Abstract: A power receiving device includes a power receiving coil formed to surround space around a coil central axis extending in a front-back direction of a vehicle body, for receiving electric power from a power transmitting coil in a non-contact manner while facing the power transmitting coil, a capacitor arranged adjacent to the power receiving coil in the direction in which the coil central axis extends, and a shield arranged between the power receiving coil and the capacitor. The effect on the capacitor during electric power transmission can be reduced.

Abstract: Disclosed are various embodiments for frequency-division multiplexing for wireless power providers using guided surface waveguide probes to transmit power. Guided surface waveguide probes may transmit power on multiple frequencies with potentially overlapping service areas. Frequency-agile wireless power receivers may tune to one or more frequencies. Cost, availability, and/or other information may be provided to the wireless power receivers. Power usage may be reported by the wireless power receivers to power providers.

Abstract: A high-voltage energy storage system (ESS) device is coupled to a feed from a utility power source to a transformer that steps down high-voltage power and feeds one or more loads in a data center. The high-voltage ESS device can store electrical power from the utility power source and discharge stored electrical power. An energy control system monitors waveforms associated with utility power sources and determines whether a waveform indicates a potential loss of electrical power. The energy control system also monitors costs of receiving electrical power from utility power sources and determines whether the costs associated with receiving utility power from particular utility power sources exceed one or more thresholds. The energy control system can command a switching device assembly to selectively route high-voltage power from a utility power source or from the high-voltage ESS device to the transformer based on a waveform determination or a cost reduction determination.

Abstract: A solenoid is latched in an energized position by a residual magnetic field established by a pulse of current. A degaussing current is selectively applied from a capacitor to unlatch the solenoid. Fail-safe return to the de-energized position occurs when the supply of power is lost.

Abstract: A unified power flow controller for a double-circuit transmission line comprises at least one parallel-connection transformer, three current converters, at least two series-connection transformers, a parallel-connection side switching circuit, a series-connection side switching circuit and a direct current common bus. The series-connection transformers connected with at least one group of by-pass switches in parallel. The three current converters connected to each loop line in series after being connected with at least one series-connection transformer through the series-connection side switching circuit. The three current converters connected to an alternating current system after connected with at least one parallel-connection transformer through a parallel-connection side switching circuit starting circuit. The three current converters are connected to the direct current common bus through a transfer switch.

Abstract: A pump has a signal processor, including one forming part of a printed circuit board assembly, that receives signaling containing information about a voltage supplied to a motor to run a particular pump model, and also containing information about whether a current draw of the pump is lower than a predetermined low current level or is higher than a predetermined high current level; and determines whether to shut off the pump after a predetermined time, based on the signaling received. The signal processor provides control signalling to shut off the pump after the predetermined time if the current draw of the pump is lower than the predetermined low current level or is higher than the predetermined high current level, where the predetermined low current level and the predetermined high current level depend on the voltage being supplied to the motor to run the particular pump model.

Abstract: An AC-DC converter, power supply board and display apparatus is disclosed. The AC-DC converter comprises: an AC-DC converting circuit; a transformer, whose primary coil has a first terminal coupled to a positive output terminal of the AC-DC converting circuit, and second terminal connected to a load; a voltage monitoring circuit, whose input terminal is coupled to the first terminal of the secondary coil, and second terminal of the secondary coil connected to a ground; and a control circuit, whose input terminal is coupled to an output terminal of the voltage monitoring circuit, and output terminal coupled to the AC-DC converting circuit; wherein the voltage monitoring circuit outputs a control voltage when a voltage outputted by the first terminal of the secondary coil of the transformer exceeds a first threshold; the control circuit controls the AC-DC converting circuit to stop providing power supply when the control voltage exceeds a second threshold.

Abstract: There is provided a detecting apparatus including one or a plurality of magnetic coupling elements that include a plurality of coils, and a detector that measures an electrical parameter related to the one or plurality of magnetic coupling elements or to a circuit that at least includes the one or plurality of magnetic coupling elements, and determines from a change in the electrical parameter whether a foreign matter that generates heat due to magnetic flux is present. In the one or plurality of magnetic coupling elements, the plurality of coils are electrically connected such that magnetic flux produced from at least one or more of the plurality of coils and magnetic flux produced from remaining coils of the plurality of coils have approximately opposing orientations.

Abstract: A hazardous area coupler is provided which uses arrays of diodes to permit low voltage alternating current signals to pass through while shunting to ground any voltages greater than the clamping voltage of the diodes.

Abstract: In a thermal protection circuit with two electrical connection terminals for an electrical device to be protected from overheating and at least one temperature-dependent switch, at least one electronic semiconductor switch for DC voltage is arranged.

Abstract: An ESD grounding apparatus for grounding mats or other equipment to provide a ground connection to mat as well as receptacles for operator wrist straps, and other equipment. The apparatus attaches to a mat by means of securing member such as a clamp or compressing screw rather than using destructive rivets or snaps that create holes in the mat. By using a securing member to secure the device to the mat, the device can be easily removed and reused in another location without damaging or weakening the mat, whereas the previous devices require installing an additional snap into the mat in each location that requires a ground.

