Abstract: An electrical system includes a rechargeable energy storage system (RESS) and a controller. The RESS includes first and second battery packs connected to a voltage bus, each pack having a respective plurality of battery cells and a corresponding cell balancing circuit. The RESS further includes switches that selectively connect or disconnect the packs to or from each other to achieve series and parallel modes. The controller executes a method by detecting a requested series to parallel mode transition. Responsive to a threshold imbalance being present in a state of charge or pack voltage of the packs relative to each other, the controller balances the state of charge/voltage using open/closed state control of the cell balancing circuits, and possibly a switching block having PWM-controlled switches and a circuit element. The controller may execute the requested mode transition upon balancing.

Abstract: An electric vehicle charging equipment (EVSE) system is provided. The EVSE system delivers direct current (DC) charging power and is configured for delivering electrical energy to a single electrical vehicle at a same time. The EVSE system comprises a plurality of charging cables with respective charging connectors for connecting to a respective plurality of electrical vehicles. At least one of the plurality of charging cables is liquid cooled and each of the plurality of charging cables comprises at least two DC power lines and at least two signal lines, which are each connected to a respective DC power line within the charging connector. The EVSE system further comprises a DC metering device configured for measuring, via the at least two signal lines, a connector voltage between the at least two DC power lines within the charging connector.

Abstract: A solar powered charging station uses photovoltaic panels to generate electrical energy for use directly and/or for storage in electrical batteries for use during night operation. The station includes parallel electrical circuits which permit the station to operate during daylight hours in the event of a failure of the battery or the battery charging system. The station is designed to provide a kit embodiment having light weight, easily transportable components. The parallel circuitry is adaptable for use with other forms of electrical power generation having a minimal carbon footprint.

Abstract: In a control device for a vehicle, the vehicle is configured to charge an electric power storage device with an electric power supplied from a charger. The control device includes an input and output circuit and a control circuit. The input and output circuit is configured to input predetermined signal and output the predetermined signal. The control circuit is configured to prepare for charging of the electric power storage device by controlling transmission and reception of signals through the input and output circuit according to a predefined communication sequence. The control circuit is configured to proceed with the predefined communication sequence by transmitting the second signal to the charger even when the vehicle does not receive the first signal at the predetermined timing.

Abstract: A vehicle power supply system configured to be charged by an electric vehicle (EV) charging station that performs charging with a voltage equal to or more than a predetermined lower limit voltage. The vehicle power supply system includes a battery having a rated voltage lower than the lower limit voltage; a capacitor electrically connected in series to the battery, wherein a sum of the rated voltage of the battery and a rated voltage of the capacitor is greater than the first voltage; and an interface configured to receive electric power from the EV charging station. The vehicle power supply system also includes circuitry configured to receive electric power from the EV charging station, and charge the battery and the capacitor using the received electric power.

Abstract: The present invention provides a charging assembly for charging at least one electrically chargeable storage device, in particular an electrically chargeable storage device for driving an electrical vehicle, including multiple isolated DC power outputs, at least one outlet for connection to the at least one electrically chargeable storage device, at least one switching assembly for connecting the multiple isolated DC power outputs to the at least one outlet for connection to the at least one electrically chargeable storage device, whereby the switching assembly is adapted to connect at least two of the multiple isolated DC power outputs in series and/or in parallel to the at least one outlet.

Abstract: A system for controlling a vehicle including a solar cell includes: a high-voltage battery; a low voltage DC-DC converter (LDC) down-converting a voltage of the high-voltage battery; an auxiliary battery and an electrical load receiving the down-converted voltage from the LDC; a solar cell; a first solar cell converter converting output power of the solar cell into a voltage corresponding to a voltage of the auxiliary battery; a second solar cell converter converting the output power of the solar cell into a voltage corresponding to a voltage of the high-voltage battery; and a controller controlling operations of the LDC, the first solar cell converter, and the second solar cell converter based on a result of comparison between the output power of the solar cell and power consumption of the electrical load and based on a state of charge (SOC) of the auxiliary battery.

Abstract: A solar charging system and method for a vehicle may include a battery mounted in the vehicle, a solar panel mounted on the vehicle to perform solar power generation, and a solar controller that receives electricity generated from the solar panel to operate, and controls charging of the battery using the electricity.

Abstract: A vehicle electricity supply control system, including: an acquisition section configured to acquire a power consumption of an auxiliary system, the auxiliary system being supplied with electricity from an auxiliary battery; and a control section configured to, in a first supply mode in which electricity is supplied to a drive battery and the auxiliary system and in a case in which the power consumption of the auxiliary system is greater than a predetermined value, control a ratio of electricity supplied to the drive battery and the auxiliary system such that an electricity supply amount to the auxiliary system becomes greater than in a case in which the power consumption of the auxiliary system is less than the predetermined value.

