Abstract: An electric circuit device including a first high voltage serial connection circuit 2a and a second high voltage serial connection circuit 3a, those are provided on a board and connected to an end of high electric potential of a power source for automobile use; and a first low voltage serial connection circuit 2b and a second low voltage serial connection circuit 3b, those are provided on the board and connected to an end of low electric potential of the power source for automobile use, wherein the first high voltage serial connection circuit 2a and the second high voltage serial connection circuit 3a are respectively disposed on both surfaces of the board opposite to each other, and the first low voltage serial connection circuit 2b and the second low voltage serial connection circuit 3b are respectively disposed on the both surfaces of the board opposite to each other.

Abstract: A power system for a vehicle includes a traction battery that provides power to drive the vehicle, a load, and a harness having wires electrically connecting the traction battery and load, and shielding covering the wires. The power system further includes one or more control blocks that drive a signal onto the shielding, and responsive to an absence of detecting feedback from the signal, issue an interlock integrity alert.

Abstract: A power conversion system includes a power conversion device, a connector, and a processing module. The power conversion device is connected to a power system. The attached state and the unattached state of the connector relative to a connecting port that is provided in an apparatus having a battery mounted therein can be selected. The processing module is configured to determine that a malfunction has occurred when a voltage is applied to a portion that electrically connects the connector and the connecting port in a period in which transmission of electric power with respect to the battery is stopped.

Abstract: A power generation system and a power generation method for a fuel cell vehicle, the power generation system comprising a main line that sequentially and electrically connects a fuel cell, a high voltage DC-DC converter, and a high voltage battery; an external power consumption device connecting unit; and a controller that controls the fuel cell or the high voltage DC-DC converter by selecting a mode for supplying power to an external power consumption device by using only power generated by the fuel cell, a mode for supplying power to the external power consumption device by using only the high voltage battery, or a mode for operating the fuel cell or the high voltage DC-DC converter in a high efficiency output interval, according to power consumption of the external power consumption device.

Abstract: In an example, an integrated circuit includes a communication and control unit. The communication and control unit controls an inverter that applies an alternating current output signal to a transmission coil for reception by a receiver. The communication and control unit causes the inverter to provide a first and second transmit powers to the transmission coil, and the communication unit receives a first and second power received signals from the receiver in response to the first and second transmit powers. The communication and control unit determines a first gain and offset using the first transmit power, the first power. When a third transmit power greater than the second transmit power is transmitted by the transmission coil, the communication and control unit determines a second gain and a second offset using the first transmit power, the first power received signal, the third transmit power and a third power received signal.

Abstract: Embodiments of the present disclosure describe various techniques for integrating wireless power facilities or functionality into an existing object or device via embedded or deposited surface antennas. More specifically, the techniques described herein provide for the ability to embed and/or otherwise deposit spatially-arrayed adaptively-phased antennas on the surface of an existing object or device such that the antennas are exposed to air and/or otherwise lacking significant interference. In some embodiments, a wireless power control system is operatively coupled to the antennas to independently control phases of the phased of the antennas in a wireless power delivery environment.

Abstract: Systems, methods and apparatus are disclosed for wireless power transfer using multiple receive coils. In one aspect a wireless power receiver is provided that is configured to receive wireless power from a wireless power transmit coil. The wireless power receiver includes a first receive coil having a first mutual coupling with the transmit coil. The wireless power receiver further includes a second receive coil having a second mutual coupling with the transmit coil. The wireless power receiver further includes a load coupled to at least one of the first receive coil and the second receive coil for receiving the wireless power.

Abstract: A single-phase Energy Utilization Tracker (EUT) inverter that comprises two DC/AC conversion modules. At any time, the two modules combined can sequentially extract and convert most the power provided by a DC energy source into two AC power (voltage) trains. The first AC power (voltage) train conforms to the power grid convention; while the second AC power train has a 90 degree phase difference to the specific power line pair. In according to the principle described herein, this single-phase EUT inverter further comprising a phase adjuster to adjust the phase of the second AC power (voltage) train by 90 degrees to become synchronous with the first AC power train; both AC power trains being then suitable to deliver into the same power line.

Abstract: An electric power transmission device includes an electric power transmission portion, a first communication portion, and a first control device controlling the electric power transmission portion and the first communication portion. A vehicle includes an electric power reception portion, a second communication portion, and a second control device controlling the electric power reception portion and the second communication portion. The first control device and the second control device determine whether or not to cause the electric power transmission portion to transmit electric power based on an instruction from a user which is provided after the user is notified of a status of electric power reception in the electric power reception portion or an estimated status of electric power reception in the electric power reception portion.

Abstract: Linear electric actuators are used for moving forks or tines of a forklift. The tines can be positioned to move horizontally, inward or outward, along a guide, according to actuation of the linear electric actuators. The loading area comprising the tines can be positioned to move vertically, upward or downward, along masts or uprights of the forklift. The actuators for the tines can be operated by a battery. When the tines are in the down position, the battery can be charged by a charging system that includes a part fixed to the forklift. However, when the forks are raised from the down position, vertically along the masts or uprights, the charging ceases, and the actuators can continue to operate from the battery.

Abstract: An electrodynamic apparatus includes a first arm extending in a first direction, a second arm supported by the first arm, and a first linear actuator that is provided in the first arm or the second arm and moves the second arm along the first direction with respect to the first arm. The first arm includes a first power transmission antenna. The second arm includes a first power reception antenna. The first power transmission antenna supplies electric power to the first power reception antenna wirelessly. The first power reception antenna supplies the supplied electric power to a load electrically connected to the first power reception antenna.

