Abstract: A fleet charging system includes a plurality of chargers. A controller is programmed to predict charge demand for fleet and nonfleet vehicles over a predetermined time interval. The controller generates a charge strategy for the predetermined time interval that minimizes a total energy cost and includes storing energy in the fleet vehicles for sale to the nonfleet vehicles. The controller charges and discharges the fleet and nonfleet vehicles according to the charge strategy.

Abstract: A power supply device comprises a first boost converter configured to transmit electric power with conversion of a voltage between an electric load side and a power storage device side; a second boost converter connected in parallel to the first boost converter relative to an electric load and configured to transmit electric power with conversion of a voltage between the electric load side and the power storage side; and a control device configured to control the first boost converter and the second boost converter. At a predetermined time, the control device performs a loop current control that controls the first boost converter and the second boost converter such that a loop current flows in a closed circuit including the first boost converter and the second boost converter.

Abstract: An electric vehicle charging station charging electric vehicles dynamically responds to power limit messages. The charging station includes a charging port that is configured to electrically connect to an electric vehicle to provide power to charge that electric vehicle. The charging station also includes a power control unit coupled with the charging port, the power control unit configured to control an amount of power provided through the charging port. The charging station also includes a set of one or more charging station control modules that are configured to, in response to receipt of a message that indicates a request to limit an amount of power to an identified percentage and based on a history of power provided through the charging port over a period of time, cause the power control unit to limit the power provided through the charging port to the identified percentage.

Abstract: An electrified vehicle includes a global positioning system (GPS) module. The vehicle further includes a controller programmed to learn a source identification for a charging error during charge events. The controller receives location data corresponding to each charging error and utilizes the location data to determine the source identification. The source identification may be indicative of the vehicle, an offboard charger, and the operator. Errors that occur consistently at multiple locations may be assigned a higher probability of being identified as vehicle-related errors.

Abstract: This disclosure describes systems, methods, and devices related to electricity usage. A device may determine the electric or a hybrid-electric motor vehicle is charged at one or more charging locations. The device may determine a cost associated with electricity applicable at the time of the charging at the one or more charging locations. The device may determine a billing period associated with the electricity cost, wherein the billing period is at least one month. The device may cause the prediction of electricity costs expected to arise by an end of a current billing period as a result of charging the vehicle at the one or more charging locations. The device may display, on a user display device, information associated with the prediction of electricity costs.

Abstract: A device for testing the operation of a protection unit of an electrical network. The test device includes a generator for generating a pulse train in a secondary winding of a current transformer according to a profile of frequencies such that a measurement of the pulse train after passage through a low-pass filter is lower than a selected trip threshold, and a processing circuit arranged to identify a presence of the pulse train in a signal delivered by a second secondary winding of the current transformer. A protection unit including such a test device and to a method for testing an electrical protection unit.

Abstract: An underground mining vehicle includes an electric motor for driving the vehicle, a rechargeable battery for supplying electric energy to the electric motor and a charging system for recharging the rechargeable battery. A control unit is configured to control an operation of the charging system for controlling the recharging of the battery. The control unit is configured to have a number of selectable recharging modes (FRM, SLRM, SERM) and to control the recharging of the battery according to the selected recharging mode (FRM, SLRM, SERM). The vehicle also has a transmitter controlled by the control unit for sending a status notification about an automatic change from a recharging mode to another recharging mode to an operator remote terminal device of an operator of the vehicle.

Abstract: A system includes a processor configured to determine a projected vehicle arrival time at a destination point. The processor is also configured to determine a projected hailed-ride arrival time at the destination point and, responsive to the projected vehicle arrival time being within a predefined threshold of the projected hailed-ride arrival time, request a hailed-ride to arrive at the destination point.

Abstract: An energy supply device to supply electrical energy for a motor vehicle, having a power grid connector for connection of the energy supply device to an alternating current power grid, having at least one first connecting device for producing a cabled electrical connection between the power grid connector and the motor vehicle, and having at least one second connecting device for producing a cableless electrical connection between the power grid connector and the motor vehicle. The first connecting device and the second connecting device are connected to the power grid connector via a common rectifier device.

