Abstract: A system for delivering electrical energy to a chargeable unit of an electrically powered object characterised by comprising: •at least one input line for delivering electricity from a grid and/or a source of renewable electrical energy; •optionally a first converter disposed within the input line(s) for converting alternating current to direct current; •at least one reservoir of electrical energy connected to the input line(s) and including (a) a plurality of supercapacitors arranged in series or parallel and (b) a means for delivering an output voltage and current therefrom; •at least one second converter adapted to step-up or down the output voltage from the reservoir(s) to a charging voltage of the chargeable unit and •at least one dispensing means connected to the systems and adapted to cooperate with a corresponding connector means on the object to enable the charging voltage to charge the chargeable unit.

Abstract: In the event of external charging where a charging device charges a power storage device with electric power from an external electric power source, a current indication for the external charging is transmitted to the charging device. In this case, in the event of the external charging, a response speed of the charging device is estimated based on change of current in the power storage device due to change of the current indication after start of charging, and the current indication is set in consideration of the response speed of the charging device after the response speed of the charging device is estimated.

Abstract: A power supply system supplies power from a moving body including a battery and an electric drive source to an external power supply target. The power supply system includes a DC-DC converter circuit provided in an internal power feeding path between the battery and the electric drive source, a connection circuit capable of electrically connecting the DC-DC converter circuit to a power receiving terminal (power supply inlet) of the power supply target, and a control device for controlling the DC-DC converter circuit so as to supply surplus power of the battery to the power supply target via the DC-DC converter circuit and the connection circuit.

Abstract: A power transmitter for wireless power transfer includes a control and communications unit configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver and including a pulse width modulation (PWM) signal generator for determining and selecting the operating frequency from the operating frequency range. The power transmitter further includes an inverter circuit configured to receive a direct current (DC) power and convert the input power to a power signal, coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer, the coil defining, at least, a top face, and a shielding comprising a ferrite core and defining a cavity, the cavity configured such that the ferrite core substantially surrounds all but the top face of the coil.

Abstract: A battery control system and method selectively connect battery strings to one or more conductive buses by plural electrically controllable switches. The switches are controlled to one or more of (a) connect the strings with one or more of the load or the power source via the one or more conductive buses in a first sequence and/or (b) disconnect the strings from one or more of the load or the power source via the one or more conductive buses in a second sequence. The first sequence and the second sequence are based on one or more of states of charge between the strings, different charge capacities between the strings, different electric currents conducted through the strings, different polarities of the electric currents conducted through the strings, and/or a speed of a vehicle that is powered by the one or more loads.

Abstract: A foreign substance detection device for limiting deterioration in accuracy of foreign substance detection even if a foreign substance detection region changes. The device includes an imaging device configured to keep a region for detecting a foreign substance in an imaging range of the imaging device and a determination unit configured to determine a presence or absence of the foreign substance on the basis of a result of comparing a captured image captured by the imaging device with a reference image free of the foreign substance in the imaging range. The determination unit determines that the captured image is free of a foreign substance on the basis of the result of comparing and a prescribed first condition is satisfied, the unit executes an update process of replacing the reference image with the captured image for which the unit determines freedom of a foreign substance as an updated reference image.

Abstract: Acoustic resonator devices and filters are disclosed. An acoustic resonator includes a substrate having a surface. A back surface of a single-crystal piezoelectric plate is attached to the surface of the substrate except for a portion of the piezoelectric plate forming a diaphragm spanning a cavity in the substrate. An interdigital transducer (IDT) is formed on a front surface of the piezoelectric plate with interleaved IDT fingers of the IDT disposed on the diaphragm. Back-side fingers are formed the back surface of the diaphragm. A pitch of the IDT fingers and a pitch of the back-side fingers are substantially equal.

Abstract: An apparatus for transmitting electrical energy to an electrical consumer, includes a transmitter device for transmitting an electrical energy having at least one first coil and a first capacitor for producing a resonant tank circuit at the transmitter device; at least one receiver device for receiving the energy transmitted by the transmitter device, including a second coil and a capacitor for producing a resonant tank circuit at the receiver device, wherein the receiver device is connectable to the consumer to form an electrical connection; a power amplifier; a transformer for matching the impedance between the resonant tank circuit at the receiver device and the consumer; and an electrical energy source—for supplying the resonant tank circuit at the transmitter device with electrical energy.

Abstract: A platform module having switchable power for a vehicle including a movable member capable of achieving multiple positions and a position sensor. The movable member includes a plurality of ports configured to provide power. The position sensor is configured to detect a position of the movable member. A first port from the plurality of ports is configured to provide power when the movable member is in a first position; and a second port from the plurality of ports is configured to provide power in response to detecting that the movable member is in a second position. Further, a method is provided for switching power to the platform module.

Abstract: An automotive vehicle includes an electric machine, a traction battery, and a power converter. The power converter transfers power between the electric machine and traction battery. The power convert includes a switch that defines a portion of a phase leg, a gate driver circuit that provides provide power to a gate of the switch, and a clamping circuit. The clamping circuit includes a clamping switch that, responsive to the gate driver circuit being de-energized and a voltage of the gate exceeding a predetermined threshold value, conducts current from the gate to dissipate the voltage and clamp the gate to an emitter of the switch.

