Abstract: An IPT track arrangement including a power supply and conductor electrically connected to the power supply, the conductor includes a plurality of loops located substantially adjacent one another, wherein the polarity in adjacent portions of the loops is the same, and wherein the power supply includes a one or more inverters which share the track load.

Abstract: Some embodiments providing antenna systems comprising: a frame; a power transfer antenna cooperated with the frame, wherein the power transfer antenna is configured to enable at least one of wirelessly and inductively receiving electrical power from another consumer electronic device and wirelessly and inductively transmitting electrical power to another consumer electronic device; one or more low power communications antennas cooperated with the frame and configured to wirelessly transmit and receive communications with one or more other remote consumer electronic devices; wherein the frame is configured to readily be positioned within and mounted with multiple different consumer electronic devices and provide the consumer electronic device within which it is mounted with wireless power transfer capabilities and communication capabilities with a separate consumer electronic device with which wireless power transfer is to occur.

Abstract: What is presented is a power-transfer system that provides resonant inductive power from a first object to a second object, which is adjacent to the first object. The system includes a first transformer portion that is positioned on the first object and having a first core portion. The first core portion includes a transmit unit configured to transfer an electromagnetic field to the second transformer portion. The first core portion also includes first circuitry that allows the transmit unit to transfer the electromagnetic field. The second transformer portion is positioned on the second object and has a second core portion. The second core portion includes a receiver unit configured to receive the electromagnetic field. The second core portion also includes second circuitry that allows the transmit unit to transfer the electromagnetic field.

Abstract: A direct current (DC)-DC converter is for a vehicle for converting a first voltage output of a first battery to a second voltage output of a second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.

Abstract: An uninterruptible power supply (UPS) is provided that includes a split direct current (DC) link having a first capacitor coupled between a positive DC link terminal and a first node, and a second capacitor coupled between the first node and a negative DC link terminal. The UPS also includes a rectifier coupled to an input of the split DC link and a controller coupled to the rectifier. The rectifier includes first, second, and third legs, wherein each leg is configured to convert a first alternating current (AC) voltage received from an AC source into a DC voltage to be provided to the split DC link, and a fourth leg configured to balance DC link voltages of the first and second capacitors. The controller is configured to maintain functionality of the rectifier during at least one of a partial utility power outage, a full utility outage, and a failure of at least one of the first, second, third, and fourth legs.

Abstract: A vehicle-side circuit for supplying power in an electrically driven vehicle is provided. The power circuit includes an external AC voltage terminal; at least one DC/AC converter having an AC voltage side; and an electrical machine having a plurality of windings, each of which has a first tapping. The electrical machine is connected to the AC voltage side of the DC/AC converter. A switching device is connected to the plurality of windings and to a signal shaping filter having a plurality of first capacitors. The signal shaping filter is connected between the DC/AC converter and an external AC terminal. The switching device may interconnect the windings within the electrical machine or may connect the first tappings of the plurality of windings within the signal shaping filter to the plurality of first capacitors to form an at least third-order low-pass filter.

Abstract: A wireless power receiver is provided. The wireless power receiver includes a substrate partitioned into a first area and a second area neighboring the first area, a circuit portion mounted in the first area of the substrate and including a receiving module, a resonance pattern portion directly provided on at least one surface of the substrate in the second area, and a shield mounted on a surface of the substrate in the second area.

Abstract: During power reduction transitions of a fuel cell power plant, the excess electric energy generated by consumption of reactants is extracted, during one or more periods of time, by a voltage limiting device control (200) in response to a controller (185) as i) energy dissipated in a resistive auxiliary load or ii) as energy applied to an energy storage system (201) (a battery), in boost and buck embodiments. The controller operates the voltage limiting device control in response to the positive time derivative of the voltage of one or more of the fuel cells exceeding a predetermined limiting value.

Abstract: A supporter includes a housing and a guide member formed at one side of the housing. The guide member has an inclined surface. A fixing member faces the guide member to fix an object and a transmission coil is disposed in the housing to wirelessly transmit power.

Abstract: A modular substation (10) for subsea applications includes a plurality of modular DC/AC converters (32) configured for converting DC electrical power transmitted along a DC transmission link (24) into AC electrical power for supplying to a plurality of subsea loads (56). The plurality of modular DC/AC converters (32) is configured to couple in series to the DC transmission link (24) and couple in parallel to an AC distribution network (52). At least a first modular DC/AC converter (32) is configured to be selectively electrically and mechanically disconnected from the DC transmission link (24) and the AC distribution network (52) to facilitate maintenance of the first modular DC/AC converters (32) while the AC distribution network (52) continues to supply AC electrical power to at least one of the plurality of subsea loads (56). The modular substation (10) also comprises protection and bypass circuits (26) intended to isolate faulty DC/AC converters (32) and to facilitate safe maintenance and repair.

