Abstract: A transmit coil assembly configured to transmit two different alternating magnetic fields having different frequencies is provided. The transmit coil assembly includes a first transmit coil set configured to resonate within a first frequency range and a second transmit coil set configured to resonate within a second frequency range which is outside the first frequency range and at least ten times higher or lower than the first frequency range. The assembly also includes a ferrite element; and a housing formed of a conductive material in which the first transmit coil set, the second transmit coil set, and the ferrite element are disposed. The ferrite element is disposed intermediate the first transmit coil set and the housing and is configured to provide magnetic shielding substantially for the first transmit coil set.

Abstract: A power transmitting apparatus that wirelessly transmits power to one or more power receiving apparatuses determines whether each of the one or more power receiving apparatuses has a function for internally lowering a voltage obtained through power reception, and controls the transmitted power so that, in a case where at least one of the one or more power receiving apparatuses does not have the function, overvoltage is not applied to the power receiving apparatus that does not have the function.

Abstract: Power control systems are provided including a digital controller configured to control gating mechanism for power switches responsive to an input from a power conversion circuit. The digital controller includes a conversion circuit, a modulation circuit and a gating control circuit. The system further includes an analog circuit comprising a filter, a current limiter and a compare circuit. The current limiter is configured to control a magnitude of a current pulled through a power convertor during a device switching operation.

Abstract: An example method for managing a wireless power network includes: transmitting, via an antenna array of a transmitter, radio frequency waves that constructively interfere to produce energy pockets for receipt by a receiver, and the receiver is not in contact with the transmitter and is coupled with an authenticated computing device distinct from the receiver. The method also includes: executing a power transmitter manager application, the power transmitter manager application causing the transmitter to perform operations including: sending for display at the authenticated computing device a plurality of configuration options that are used to control operation of the transmitter; receiving an updated value for at least one of the plurality of configuration options; and, in response to receiving the updated value, controlling transmission of radio frequency waves via the antenna array to the receiver using the updated value for the at least one of the plurality of configuration options.

Abstract: A management or control of a power router is more appropriately performed when a power network system in which power cells are asynchronously connected with each other. A plurality of power conversion legs bi-directionally convert power, one ends thereof are connected with a direct current bus and the other ends thereof are connected with an external connection partner as an external connection terminal. A control unit controls operations of the plurality of power conversion legs. The control unit receives a control instruction including a designation of a stopping target leg. The control unit performs an adequacy determination of whether the stopping target leg can be stopped. The control unit stops the stopping target leg when the stopping target leg can be stopped.

Abstract: When one operates an energy system at its maximum energy utilization point (MEUP) consistently, one can receive the most amount of energy benefit from the system. The practical MEUP tracking technologies operate a generator at a voltage for maximum power extraction and to produce near-maximum power; incorporate the invented surplus energy extraction devices to near-perfectly extract all power generated; temporarily store the surplus energy into designed energy reservoirs; add the invented supply devices to combined the energy from the extractor and from the reservoirs; prepare and deliver the right amount of power to exactly satisfy the instantaneous demand. Thus effectuates finding and tracking the MEUP of the energy system.

Abstract: A wireless power transmission system is designed to transmit power through a permeable conductive barrier layer. The system comprises a power transmitting circuit including a first inductive coil. A power receiving circuit includes a second inductive coil located on the opposite side of the barrier layer to the first inductive coil. A biasing magnet or electromagnet is provided and characterised by its ability to substantially saturate the magnetisation of the barrier layer in a region adjacent to the first and second inductive coils.

Abstract: A contactless power transmission device includes: a plurality of power transmission coil units; a plurality of detection units configured to detect a foreign substance on and around each power transmission coil unit; a communication unit configured to communicate with a vehicle; and a control unit configured to select one of the plurality of power transmission coil units based on information about a mounting position of a power reception device from the vehicle obtained by the communication unit, and to guide, when a detection unit detects a foreign substance at the selected power transmission coil unit, the vehicle toward a power transmission coil unit different from the selected power transmission coil unit, before the vehicle stops. This can prevent a reduction in power transfer efficiency due to a foreign substance or the like in a power transmission device including a plurality of power transmission coils.

Abstract: An apparatus includes at least one device configured to be coupled to at least one electric power bus and to perform a plurality of electrical functions in association with the at least one electric power bus. A control system is operatively associated with the at least one device and configured to electronically communicate using descriptors from a power network domain that is abstracted with respect to the at least one device and to responsively operate the at least one device as an entity in the power network domain. The entity may include, for example, a power routing entity, a power conversion entity or a metering entity. The at least one device may include, for example, a switch, an active circuit, a passive circuit, a protective device and/or a sensor. Methods and computer program products are also described.

Abstract: A wireless power reception device for wirelessly receiving electric power from a wireless power transmission device according to an embodiment of the present invention comprises: a magnetic body; a reception coil arranged on the magnetic body and coupled to a transmission coil of the wireless power transmission device to receive electric power; and a magnetic body saturation prevention unit arranged inside the reception coil to prevent the magnetic body from being saturated by an influence of an external magnetic field.