Abstract: A method for controlling the charging of multiple electric vehicles operating in a geographic area may include inputting a tariff schedule into a control system. The tariff schedule may identify the cost of energy at different times in the geographic area. The method may also include receiving data from the multiple electric vehicles. The data may include at least the state of charge of the vehicle. The method may further include sending instructions to at least one vehicle of the multiple electric vehicles. The instructions may include directives on charging based at least on the tariff schedule and the received data.

Abstract: An information providing system includes: a power-supplying vehicle; a plurality of power-receiving vehicles; and a server. The server is configured to generate a candidate power-supplying target list including information of the plurality of power-receiving requesting vehicles, and notify the candidate power-supplying target list to the power-supplying vehicle so as to make an inquiry to a user of the power-supplying vehicle to select any of the plurality of power-receiving requesting vehicle. The power-supplying vehicle having received this inquiry is configured to present locations of candidate power-supplying targets on a map screen and make a response to the server by notifying, to the server, a power-supplying target selected by the user. The server having received this response matches the power-supplying target notified from the power-supplying vehicle to the power-supplying vehicle, and notifies matching determination information to both the matched vehicles.

Abstract: A main relay protection device includes a motor generator, a rechargeable driving battery, an externally-coupled charger, a main relay, a charging bus bar, a charging relay, a main relay temperature sensor, and a controller. The motor generator drives a vehicle. The battery supplies power to the motor generator. The charger charges the battery. The main bus bar is disposed between the battery and the motor generator. The main relay is disposed in the main bus bar. The charging bus bar is disposed between the main bus bar and the charger. The charging relay is disposed in the charging bus bar. The sensor is configured to detect a temperature of the main relay. The controller performs ON-control on the charging relay in a state where the main relay is turned on, if the detected temperature of the main relay is higher than or equal to a preset heat radiation starting threshold.

Abstract: A system for determining the position of a transport vehicle that can be moved over a floor, in particular a heavy-load transport vehicle, comprising an antenna which can be attached to a lower face of the transport vehicle and a transponder which can be introduced into the floor at a specific location and which can be charged by means of a transmission field that can be generated by the antenna during a transmission interval and can be evaluated during a subsequent evaluation interval. The system is designed such that the evaluation interval is discontinued and a new transmission interval is started if a signal of the transponder cannot be detected during a detection interval within the evaluation interval.

Abstract: A coil unit includes a coil configured by winding a conductive wire in a spiral shape, a magnetic body, and a base member disposed between the coil and the magnetic body, wherein the coil and the magnetic body are fixed to the base member.

Abstract: A method includes pre-conditioning a battery for charging to support higher rates of charging the battery.

Abstract: Adaptive charging networks in accordance with embodiments of the invention enable the optimization of electric design of charging networks for electric vehicles. One embodiment includes an electric vehicle charging network, including one or more centralized computing systems, a communications network, several, electric vehicle node controllers for charging several electric vehicles (EVs), where the one or more centralized computing systems is configured to: receive the electric vehicle node parameters from several electric vehicle node controllers, calculate a charging rates for the electric vehicle node controllers using quadratic programming (QP), where the quadratic programming computes the charging rates based on the electric vehicle node parameters, adaptive charging parameters and a quadratic cost function, and distributes the charging rates to the electric vehicle node controllers.

Abstract: A charging pile includes a power system and a charging terminal. The power system includes a first power unit, a second power unit, a power control unit, and a heat sink. The first power unit is connected to the second power unit, and the first power unit and the second power unit have same output voltages and same output currents. The power control unit is configured to control the output voltages and the output currents of the two power units. The charging terminal includes a charging control module, a direct-current distribution unit, and a charging plug. The charging plug is configured to connect to a to-be-charged battery and charge the to-be-charged battery. The direct-current distribution unit is configured to allocate a power supply to the charging plug. The charging control module is configured to bill and display the charging.

Abstract: Electronic or electrical systems and related methods provide a fast charging system for electrical vehicles and the like.