Abstract: The present invention relates to a self-rechargeable hybrid battery and an electronic device including the same. Since the self-rechargeable hybrid battery includes a solar cell and a capacitor which is charged by current output from the solar cell, the charging efficiency of energy output from a solar cell may be increased in an eco-friendly manner, and the self-rechargeable hybrid battery includes electrodes having high transparency, electrical conductivity and interfacial capacitance, and thus may be applied to a transparent device.

Abstract: The present disclosure includes: a laminate in which a plurality of sheets are laminated; two or more noise filters provided spaced apart by a predetermined distance from each other in the laminate and respectively provided with a plurality of coil patterns; an external electrode provided outside the laminate and connected to the two or more noise filters; and a connection electrode provided outside the laminate being spaced apart from the external electrode to connect the two or more coil patterns.

Abstract: In an aspect, a kit of parts for an electrical connector, which includes a plurality of housing portions, a first male terminal and a second male terminal, and an output device. The plurality of housing portions are mateable together to form a housing. The printed circuit board positionable in the housing. The male terminals are connected to the printed circuit board and are positioned to connect to an electrical power source. The output device is connected to the printed circuit board. The printed circuit board is connectable to an electrical conduit and is configured to electrically connect the electrical conduit to the male terminals, and contains a microprocessor that is programmed to indicate via the output device at least one property of a circuit formed with the electrical connector and the electrical power source.

Abstract: Methods, systems, and apparatuses for a foldable fabric-based semiconductor package (FFP) that can assist with charging a secondary cell are described. An FFP includes: a ground plane; a first component over the ground plane; a second component adjacent to the ground plane; a third component adjacent to the second component; a molding compound encapsulating the ground plane, the first component, the second component, and the third component; a first fabric layer on a top side of the molding compound; and a second fabric layer on a bottom side of the molding compound. Each of the first, second, and third components includes one or more semiconductor dies. The third component is electrically coupled to each of the first and second components. The first and second components can wireless charge the secondary cell. The third component can power the first and second components. The ground plane can protect against electromagnetic signals.

Abstract: To protect an electrical load from anomalous electricity provided by an electricity source, a switching mechanism is configured to transition into one of conducting and non-conducting states in response to respective on and off states of a switching signal. A power controller evaluates input frequency characteristics of an overvoltage event in input electricity provided by the electricity source against at least one frequency criterion. Event timing is established for the timing signal that corresponds to the frequency characteristics met by the frequency threshold criterion. The event timing coordinates the overvoltage event with the state transitions of the switching mechanism so that an amplitude notch is superimposed on the input electricity over a temporal duration proportionate to that of the overvoltage event. State transitions are compelled in the switching mechanism to superimpose the amplitude notch on the input electricity in accordance with the event timing.

Abstract: Upon turn-off of IGBT, by suppressing variations in collector-emitter voltage between IGBTs connected in series, risk of breaking IGBT due to overvoltage breakdown can be reduced. In protection circuit provided for each of the plurality of IGBTs 50 connected in series, between collector and emitter of IGBT 50, avalanche elements D1˜D5, resistance R4 and avalanche element D6 are sequentially connected in series. Capacitor C1 and resistance R1 are connected parallel between both ends of the avalanche element D4, and capacitor C2 and resistance R2 are connected parallel between both ends of the avalanche element D5. Between a common connection point of the resistance R4 and the avalanche element D6 and gate of the IGBT 50, resistance R5, a parallel circuit of capacitor C3 and resistance R6, and a series component of Zener diodes ZD1 and ZD2 whose polarities are opposite to each other, are connected in series.

Abstract: This disclosure provides systems, methods and apparatus for wireless power transfer. In one aspect the disclosure provides an apparatus for wirelessly communicating power. The apparatus includes a first conductive structure, with a length greater than a width, configured to wirelessly receive power via a magnetic field. The first conductive structure includes two substantially co-planar loops. The first conductive structure has a first edge and a second edge each intersecting a geometric line along the length of the first conductive structure. The apparatus further includes a second conductive structure, with a length greater than width, positioned between the first conductive structure and a magnetic material and configured to wirelessly receive power via the magnetic field. The length of the second conductive structure is substantially equal to at least a distance along the geometric line between the first edge and the second edge of the first conductive structure.

Abstract: An electrostatic chuck assembly includes a puck and a cooling plate. The puck includes an electrically insulative upper puck plate comprising one or more heating elements and one or more electrodes to electrostatically secure a substrate and further includes a lower puck plate bonded to the upper puck plate by a metal bond, the lower puck plate comprising a plurality of features distributed over a bottom side of the lower puck plate at a plurality of different distances from a center of the lower puck plate, wherein each of the plurality of features accommodates one of a plurality of fasteners. The cooling plate is coupled to the puck by the plurality of fasteners, wherein the plurality of fasteners each apply an approximately equal fastening force to couple the cooling plate to the puck.

Abstract: A wireless power transmission system as an embodiment of the present disclosure transmits electric power by a non-contact method from a first inductor to a second inductor, or vice versa. The wireless power transmission system includes: the first inductor that has a center hole; the second inductor that is spaced apart from the first inductor and that is smaller in size than the hole of the first inductor; and a magnetic body member that is arranged on one side of the first inductor so as to face the second inductor and that covers at least a part of the first inductor. That at least a part of the first inductor reaches an outer edge of the first inductor from an inner edge thereof.