A system for charging a battery includes a charge port configured to be electrically connected to an inverter and a multi-phase electric motor, the inverter and the electric motor configured to be powered by a battery, and a charging system including a charge port bus configured to electrically…
A method includes coupling a charge port to an inverter and an alternating current (AC) electric motor. The method also includes performing field-oriented control (FOC) for controlling the inverter and the electric motor for converting AC power received from the charge port to first direct current…
In a normal state, the system startup is performed by turning on the positive-side relay of the system main relay and the precharge relay to charge the high-voltage-side smoothing capacitor, then turning on the negative-side relay, and further charging the branch-side smoothing capacitor by the…
A power conversion device includes a negative side wiring and a positive side wiring. The positive side wiring is provided with a coil of a motor. The power conversion device uses a coil to boost a DC voltage. The power conversion device includes a Y capacitor provided between the positive side…
A power conversion system includes a power converter including a plurality of switches, one or more capacitors, and a charging connector, wherein the power converter is configured to operate in each of a two-level inverter mode, a three-level inverter mode, a two-level converter mode, a three-level…
Examples relate to an electric vehicle charging system comprising a drive unit with a motor and inverter, a battery pack, a charging interface, and a controller. The controller reconfigures the drive unit to function as a boost converter, boosts voltage received from an external charging source…
A charging method and a charging device (100) for a power battery, which can improve the charging efficiency. The charging method is applied to a charging device. The charging device comprises N energy storage units (110, 120) connected in parallel. Each energy storage unit comprises an energy…
The present invention relates to a battery swapping station having a mode in which a battery pack is operated at the time of power supply interruption that is capable of, when the supply of power to a battery swapping station (BSS) configured to charge a swappable battery is interrupted due to…
An universal on-board charger cum inverter system () adapted to be implemented within a vehicle has been provided. The system comprises a unified charger cum traction inverter (UCCTI) (), a traction motor (), a first circuit breaker () and a second circuit breaker () and a controller (). The…
An energy storage apparatus can comprise a battery enclosed within a housing and an ultracapacitor directly electrically coupled with the battery via one or more high voltage lines. The ultracapacitor can form a single integrated unit with the battery within the housing. The ultracapacitor can have…
An electrified vehicle may include: a main battery and an auxiliary battery; a motor system including a dual inverter connected to the main battery and driving a motor depending on a motor driving mode, and a transfer switch for switching between first and second driving modes included in the motor…
The battery electric vehicle selects and executes a charge mode from a first charge mode in which power supplied from an external power source device to a first neutral point of a first motor is supplied to a power storage device via the first motor and a first inverter, and a second charge mode in…
An energy management system can comprise a capacitor device, a first diode electrically coupled with the capacitor device and configured to bias an energy flow toward the capacitor device, a battery device having a greater energy density and a smaller power density than the capacitor device, the…
The present disclosure discloses a multiplexing topological structure for simultaneously realizing control of a duplex-winding motor and charging of an on board charger. By controlling the connecting and disconnecting state of a specific relay, the bidirectional switching between the control…
Electrified vehicle includes a first motor, a battery for supplying power to the first motor, a first inverter for converting DC power from the battery into AC power supplied to the first motor, a charging inlet for receiving charging power for charging the battery, a charging circuit for…
Power systems capable of charging chargeable systems at a power greater than or equal to a predetermined value are disclosed. Example embodiments may be a power system for an electric vehicle. The chargeable system may be an electric vehicle. Some embodiments are capable of peer-to-peer fast…
An electric drive system is actively controlled while an electrified vehicle is being towed. The inverter switches are manipulated to preclude exceeding a maximum voltage of a DC bus and also to preclude exceeding a maximum phase current magnitude. During a transition from an inverter off state to…
A system for managing a vehicle's energy can comprise an energy generation system, one or more energy storage devices, and a hardware controller. The energy generation system can generate energy to provide to the one or more energy storages devices and/or to a motor of the vehicle. The hardware…
A charging system of a vehicle includes a first conversion device of a first drive system of the vehicle, the first conversion device connected to a first electric motor. The system also includes a second conversion device of a second drive system of the vehicle, the second conversion device…
An electric or Hybrid vehicle is provided, the electric or Hybrid vehicle including: a battery configured to provide motive power to the vehicle; one or more electrical systems controlling one or more operations of the vehicle; a turbine configured to be exposed to airflow while the vehicle is in…
A system for generating energy on board a vehicle can comprise a flywheel, a bearing, an energy generation unit, and a stabilization bracket. The flywheel can rotate based on at least a kinetic energy of a driven mass selectively coupled to the flywheel via the bearing. The energy generation unit…
A power supply system includes a power storage device; a power control device with a capacitor configured to be pre-charged with electric power from a power source other than the power storage device; a contact relay configured to electrically connect the power storage device and the power control…
An on-board power subsystem has an energy storage unit and a control device for charging the energy storage unit, as well as an on-board power connection for connection to electrical components of the vehicle, and a DC voltage connection for connection to a land-based charging station and an energy…
The invention relates to a charging device (), comprising: an input-side first terminal (__) for connecting to an electrical energy source (); an output-side second terminal (__) for connecting to a battery () to be charged; and a transformer (), the primary winding (_) of which is electrically…
This disclosure is directed to methods and systems for charging an electric vehicle. A charging system may be used to charge the energy storage devices of an electric vehicle by using the power generation or regeneration systems or devices of the vehicle. The vehicle may access the charging system…
A method and system for bidirectional charging in an electric vehicle include controlling a multi-phase machine in the electric vehicle. In response to determining that a direction of energy flow is from an electric grid to the electric vehicle, the method and system include operating a first set…
The disclosure relates to a traction network for a motor vehicle, wherein the traction network comprises at least one high-voltage battery, an inverter, an electric machine, a DC charging terminal, and an AC charging terminal, wherein a rectifier and a DC/DC converter are arranged between the AC…
A battery charging system includes a first inverter including first switching elements and DC and AC terminals connected to the battery and a first end of the windings of a motor, respectively; a second inverter including second switching elements and DC and AC terminals connected to the battery…
Methods and systems for predicting a potential alternator failure in a motor vehicle are provided. The method includes determining a potential alternator undercharging condition if a duration between the maximum cranking voltage time stamp and the maximum device voltage time stamp is greater than…
This application relates to the field of vehicle control technologies, and provides a motor-driven system and a vehicle, to simplify a structure of the motor-driven system and reduce costs. The motor-driven system includes: a bidirectional charger, an excitation drive component, and a motor…