Abstract: A charging station for an electric vehicle includes a passive alignment mechanism that includes a longitudinal translation stage that allows motion in a longitudinal direction, a charging plug connected to the passive alignment mechanism, and a releasable connector. The releasable connector resists motion of the longitudinal translation stage in a connected position when a magnitude of an external force applied in the longitudinal direction is below a threshold. The releasable connector moves from the connected position to a released position to allow motion of the longitudinal translation stage when the magnitude of the external force applied in the longitudinal direction is above the threshold.

Abstract: According to one embodiment, the charging circuit includes the control unit maintains an ON state of the main switching element by being driven within the predetermined time after power is input to the input unit and stopping the function of the time constant circuit, and when the full charge detection unit detects the fully charged state, the control unit turns off the main switching element by restoring the function of the time constant circuit after the predetermined time is elapsed.

Abstract: A method for controlling charging capacity of an electric vehicle charging terminal capable of charging an electric vehicle is provided. The method includes steps of: an electric vehicle charging station, (a) while the electric vehicle charging terminal is connected to the electric vehicle via a charging connector, wherein the electric vehicle charging station manages unit charging sources and includes the electric vehicle charging terminal connected with a grouped charging source created by combining part of the unit charging sources, and wherein capacity of the grouped charging source is dependent on the combined part, selecting unit charging sources to be combined as a grouped charging source by referring to required charging capacity information of the electric vehicle; and (b) (i) controlling switches for connecting the unit charging sources to create the grouped charging source and (ii) allowing the grouped charging source to charge the electric vehicle through the charging connector.

Abstract: A solar power plant is constructed using a reverse workflow whereby the grid connection that will ultimately feed electricity to the grid is constructed before the array so that one or more transformers and portable charging stations may be deployed onsite to transform grid power so that it can recharge electrically powered heavy equipment including solar pile drivers, truss drivers, and telehandlers as well as electrically powered hand tools such as cordless impact drivers while the plant is constructed. Once complete, the fixed electrical infrastructure and grid connection are used to supply power from the solar power plant to the grid.

Abstract: An integrated battery energy storage system and method for integrating electric vehicle battery packs into an integrated battery energy storage system are disclosed. The integrated battery energy system includes: a plurality of electric vehicle battery packs coupled in a series/parallel arrangement, the series/parallel arrangement including a plurality of series strings of electric vehicle battery packs, each of the plurality of series strings of electric vehicle battery packs includes at least two of the plurality of electric vehicle battery packs coupled in series; and wherein the plurality of series strings of electric vehicle battery packs are connected in parallel.

Abstract: The present invention relates to a power supply device for supplying power, from a battery provided at an electric vehicle, to various types of components, the power supply device enabling current sensing to be performed so as to confirm that an electric vehicle charging facility and an electric vehicle are connected to each other through a connector, and reducing electro-magnetic interference (EMI) noise. The objective of the power supply device of the present invention is to: provide a stable voltage to electric vehicle application components; and reduce the EMI noise according to battery charging, self-switching of the power supply device and the like.

Abstract: A system for inductive charging is provided. In accordance with an embodiment, the system comprises a permanent magnet structure having two or more discontinuous permanent magnet sections assembled to form a full or partial ring shape. The sections are each magnetized in a direction perpendicular to their top and bottom surfaces in a pattern comprising multiple opposing poles at each surface to reduce an effect of a magnetic field generated by the permanent magnet structure on magnetically sensitive components of the portable device or battery or other nearby devices.

Abstract: An all-electric, battery powered industrial or commercial mobile power unit is provided that can include a number of features. The mobile power unit can include a DC electrical energy source configured to produce a voltage of approximately 300-450 VDC. The mobile power unit can be configured so as to produce a user programmable voltage output and/or a user selected voltage output of either 480 VAC 3-phase, 208 VAC 3-phase, or 240 VAC single-phase. The various output configurations are controlled by software with a system controller of the mobile power unit. Methods of use are also provided.

Abstract: A power converter for an electric vehicle include a connection interface for coupling an external battery to a first bus. The power converter includes a first set of switching devices configured to transfer power between a charge port and the first bus, and a second set of switching devices configured to transfer power between the first bus and a second bus coupled to a traction battery. The power converter includes a controller programmed to control a voltage level of the first bus to different nominal operating voltages based in different operating modes.

Abstract: A battery charger capable of receiving AC power and delivering both AC and DC power to an electric power storage battery in accordance to different embodiments disclosed herein using a rectifier circuit supplying the DC load and absorbing power as a five-level active rectifier with low harmonics on the AC input. In one aspect, the battery charger may have a bidirectional rectifier/inverter converter providing power conversion between a DC source and AC enabling the user to not only charge an electrical vehicle (“EV”) but also convert the energy charged in the EV/battery or solar panel to AC for use.

Abstract: A system and method for a recharging station including an elevated landing pad, a rechargeable component coupled to the elevated landing pad, a power delivery unit configured to deliver power from a power supply unit or power storage unit to the recharging component, and a support component coupled to the bottom of the elevated landing pad.