Abstract: To prevent that a connecting portion of a cable with an electrical equipment disposed rearward of the cable, an electrical equipment unit to be mounted on a vehicle is provided. The electrical equipment unit includes an inverter for supplying electric power to a drive motor of the vehicle, a fuel cell module disposed rearward of the inverter in longitudinal directions of the vehicle, a cable connecting the inverter with the fuel cell module, and a first clamp attached to the vehicle and for holding the cable. The first clamp has a gripping part formed with an opening and for gripping the cable, and an opening formed in part of the gripping part to extend in axial directions of the cable. The opening is formed in part of the gripping part to extend over one side of the gripping part in axial directions of the cable so as to receive the cable The opening is formed on a rear side in the gripping part in longitudinal directions of the vehicle.

Abstract: A power management system to manage energy sources for use with an energy-powered component includes an energy source detector to determine, between a first and a second of the energy sources, which has a lower state-of-charge and which has a higher state-of-charge, a controller to designate the energy source with the lower state-of-charge as a primary energy source and the other energy source as a secondary energy source, and an energy source selector to selectively enable the primary energy source to provide power to the energy-powered component.

Abstract: An energy storage system for supporting dual electrical functions of a vehicle includes an energy storage unit having a plurality of energy storage modules connected in series, a plurality of sensing units for sensing state of charges of the plurality of energy storage modules, and a pair of primary voltage terminals. The series connected plurality of energy storage modules is connectable across the pair of primary voltage terminals during a key-on state of the vehicle to supply energy storage power at a first voltage level to support primary electrical functions of the vehicle. The energy storage system is further configured to select a subset of the plurality of energy storage modules during a key-off state of the vehicle to connect across a pair of secondary voltage terminals using a switch network to supply energy storage power at a second voltage level.

Abstract: Wireless charging communication examples are described. Various techniques for establishing a communication link between a power transmit unit and a power receive unit through a low energy wireless communication interface to enable the power receive unit to receive power are described.

Abstract: Supplemental power systems for aircraft are described. One example is a power conversion system for an electrical power system in a twin engine aircraft having a first generator and a second generator is described. The power conversion system includes a first branch, a second branch, and a selector. The first branch has a first input, a first power converter, and a first output configured for coupling to an aircraft electrical distribution system. The second branch includes a second input, a second power converter, and a second output configured for coupling to the aircraft electrical distribution system. The selector is coupled between the first branch and the second branch. The selector is configured to selectively connect the first generator to the first branch or to the first and second branches. The selector is also configured to selectively connect the second generator to the second branch or the first and second branches.

Abstract: A method for controlling an external electric power supply system supplying electric power from a fuel cell and a secondary battery mounted on a vehicle to an external load, the method including controlling electric power from the fuel cell and the secondary battery such that externally supplied electric power supplied to the external load is equal to or less than supply allowed electric power, and setting the supply allowed electric power to be equal to or less than a smaller one of an upper limit value of electric power which the secondary battery is charged with set in accordance with a temperature, and an electric power storage amount of the secondary battery and an upper limit value of electric power discharged from the secondary battery set in accordance with the temperature and the electric power storage amount of the secondary battery.

Abstract: A method and a device for preventing inadvertently touch of an electronic device are provided, the method includes: receiving an operating motion by a button switch; determining whether the button switch is triggered by receiving the operating motion; determining whether a human body is closing to the button switch; if the human body is closing to the button switch and the button switch is triggered, sending a button switch signal corresponding to the button switch to the electronic device to perform a function corresponding to the button switch.

Abstract: A power supply device (1) includes a parallel connection of a plurality of series circuits each including a secondary battery (11A, 11B) and a relay (12A, 12B) connected in series with the secondary battery. A control apparatus for controlling ON/OFF timings of the relays (12A, 12B) includes a control device (2) to set a time difference between the ON/OFF timings of the relays (12A, 12B) to control the supply of power at optimum timings.

Abstract: An arrangement for a switching function unit for Ethernet having a number of active components of the Ethernet which are combined by a switching function unit to form a functional unit; and at least three mutually independent power supplies for supplying power to the active components, wherein a first of the at least three power supplies is a local power supply for the switching function unit, a second of the at least three power supplies is a first extraneous power supply via Ethernet for the switching function unit, and a third of the at least three power supplies is a second extraneous power supply via Ethernet for the switching function unit.

Abstract: An electrical power status-indicating device for integration with a Smart Grid network. The device comprises an electrical receptacle installed within a wall of a consumer premises, a communication module for retrieving and interpreting power status data from a centralized control module, and at least one indicator activated by the communication module, with activation based at least in part on the status data. In some embodiments, the device may comprise a power pass-through device for receiving at least one in-premise electronic device, and/or a light switch in communication with a lighting unit.