is input to the input device while the relay is in a disconnected state, the control device brings the relay into a connected state.

Abstract: Disclosed is a wireless power transmitting module comprising: a coil unit provided with a coil body in which a conductive member having a predetermined length is wound in one direction, and with a planar coil including a pair of terminal portions extending from the coil body by a predetermined length for electrical connection; a main shielding sheet arranged on one surface of the coil unit to shield a magnetic field generated from the coil unit; an accommodating portion formed through the main shielding sheet so as to accommodate the thickness of at least one of the pair of terminal portions; and an auxiliary shielding sheet attached to one surface of the main shielding sheet so as to cover the accommodating portion in order to shield a magnetic field leaking through the accommodating portion, wherein the auxiliary shielding sheet has a relatively thinner thickness than the main shielding sheet.

Abstract: A charge controller including: an environment prediction part that predicts, during charging of a battery mounted on a vehicle, a state of an external environment of the vehicle after an end of charging; a target temperature setting part that sets a target temperature of the battery at the end of charging on the basis of the state of the external environment predicted by the environment prediction part; and temperature adjusting part that adjusts a temperature of the battery during the charge such that the temperature of the battery becomes the target temperature set by the target temperature setting part at the end of charging.

Abstract: A wireless power transmission system includes a wireless power transmitter, a wireless power transfer circuit electrically connectable to the at least one wireless power transmitter, and a transmitter controller. The transmitter controller is configured to determine presence of a wireless power receiver system, encode or decode a communications signal communicated over a magnetic field, the magnetic field produced by coupling of the wireless power transmitter and the one or more wireless power receiver systems. The transmitter controller is further configured to determine presence of one or more of unwanted noise, unwanted data, or combinations thereof, within a proximity communications frequency band, the proximity communications frequency band substantially similar to the communications frequency band. The transmitter controller is further configured to filter the one or more of unwanted noise, unwanted data, or combinations thereof to determine a filtered communications signal.

Abstract: According to one or more embodiments, a system, spares cabinet, and method for maintaining a state of charge of spare batteries. The spare cabinet may include an enclosure, a plurality of batteries with given states of charge stored within the enclosure, a charger and a load to charge and discharge the batteries to a storage or transportation state of charge. The spares cabinet may also include a controller configured to maintain the plurality of batteries at the storage or transportation state of charge by causing the charger or load to charge or discharge batteries, and a multiplexor configured to electrically couple the batteries to the controller. The spares cabinet may further include a human-machine interface coupled to the controller that is configured to receive inputs to the system and to display a current state of charge for the batteries.

Abstract: An electronic device includes a first housing, a second housing, and a wireless charging antenna. The second housing is connected to the first housing such that the position thereof relative to the first housing is variable. The wireless charging antenna includes a shielding member and a reception coil alternately wound on a first surface of the shielding member and a second surface opposite to the first surface, and is disposed in at least one of the first housing and the second housing. A battery is electrically connected to the wireless charging antenna.

Abstract: An electric vehicle charging control device includes a charging station and an electronic dynamic charging schedule generator. The charging station has at least a first charging port and a second charging port. The electronic dynamic charging schedule generator has an electronic controller is configured to determine when a first electric vehicle user accesses the first charging port. The electronic controller is further configured to determine when a second electric vehicle user accesses the second charging port. The second electric user accesses the second charging port after the first user accesses the first charging port. The electronic controller is programmed to generate a first charging schedule for the first electric vehicle. The electronic controller is programmed to generate a second charging schedule for the second electric vehicle. The electronic controller is programmed to update the first charging schedule based on the second charging schedule.

Abstract: The electric vehicle includes a power storage device, a charger that charges the power storage device using power from an external power supply, and a controller that controls the charger. The controller calculates the required charging time for charging before charging the power storage device by the charger, and calculates the scheduled charging end time using the required charging time; obtains the incomplete factor for which the charging was not completed, in case the charging of the power storage device is not completed at the scheduled charging end time; and obtains the delay factor that delayed the completion of charging, in case the charging of the power storage device is completed beyond the scheduled charging end time.