Abstract: A circuit for detecting a status of a ground connection in an electric motor includes a rectifier, a converter, a voltage conditioning circuit, a leakage circuit, and a comparator. The rectifier couples to an AC line within the motor and generates a first DC voltage. The converter steps-down the first DC voltage to a second DC voltage. The voltage conditioning circuit couples to the converter, leakage circuit, and comparator, and generates a reference DC voltage signal and a leakage voltage from the second DC voltage. The leakage circuit includes an impedance coupled to ground, and applies the leakage voltage to the impedance and generates a measurement signal representing a leakage current through the impedance to ground. The comparator couples to the leakage circuit and generates a logic signal, indicating a status of the ground connection, based on a voltage difference between the reference DC voltage signal and the measurement signal.

Abstract: A vehicle that enables external charging which is charging of a vehicle-mounted electric power storage device using electric power supplied from an electric power supply outside the vehicle includes a communication device configured to communicate with a server outside the vehicle, and an electronic control unit. The ECU is configured to execute a process for timer charging that is the external charging executed in accordance with a set time schedule. When the timer charging based on alternating current charging is performed, the ECU is configured to set the time schedule in the vehicle without using the server. When the timer charging based on direct current charging is performed, the ECU is configured to control the communication device to transmit data needed for setting the time schedule in a direct current electric power supply facility to the server.

Abstract: A control apparatus includes an optimization processing unit which individually calculates a sharing ratio of each of a plurality of energy storage apparatuses to adjusted total power of which demand and supply is adjusted by the energy storage apparatuses on the basis of state information of the corresponding energy storage apparatus, a calculation unit which calculates shared power in at least one energy storage apparatus using demand and supply adjustment information relating to the adjusted total power in the plurality of energy storage apparatuses and the sharing ratio of the at least one energy storage apparatus, and a communication unit which transmits the shared power to the corresponding energy storage apparatus.

Abstract: A charging system including means designed to detect the charging state of a traction battery of an electric vehicle, determination means for determining a charging curve for the traction battery starting from the detected charging state of the traction battery, and calculation means designed to calculate a charge profile which is formed from at least two time intervals with a respective interval-specific constant electric power. The charging curve defines the respective electrical power within a time interval.

Abstract: A power supply system includes a power distribution branch, a charging branch, and a control unit. The power distribution branch receives a first current. The charging branch includes a charging unit, and the charging branch receives a second current to charge an electric vehicle through the charging unit. The control unit is connected to the charging unit, and receives a current signal of the first current consumed by the power distribution branch. The control unit calculates an adjustment value of the second current according to a variation value of the first current when the first current is varied. A sum of the first current and the second current is less than or equal to an upper-limit value of a total household current. The control unit produces a charging command according to the adjustment value of the second current and provides the charging command to the charging unit.

Abstract: A plurality of charging equipment for charging electric vehicles share a current capacity. A first charging equipment of the plurality dynamically allocates electric current among the plurality of charging equipment such that the maximum amount of electric current capacity is prevented from being exceeded while permitting each of the plurality of charging equipment to charge an electric vehicle.

Abstract: Systems and methods are described for a power aggregation system. In one implementation, a method includes establishing a communication connection with each of multiple electric resources connected to a power grid, receiving an energy generation signal from a power grid operator, and controlling a number of the electric resources being charged by the power grid as a function of the energy generation signal.

Abstract: A vehicle includes: a power storage device configured to be charged using a power supply facility external to a vehicle; a communication device configured to obtain information indicating a user location Pu, from a user terminal carried by a user; and a vehicle ECU. In a charging standby state for the charging of the power storage device using the power supply facility, the vehicle ECU calculates a user traveling speed Vu and a user distance Du using user location Pu, and calculates a traveling time Tu required for the user to arrive at the vehicle using user traveling speed Vu and user distance Du. The vehicle ECU starts the charging of the power storage device when a value obtained by subtracting (i) a charging time Tc required to complete the charging of the power storage device from (ii) traveling time Tu becomes less than a predetermined value.