Abstract: A voltage switching circuit selectively transfers voltages applied to a first input terminal and a second input terminal to a first output terminal and a second output terminal. The voltage switching circuit includes a first transistor and a second transistor. The first transistor is formed on a first well on a substrate, and is coupled between the first input terminal and the first output terminal. The second transistor is formed on a second well different from the first well, and is coupled to the second input terminal. In a first mode in which a first voltage applied to the first input terminal is transferred to the first output terminal and the second output terminal, the first transistor is turned on and the second transistor is turned off.

Abstract: A vehicle is provided that includes a basic structure; and coupled to the basic structure, power sources, a propulsion system and power distribution circuitry. The propulsion system includes a plurality of electric motors configured to power propulsors to generate propulsive forces that cause the vehicle to move. The power distribution circuitry is configured to deliver DC electric power from the power sources to the electric motors, the power distribution circuitry including a plurality of DC-to-DC converter assemblies configured to input the DC electric power from the power sources and deliver voltage-regulated outputs to the electric motors, a DC-to-DC converter assembly operatively coupled to multiple ones of the power sources and multiple ones of the electric motors, and the DC-to-DC converter assembly including a multiple-input and multiple-output (MIMO) transformer with a single transformer core.

Abstract: Power distribution modules are configured to distribute power to a power-consuming component(s), such as a remote antenna unit(s) (RAU(s)). By “hot” connection and/or disconnection, the power distribution modules can be connected and/or disconnected from a power unit and/or a power-consuming component(s) while power is being provided to the power distribution modules. Power is not required to be disabled in the power unit before connection and/or disconnection of power distribution modules. The power distribution modules may be configured to protect against or reduce electrical arcing or electrical contact erosion that may otherwise result from “hot” connection and/or connection of the power distribution modules.

Abstract: A hybrid electrical power supply control system for providing electrical energy to at least one load. The load may alternate between a first low energy consuming operational modus and a second high energy consuming operational modus. The control system may include a first power source comprising at least one battery unit and a second power source comprising at least one energy harvesting unit and arranged to harvest and convert energy into Direct Current, DC, energy, and wherein the converted DC energy is stored in a charge collecting unit. The control system further includes an operational modus detecting unit and a power source switching unit, connected to the operational modus detecting unit and arranged to alternately connect the first power source and the second power source to the load.

Abstract: Disclosed herein are systems and methods for low power excitation of wireless power transmitters configured to transmit high power. The exemplary systems and methods include disabling a power factor correction circuit of the transmitter, and adjusting one or more variable impedance components of the impedance network to obtain a minimum attainable impedance. The variable impedance components can be configured to operate between the minimum attainable impedance and a maximum attainable impedance. The systems and methods can include adjusting a phase shift angle associated with one or more transistors of the inverter and driving the transmitter such that the transmitter resonator coil generates a magnetic flux density less than or equal to a field safety threshold.

Abstract: A method for controlling an exchange of power between a charging infrastructure and an electricity supply grid is provided. A number of power units are formed as electric vehicle. Each power unit has a variable state of charge. From the individual states of charge of the power units, an overall state of charge can be determined. For the overall state of charge, a flexibility range in dependence on time can be predefined for a control time period. The flexibility range is spanned by a progression over time of an upper limit of the overall state of charge and a progression over time of a lower limit of the overall state of charge for the control time period. The flexibility range has range points which can be defined by a value of the overall state of charge and a point in time in the control time period.

Abstract: A method for feeding electrical power into an electrical supply network having a network voltage with a network frequency by means of a converter-based generator, in particular by means of a wind power system, is provided. The method includes estimating a converter proportion of a network section of the electrical supply network. The converter proportion denotes a ratio of power fed in by means of converters to total power fed in. The method includes feeding the electrical power into the electrical supply network in a normal mode depending on the estimated converter proportion, activating a first support mode depending on the estimated converter proportion in accordance with a first activation condition, and activating a second support mode depending on the estimated converter proportion in accordance with a second activation condition, which is different than the first activation condition.

Abstract: Disclosed herein are systems and methods for low power excitation of wireless power transmitters configured to transmit high power. The exemplary systems and methods include disabling a power factor correction circuit of the transmitter, and adjusting one or more variable impedance components of the impedance network to obtain a minimum attainable impedance. The variable impedance components can be configured to operate between the minimum attainable impedance and a maximum attainable impedance. The systems and methods can include adjusting a phase shift angle associated with one or more transistors of the inverter and driving the transmitter such that the transmitter resonator coil generates a magnetic flux density less than or equal to a field safety threshold.

Abstract: A transmitting assembly (114, 214, 334) configured to transmit electric power in a universal wireless charging device (102, 200, 302) is presented. The transmitting assembly (114, 214, 334) includes a first coil (116, 216, 316) embedded in a printed circuit board (220) and configured to transmit a first AC voltage signal having a first frequency. Also, the transmitting assembly (114, 214, 334) includes a second coil (118, 218, 318) disposed on the printed circuit board (220) and configured to transmit a second AC voltage signal having a second frequency, wherein the second frequency is different from the first frequency, and wherein the first AC voltage signal having the first frequency and the second AC voltage signal having the second frequency are used to wirelessly charge a plurality of receiver devices (104, 106) having different frequency standards.

Abstract: A removable battery to provide motive power for an aircraft includes a battery frame and removable, interchangeable battery modules. Each of the battery modules defines module common space through which liquid heat transfer fluid flows during charging of the battery when the battery is removed from the aircraft and through which air as a heat transfer fluid flows during discharge of the battery, as during flight. The module common space also defines a combustion conduit to convey heated air and products of combustion safely outside the battery in the event of a cell fire during flight. The removable battery frame is a structural component of the aircraft.