Abstract: A dual function solid state power converter operable from a three phase AC input current simultaneously provides; an AC or DC output current on an aircraft power cable which extends from a stowed position to provide ground power to a parked aircraft, and a low voltage DC current on a battery charging power cable which extends from a stowed position to charge batteries in nearby service vehicles. The power converter includes an AC to DC converter which converts the AC input current to a DC current on an internal DC bus, a DC to AC converter which converts the DC bus current to an AC current at a higher voltage and frequency, or a DC to DC converter which converts the DC bus current to a lower voltage DC, for supplying ground power by means of a connecting cable to a parked aircraft, and a DC to DC converter for converting the DC bus current to a lower voltage battery charging current on the battery charging cable.

Abstract: A power conditioning system that includes a fuel cell to be connected to a load, a fuel cell converter connected between the fuel cell and the load, the fuel cell converter converting an output voltage of the fuel cell at a predetermined required voltage ratio, a battery connected in parallel with the fuel cell with respect to the load, the battery serving as a power supply source different from the fuel cell, a battery converter connected between the battery and the load, the battery converter converting an output voltage of the battery at a predetermined required voltage ratio, a voltage adjusting unit configured to adjust an output voltage of the battery converter to a predetermined voltage to generate a DC link voltage for synchronizing an output voltage of the fuel cell converter and the output voltage of the battery converter, and a ripple suppressing unit configured to cause the battery converter to suppress a ripple component of the DC link voltage in a situation where the DC link voltage is higher th

Abstract: A method of controlling an electronic apparatus includes supplying power to a second controller, receiving an activation time for supplying power to a communication portion and a deactivation time for interrupting power to the communication portion, setting time information based on the activation time and the deactivation time, performing, based on the time information, a standby step that includes interrupting power to a first controller, a first load portion, and the communication portion while supplying power to the second controller, controlling the communication portion switch to supply power to the communication portion based on the activation time, determining whether the communication portion has received the control command from the remote control terminal, and interrupting the power supplied to the communication portion and re-executing the standby step based on determining that the communication portion has not received the control command from the remote control terminal.

Abstract: A system for providing programmable grid response characteristics includes a generator set having an alternator output voltage, where the alternator output voltage is rectified to provide DC power to a DC bus of the generator set. The system further includes a programmable inverter having power electronics configured to receive a response requirement corresponding to a code requirement of a grid, receive the DC power from the DC bus, and condition the DC power based on the response requirement to provide an AC output response. The AC output response meets specifications of the response requirement.

Abstract: A method of charging an electric vehicle. The electric vehicle includes a battery, an inverter, and a motor including at least three-phase coil windings. When the electric vehicle is in a driven state, a direct current output from the battery is converted into a three-phase alternating current by a forward operation control of the inverter. The three-phase alternating current is output to the motor and drives the motor to operate. When the electric vehicle is in a charging state, an external three-phase alternating current is input into the inverter via three charging inductors and converted into the direct current by a reverse operation control of the inverter to charge the battery.

Abstract: Charging for one or more powered devices on a vehicle may be implemented on support components of a vehicle which may be movable with respect to one another to accomplish a function. When the support components are in a first position, a power unit in communication with a power source of the vehicle may be used to charge a rechargeable power storage unit proximal to the power unit. The power storage unit, in turn, may provide power to one or more powered devices which may be separately housed. When the support components are in a second position, such as to accomplish a work function, the charged power storage unit may continue to provide power to the powered device(s) despite the power storage unit and the powered device(s) being distal to the power unit and the power source. In addition, or in the alternative, contact based charging may be implemented to charge the rechargeable power storage unit in the first position.

Abstract: A grid connection power conversion device having isolated operation function for connecting a distributed power supply to a commercial power system is provided which comprises an inverter for converting DC power to AC power, a capacitor connected between the inverter and the commercial power system, a commercial voltage amplitude detection circuitry, an amplitude adjustment circuitry to increase an amplitude of an output voltage from the inverter stepwise from a given value to match the amplitude of the commercial system voltage, and a start-up control circuitry to control the grid connection power conversion device so that after the amplitude adjustment circuitry adjusts the amplitude of the output voltage from the inverter, after the start-up, to match the amplitude of the commercial system voltage detected by the commercial voltage amplitude detection circuitry, the start-up control circuitry connects the inverter to the commercial power system to start grid-connected operation.

Abstract: The disclosure relates to a method and a circuit for the improved use of a capacitance in an intermediate circuit. According to the disclosure, a change in a voltage in an intermediate circuit is detected and electrical energy is actively provided depending on the change in the electrical variable in order to compensate the change. According to the disclosure, a capacitance used in the intermediate circuit can end up significantly smaller if the electrical energy fed in is used, in that the voltage of the capacitance is supported by a current fed into the capacitance on the earth side.

Abstract: The present disclosure relates to a load sharing system having a plurality of power supplies for powering a plurality of corresponding loads. Each one of the power supplies is associated with at least one of the loads. A power bus is also provided. A plurality of inductors is connected to the power bus. Each one of the inductors is further connected to at least one of the loads and to at least one of the power supplies, such that each adjacent pair of the inductors is connected in parallel relative to at least one of the loads. Each of the inductors has an inductance value sufficient so that if a fault develops on the power bus it serves to isolate the power supplies from the power bus. The inductance value further is such that if any one of the power supplies fails, the specific pair of inductors coupled in parallel to the load associated with the failed power supply allows the load to draw power over the power bus from other ones of the power supplies through the specific pair of inductors.