Abstract: A wireless automatic charging system for electric vehicles is disclosed, wherein the electric vehicle comprises a charging board, a Bluetooth device, a battery, as well as a battery management module electrically connected to the aforementioned charging board, Bluetooth device and battery and capable of detecting and recording the charging efficiency data concerning the charging board, and wherein the wireless automatic charging system for electric vehicles comprises a base seat, an air inflation and deflation device, a discharging board and a control console, wherein the battery management module in the electric vehicle can transfer the charging-related information of the electric vehicle to the control console via the Bluetooth module such, and adjust the distance between the charging board and the discharging board and/or charging power of the discharging board in accordance with the received charging efficiency data and the charging efficiency adjustment data.

Abstract: Problem To maintain high fuel consumption performance also in the charging by a drive of an alternator at the non-deceleration in a power source management system that drives the alternator during vehicle deceleration to charge a battery. Solution A power generation cost of an alternator is found from a rotational speed and torque of an engine at the non-deceleration. The alternator is driven only when an SOC of a battery is in a drive permission zone Z in which, based upon the power generation cost, the SOC and the power consumption, the SOC is the lower as the power generation cost is the higher and the SOC is the higher as the power consumption is the higher. The fuel consumption performance is higher as compared to a conventional example of always driving the alternator when the SOC is equal to or less than a maximum upper limit value SOCm regardless of the power generation cost as an index of an engine efficiency.

Abstract: A wireless charging transmitter module may include a plurality of coil devices, a magnetic field shielding sheet to cover one side of the plurality of coil devices, and a heat dissipation plate to cover the magnetic shielding sheet, so that heat may be more efficiently dissipated through the heat dissipation plate.

Abstract: A charging station for charging an electric vehicle may include a first pair of charging electrodes electrically connected to a first charger and a second pair of charging electrodes electrically connected to a second charger electrically isolated from the first charger. The first pair charging electrodes may be configured to make contact with and provide power to a first pair of charge-receiving electrodes of the electric vehicle, and the second pair charging electrodes may be configured to make contact with and provide power to the first pair of charge-receiving electrodes of the electric vehicle.

Abstract: A vehicle includes a battery. The vehicle includes a controller configured to inhibit battery charge. The charge inhibition is responsive to state of charge (SOC) of the battery achieving a cascading ceiling threshold during grid charge that decreases each day of a multiday period such that each day an SOC increase during the grid charge to achieve the ceiling threshold is same and the SOC achieves a floor threshold upon completion of a final day drive cycle of the multiday period.

Abstract: A remote energy monitoring and swapping network for electric vehicle based on cloud computing network, which uses cloud computing technology, Internet of Things technology, video identification technology and remote monitoring system with remote monitoring center based on multi-type monitoring system to control electric vehicle, remote battery monitoring system and battery swapping system. The remote monitoring center and battery swapping system replace the first battery pack and the second battery pack on the electric vehicle chassis in nine steps. Battery swapping station solves the problem of battery energy supply by station nets, which lays a theoretical and technical foundation for the popularization of electric vehicles. The remote monitoring center's control of the whole battery swapping process improves the work efficiency, saves labor cost and reduce battery cost.

Abstract: An electric vehicle includes an electric motor, a power storage device, a control device, and a refrigerant circuit. The refrigerant circuit includes a compressor, an outdoor heat exchanger, a first indoor heat exchanger, a first expansion valve, a second expansion valve, and a second indoor heat exchanger. The control device repeats an operation of performing the other of a first operation and a second operation after performing one thereof when a remaining capacity of a power storage device is equal to or larger than a predetermined value. In the first operation, the first expansion valve is not decompressed and the second expansion valve is decompressed. In the second operation, the first expansion valve is decompressed and the second expansion valve is not decompressed.

Abstract: Methods and systems are described of managing a battery system. The battery system including at least one battery cell and one or more sensors configured to measure a temperature of the at least one battery cell. The method includes receiving a measurement of the temperature of the at least one battery cell, estimating an open circuit potential of the at least one battery cell, estimating a capacity fade of the at least one battery cell based on the open circuit potential of the at least one battery cell and a ratio of a change in the open circuit potential relative to a change in the temperature of the at least one battery cell, and regulating at least one of charging or discharging of the at least one battery cell based on the estimation of the capacity fade.