Abstract: Disclosed are power supply methods in a power over data lines (PoDL) system for a vehicle network. An operation method of a power sourcing equipment (PSE) for power supply to a powered device (PD) comprises measuring an input voltage applied to the PSE; detecting a low voltage state in which the input voltage is lower than a low voltage detection reference voltage; determining whether the low voltage state is a transient voltage drop state; and entering a settle-sleep step when the low voltage state is not the transient voltage drop state, and stopping the power supply between the PSE and the PD while maintaining a link between the PSE and the PD when the low voltage state is the transient voltage drop state.

Abstract: A generator system, including first and second generators each having an inverter circuit outputting AC, a connection circuit connecting the generators through a power line, a master-slave determining unit determining one of the generators as a master generator, and to determine other of the generators as a slave generator, a data acquiring unit acquiring an output data of the master generator, and a synchronization controlling unit controlling switching operation of the inverter circuit of the slave generator based on the output data of the master generator to synchronize an output data of the slave generator with the output data of the master generator, wherein the master-slave determining unit determines one of the generators that starts earlier as the master generator, and when the generators start simultaneously, to determine one of the generators as the master generator in accordance with a predefined rule.

Abstract: What is presented is a power-transfer system that provides resonant inductive power from a first object to a second object, which is adjacent to the first object. The system includes a first transformer portion that is positioned on the first object and having a first core portion. The first core portion includes a transmit unit configured to transfer an electromagnetic field to the second transformer portion. The first core portion also includes first circuitry that allows the transmit unit to transfer the electromagnetic field. The second transformer portion is positioned on the second object and has a second core portion. The second core portion includes a receiver unit configured to receive the electromagnetic field. The second core portion also includes second circuitry that allows the transmit unit to transfer the electromagnetic field.

Abstract: A battery system (10) has at least one battery (9) with a plurality of battery elements (1, 2, 24, n), a regulating or control unit (12) and a switching unit (3) with at least one switching element (6). The regulating or control unit (12) is configured to instruct the switching unit (3) to dynamically switch the at least one switching element (6) over time such that battery elements (1, 2, 24, n) from at least one accordingly dynamically changing subset of the plurality of battery elements (1, 2, 24, n) are connected, and a respective voltage level to be provided is provided thereby for the plurality of load consumers. In addition to providing a plurality of voltage levels, the battery elements (1, 2, 24, n) are deliberately loaded.

Abstract: A grid interactive uninterruptible power supply (UPS) is provided. The grid interactive UPS includes a first path including a rectifier, an inverter coupled in series with the rectifier, and a battery coupled in parallel with the inverter. The grid interactive UPS further includes a second path in parallel with the first path, wherein the grid interactive UPS is operable to supply power from the battery to a grid coupled to an input of the grid interactive UPS.

Abstract: A battery pack includes: at least one battery module; a housing; and attachment members. The at least one battery module is housed in the housing. The attachment members are coupled to the housing, and attachable to a vehicle body. The housing is positioned under a floor of a vehicle. Each of the attachment members extends from a side of the housing to another side along a lower surface of the housing. Lower surfaces of the attachment members are coupled to a plate member. A lower portion of the battery pack has a double-bottomed part formed by the plate member and a bottom surface of the housing.

Abstract: A charger control circuit (CC) comprises a first charger terminal (CT1) and a system terminal (ST) and is configured to assign a voltage applied at the first charger terminal (CT1) to one of at least three voltage ranges by performing at least one voltage comparison. The charger control circuit (CC) is configured to determine and distinguish, based on the assignment, whether an external charger (EXC1) or a secondary battery (SBAT) is connected to the first charger terminal (CT1). Furthermore, the charger control circuit (CC) is configured to, depending on a predetermined operating state of the first charger terminal (CT1), supply power from the secondary battery (SBAT) or the external charger (EXC1) to a portable electronic device via the system terminal (ST) when the secondary battery (SBAT) or the external charger, respectively, is connected to the first charger terminal (CT1).

Abstract: A battery life monitoring approach for a power transformation powered system. “Signature profiling” and “power metering” may deal with statistically significant edge cases. Relative to product resources, a battery management module (BMM) may use software services from a “phantom module”, “power broker” and other low level board support package (BSP) software, such as A2D, time bases and memory R/W in order to execute routines needed for successful deployment of the product. The memory resources should be volatile and non-volatile memory resources to fulfill the needs of a fully functional power transformation BMM system.

Abstract: A wireless energy transmission method and a wireless energy receiving device are provided. A method includes determining wireless energy transmission efficiencies between the wireless energy receiving device and a plurality of wireless energy sending devices respectively, and receiving wireless energy transmission from the plurality of wireless energy sending devices according to the wireless energy transmission efficiencies. Energy requested or required by the wireless energy receiving device can be distributed to the plurality of wireless energy sending devices reasonably, thereby efficiently charging the wireless energy receiving device.

Abstract: A vehicle includes a power receiving unit and an RFID tag. The power receiving unit contactlessly receives electric power output from a power transmission unit. The RFID tag preliminarily stores information which is identification information for identifying the vehicle in the power transmission device and can be contactlessly read by the power transmission device. Here, the RFID tag is arranged at a vehicle body front end (a vehicle body trailing end) in a vehicle traveling direction when the vehicle is guided into a parking frame.