A wireless charging system includes a first power receiving device connected in parallel to a first battery and including a first sub resonant circuit having a first resonant frequency, a second power receiving device connected in parallel to a second battery and including a second sub resonant circuit having a second resonant frequency, and a power transmitting device. The power transmitting device is for determining a charging order between the first battery and the second battery. The power transmitting device wirelessly transmits first alternating current (AC) power having the first resonant frequency to the first sub resonant circuit when the first battery is selected according to the charging order and wirelessly transmits second AC power having the second resonant frequency to the second sub resonant circuit when the second battery is selected according to the charging order.

This application is directed to an apparatus for providing electrical charge to a vehicle. The apparatus comprises a driven mass configured to rotate in response to a kinetic energy of the vehicle, the driven mass coupled to a shaft, where rotation of the driven mass causes the shaft to rotate. The apparatus further comprises a hardware controller. The hardware controller identifies output power parameters for the vehicle and generate a control signal based on the identified output power parameters for the vehicle. The apparatus also comprises a generator that generates an electrical output based on a mechanical input and a conditioning circuit electrically coupled to the generator. The conditioning circuit receives the electrical output from the generator and the control signal from the hardware controller, generates a charge output based on the electrical output and the control signal, and conveys the charge output to the vehicle.

A seat device for a vehicle includes: a support member detachably attached to a floor of the vehicle; an occupant seat movably supported by the support member and provided with an electrical component; and a wireless power supply mechanism configured to supply electric power to the electrical component. The wireless power supply mechanism includes a power transmitting unit attached to the floor, and a power receiving unit attached to the support member so as to face the power transmitting unit and configured to receive the electric power wirelessly from the power transmitting unit.

Vehicles can employ onboard telematic monitoring devices to collect vehicle and operation data, such as for improved vehicle fleet management. Such telematic monitoring devices are dependent on power from a vehicle, such that data collection and communication can be interrupted if a telematic monitoring device is disconnected or has a poor connection. The present disclosure relates to battery devices, which provide power to telematic devices as needed in order to maintain data collection and communication, or other more limited functionality. The present disclosure also relates to systems including battery devices, and methods for operating battery devices.

A generator set for a transport climate control unit is provided that is operable at a first frequency and a second frequency. The generator set includes a generator, a prime mover configured to operate at a first non-zero speed and a second non-zero speed that is less than the first non-zero speed, and a genset controller configured to control operation of the generator set. When operating at the first non-zero speed, the genset controller is configured to monitor a prime mover load parameter to determine whether the prime mover is approaching or has exceeded an overload or stall situation. The genset controller is configured to reduce the speed of the prime mover from the first non-zero speed to the second non-zero speed to prevent the overload or stall situation.

A vehicle includes a power supplier, a junction block configured to supply power from the power supplier, an integrated central control unit configured to receive the power from the junction block, a controller configured to be receive the power through the integrated central control unit and to control at least one load unit of the vehicle, and a control unit configured to identify a power failure location of the vehicle and to determine a power supply method of the junction block during an autonomous driving of the vehicle, based on power monitoring information of each of the integrated central control unit, the junction block, and the controller and predetermined condition information, the predetermined condition information including power supply state information and power supply method information of each load unit corresponding to each of a plurality of pieces of power failure location information.

A transport refrigeration unit is configured to provide conditioned air to a refrigerated cargo space and includes: an AC battery pack configured to store and convert DC electricity to AC electricity and provide the AC electricity to power the transport refrigeration unit as three phase electrical power, the AC battery pack includes: a first phase group including a first plurality of battery modules, the first phase group being configured to provide the AC electricity in a first phase; a second phase group including a second plurality of battery modules, the second phase group being configured to provide the AC electricity in a second phase; and a third phase group including a third plurality of battery modules, the third phase group being configured to provide the AC electricity in a third phase. The first phase, the second phase, and the third phase are each shaped as a stair step sine wave.

A system for providing both driving and charging functionality by using a plurality of traction inverters and a plurality of energy storage devices coupled to one another across the electric motor; an AC/DC converter front-end circuit interfacing the first/second traction inverters and the power source; a controller circuit configured to control operating characteristics of the AC/DC converter front-end circuit, wherein the first/second traction inverters are provided gating signals to one or more switching gates of the first/second traction inverters to shape power characteristics of power delivered to the first/second energy storage devices, from the power source.

A power supply control apparatus includes: a first system configured to supply electric power of a first power supply to a first load; a second system configured to supply electric power of a second power supply to a second load; an inter-system switch capable of connecting the first system to the second system and disconnecting the first system from the second system; a battery switch capable of connecting the second power supply to the second system and disconnecting the second power supply from the second system; a primary ground fault detection unit configured to cut off the inter-system switch and conduct the battery switch when a ground fault of the first system or the second system is detected by the primary ground fault detection unit; a secondary ground fault detection unit as defined herein; and a failure determination unit as defined herein.

A switch arrangement for providing alternative distribution paths in a system for distributing electrical power in a vehicle including electrical power supplies and electrical loads. The switch arrangement includes a first switch adapted to be connected to a first electrical element, a second switch adapted to be connected to the first electrical element and a second electrical element, and a third switch adapted to be connected to the electrical element and a third electrical element. Each of the first, second, and third switches is independently controllable, and selective operation of each of the first, second, and third switches to its open or closed state interconnects at least two of the first, second, and third electrical elements to establish one of multiple alternative distribution paths to connect one of the power supplies and one of the loads or to connect two of the power supplies.