Abstract: A charging station for charging an electrically powered vehicle includes a power source that provides recharging power to one or more energy storage devices on the electrically powered vehicle and a charging device that controls energy transfer from the power source to the electrically powered vehicle. The charging device provides a control pilot signal to a vehicle control circuit of the electrically powered vehicle, with the control pilot signal being received by the vehicle control circuit upon connection of the electrically powered vehicle to the charging station. The charging device measures a voltage level of the control pilot signal upon connection of the electrically powered vehicle to the charging station, performs a selected pre-charge testing routine based on the measured voltage level of the control pilot signal, and enables charging of the electrically powered vehicle from the power source upon compliance with the selected pre-charge testing routine that was performed.

Abstract: An example embodiment includes a landing pad having a housing and a power terminal configured to draw electric power from a power source. The landing pad further includes an electrically conductive landing terminal dorsal to the housing and configured such that, during a landing state of an aerial vehicle, the landing terminal makes contact with a plurality of electric contacts disposed ventrally to a fuselage of the aerial vehicle. The landing terminal is configured to transfer electric power drawn by the power terminal to the aerial vehicle via the electric contacts during the landing state of the aerial vehicle.

Abstract: A novel automobile charger comprises a direct current (DC) voltage supply, wherein a positive pole of the DC voltage supply is connected with a first end or a first lead of a DC-to-DC module, a first end of a battery voltage detection module and a first end of a load module simultaneously, while a negative pole of the DC voltage supply is connected with a second end of the DC-to-DC module, a first end of a microcontroller, a first end of an automobile start control module and a second end of the battery voltage detection module simultaneously. A third end of the DC-to-DC module is connected with a second end of the microcontroller. A first end, a fourth end, and a fifth end of the microcontroller are connected with a third end of the battery voltage detection module, a second end of the automobile start control module and a first end of a load detection module respectively.

Abstract: A housing device includes a first housing part and a second housing part arranged at different heights, each housing part to house a storage battery, and a first guide and a second guide to assist insertion of the storage battery into a respective one of the first housing part and the second housing part. The first guide and the second guide assist the insertion of the storage batteries in different respective manners.

Abstract: The invention relates to systems and methods for charging a vehicle. A vehicle and charging station can be designed such that an electric or hybrid vehicle can operate in a fashion similar to a conventional vehicle by being opportunity charged throughout a known route.

Abstract: Provided is a vehicle port device that includes a lid (38) that selectively closes an opening (44) of a port accommodating space facing outwardly on a vehicle body, a first display unit (52) positioned in the port accommodating space, and a second display unit (54) configured to indicate a failure in the port module and positioned in the port accommodating space. The lid includes a translucent part (46A) opposing the first display unit and an opaque part (46B) opposing the second display unit in a closed state of the lid.

Abstract: An apparatus for a power system. The apparatus includes multiple electrical power sources and an enclosure operatively connected to the power sources at multiple input terminals. Multiple loads operatively connect to the enclosure at multiple output terminals by multiple cables. The enclosure includes the input terminals and the output terminals and a controller unit. Multiple selection units operatively connect to the controller unit, multiple power converters are connected to multiple connection paths. The selection units connect to at least one of multiple switches connected in the connection paths. Multiple sensor units are operatively attached to the controller unit which is configured to sense multiple parameters in the connection paths. Responsive to the parameters sensed by the sensor units, the selection units select the connection paths between the electrical power sources and the loads.

Abstract: A full-service electric vehicle charging station and method of operating the station can provide for efficient and secure vehicle access and movement. The full-service charging station can include a parking area with a charging area; an electric vehicle charger at the charging area; and a full-service charging station server. The full-service charging station server is configured to receive vehicle identification information and a charging confirmation profile from the electric vehicle. The vehicle identification information or the charging confirmation profile includes location information relating to the electric vehicle. Additionally, the full-service charging station server is further configured to disseminate a command profile directly, indirectly, or a combination thereof, to the electric vehicle. The command profile includes a security-based command, a driving command, or both a security-based command and a driving command.