Abstract: A system for electric vehicle charging and hydrogen fueling leverages existing infrastructure of a localized renewable energy microgrid and utilizes excess generated energy to power an electrolyzer to produce hydrogen gas on site that is compressed and stored in a pressure vessel. A first portion of the stored hydrogen gas may be used for hydrogen fueling of a fuel cell electric vehicle (FCEV) via a hydrogen fuel dispenser that is provided at a charging station. A second portion of the stored hydrogen gas may be converted into electricity through use of one or more fuel cells. The generated electricity may be used for charging a battery of a battery electric vehicle (BEV) via an electric vehicle charging dispenser that is also provided at the charging station.

Abstract: In an example embodiment, a battery unit comprises a battery unit housing; and a battery unit circuit. In this example embodiment, the battery unit housing contains at least a portion of the battery unit circuit, and the battery unit circuit further comprises: a battery cell, an inverter to control the charging and discharging of the battery cell, a processor to provide control signals to the inverter for controlling the charging and discharging of the battery cell, and one of: a power plug for coupling to and uncoupling from a power outlet assembly, and a luminaire base for coupling to and uncoupling from a luminaire socket in a light fixture. In this example embodiment, the battery unit is rated at less than or equal to 2400 Volt-Amperes. The battery unit may further comprise a transceiver.

Abstract: A method for charging an electronic device and a wireless charger having a set of transmitter coils and a plurality of magnetic field sensors are disclosed. The method may comprise measuring magnetic fields in a predetermined charging region, detecting a change in the magnetic fields, and selecting the subset of the transmitter coils associated with the one of the magnetic field sensors. The method may further comprise energising each transmitter coil in the subset of the transmitter coils to transmit a predetermined maximum power output, selecting one transmitter coil from the subset of the transmitter coils, determining a first power output of said one transmitter coil, and energising said one transmitter coil to transmit at the first power output.

Abstract: A self-adaptive protection circuit and method for double-voltage startup of a wireless charging system are provided. The method controls a double-voltage logic control module of a double-voltage starting circuit to send a signal for exiting a double-voltage mode by detecting an input voltage of a receiving terminal of the wireless charging system. By the input voltage of the receiving terminal of the wireless charging system, the double-voltage logic control module of the double-voltage starting circuit is controlled to send the signal for exiting the double-voltage mode, thus protecting the receiving terminal of the wireless charging system from the over-high input voltage in the double-voltage mode.

Abstract: A power storage system includes a plurality of storage battery units connected in series, and a plurality of bypass circuits respectively provided for the storage battery units and each configured to switch the corresponding storage battery unit between a bypass state and a connection state. Each of the storage battery units includes a plurality of storage battery modules connected in series, and each of the storage battery modules includes a plurality of storage battery cells connected in series. The storage battery modules are respectively provided with inter-cell balancing units each configured to execute cell balancing for equalizing voltages of the storage battery cells in the corresponding storage battery module, and the storage battery units are respectively provided with inter-module balancing units each configured to execute module balancing for equalizing voltages of the storage battery modules in the corresponding storage battery unit.

Abstract: A charging system for a mobile device including a charging connector, a first charging component, a second charging component, a flexible printed circuit board, a first battery, and a second battery is provided. The first charging component includes a first input terminal electrically connected to the charging connector and a first output terminal. The second charging component includes a second input terminal electrically connected to the first output terminal and a second output terminal. The flexible printed circuit board includes a first charging connecting terminal and a second charging connecting terminal. The first charging connecting terminal is electrically connected to the second output terminal, and the second charging connecting terminal is electrically connected to a ground terminal. The flexible printed circuit board electrically connects the first battery and the second battery in series between the first charging connecting terminal and the second charging connecting terminal.

Abstract: An electronic device may collect statistics on a quantity of recharging times of the battery in at least one single charging process, and/or obtain a temperature of the battery in recharging. Then, the electronic device may lower a full charge threshold and a recharge threshold based on the quantity of recharging times and/or the temperature, and control recharging by using a lowered full charge threshold and a lowered recharge threshold.