Abstract: In a charging control apparatus, a supply power requestor requests an external power source to output supply power having a constant voltage and a constant current. A voltage conversion instructor instructs a voltage conversion device to perform voltage conversion of the supply power from the external power source such that converted supply power has a charging voltage and a charging current that are respectively within allowable charging-voltage range and allowable charging-current range. The voltage conversion instructor instructs the voltage conversion device to output the converted supply power to the power storage to thereby charge the power storage.

Abstract: When batteries of a plurality of electric autonomous moving bodies are charged, a plurality of electric autonomous moving bodies are aligned in a serial state, a second connection means of one of the electric autonomous moving bodies that are adjacent to each other in a direction in which the electric autonomous moving bodies are aligned and a first connection means of the other one of the electric autonomous moving bodies that are adjacent to each other are electrically connected to each other, and the first connection means of the electric autonomous moving body that is the closest to the charger unit and the connection means of the charger unit are electrically connected to each other. In this case, power is supplied from the charger unit to each of the electric autonomous moving bodies, thereby charging the batteries of the plurality of electric autonomous moving bodies.

Abstract: The system is a system for a battery exchanger that accepts a used first battery and provides a charged second battery. The above system includes a support target information receiving unit that receives, from a supporter that supports operation of a battery exchanger, an instruction for selecting the battery exchanger for which the supporter supports operation from among multiple battery exchangers. The above system includes a user information providing unit that provides the supporter with information on the user of the battery exchanger selected by the supporter, according to support value information indicating the value of the support for the operation of the battery exchanger by the supporter.

Abstract: A docking station for a robotic lawnmower includes a base, an electrical connector above the base and positioned along a longitudinal axis of the docking station, and a central guide member positioned on the base and along the longitudinal axis. The central guide member includes a right lateral surface extending away from the longitudinal axis and toward the electrical connector from a first end portion proximate the longitudinal axis to a second end portion, and a left lateral surface extending away from the longitudinal axis and toward the electrical connector from a first end portion proximate the longitudinal axis to a second end portion.

Abstract: A charging system for a vehicle includes: a power transmitter transmitting power for charging a battery of a vehicle; a charger including a three-phase motor and inverter, and receiving the power from the power transmitter; an input voltage calculating processor selecting any one of a plurality of predetermined duty ratios and calculating a value of an input voltage supplied to the charger based on the selected duty ratio and a voltage value of the battery of the vehicle; an input current calculating processor calculating a value of an input current based on the calculated value of the input voltage and a value of the power transmitted by the power transmitter; a power transmission controller instructing the calculated input current to be input to the charger; and a charging controller instructing the battery of the vehicle to be charged.

Abstract: An energy module exchange system may include an enclosure with one or more storage racks configured to store and charge energy modules; an opening in the enclosure; and a robotic arm configured to retrieve the energy modules from the storage racks and pass them through an opening in the enclosure for exchange with an electric vehicle.

Abstract: An on-board charger (OBC) for charging a traction battery of an electric vehicle includes a primary phase, a secondary phase, and a pre-charge circuit. Each phase includes a circuit having an input and an output. The primary phase circuit input is connectable to a mains supply to connect the primary phase to the mains supply. The secondary phase circuit input has an input capacitor. The pre-charge circuit is connected between the circuit outputs and is switchable between an opened state in which the pre-charge circuit disconnects the circuit outputs and a closed state in which the pre-charge circuit connects the circuit outputs. When the pre-charge circuit is in the closed state, an electrical current may flow through the pre-charge circuit from the primary phase circuit output to the secondary phase circuit output and through the secondary phase circuit to the input capacitor to charge the input capacitor.

Abstract: A charge transfer device for transferring charge between a local power grid and an electric vehicle is mounted to a street light. The charge transfer device includes a control device to control application of charge transfer between the local power grid and the electric vehicle. The charge transfer device is coupled to the local power grid through a wiring box that also couples the street light to the local power grid. The charge transfer device includes a current measuring device to measure an amount of current flowing for charge transfer. The charge transfer device includes a controller to cause the control device to control application of charge transfer and monitor output from the current measuring device.