Abstract: A smart energy recycling system and methods are disclosed. The smart energy recycling system comprises an energy device comprising emitting substrates configured to emit light of a pre-defined wavelength after receiving power from power grid. A photochromatic material disposed around emitting substrates. In an embodiment, photochromatic material is configured to convert photons emitted by emitting substrates into electrical energy. In an embodiment, the photochromatic materials corresponds to PV solar cells. An integrated energy storage device is electrically connected to an energy device and configured to store electrical energy produced by photochromatic materials. A regulation circuit of integrated energy storage device is configured to regulate and direct voltage and current generated by photochromatic materials and provide electrical energy to electrical grid or loads. In an embodiment, electrical energy being stored in an integrated energy storage device.

Abstract: A wireless power transfer device includes a first transmitting coil oriented along a first axis; a second transmitting coil on the first transmitting coil and oriented along a second axis different from the first axis; a nonmagnetic material magnetically decoupling the first transmitting coil from the second transmitting coil in an area of overlap between the first and second transmitting coils; and a driver configured to separately provide first and second currents to the first and second transmitting coils, respectively, to generate a magnetic field.

Abstract: Provided herein are programmable intelligent surfaces (PIS) for transmitting power and/or signals to a device positioned on or proximate the surface including at least one resonant unit including a power distribution layer having at least one transmitter coil configured to be energized by a power source and generate an electromagnetic field sized to electrically interact with at least one meta-cell coil of a meta-resonance layer, and the meta-resonance layer extending over the power distribution layer and comprising an array of configurable meta-cells, each including at least one of the meta-cell coils configured to selectively amplify, block, modify, or pass unchanged the electromagnetic field generated by the transmitter coil.

Abstract: The present invention is directed to a smart universal technology socket. The technology socket provides for easy installation and connection to an electrical power source. The technology socket is operable to receive hot swappable, modifiable, and upgradable pluggable devices. The technology socket supports pluggable devices with a variety of electrical requirements. The present invention provides a self-retaining technology socket for home, medical, school, and industrial uses.

Abstract: Provided is a method of wirelessly transmitting power and a device for performing the method. The wireless power transmission device includes a transmission coil configured to wirelessly transmit power to at least one of a plurality of receivers according to a transmission frequency and a processor configured to control at least one of the transmission frequency or resonant frequencies of the plurality of receivers, and the processor is configured to set the resonant frequencies of the plurality of receivers differently based on the transmission frequency at which the wireless power transmission device wirelessly transmits power, determine a transmission amount of power to be wirelessly transmitted to each of the plurality of receivers, and change at least one of the transmission frequency or the resonant frequencies of the plurality of receivers based on the transmission amount.

Abstract: A configuration instruction associated with configuring a plurality of batteries which supply power to a plurality of motors in a vehicle is received. The batteries are configuring as specified by the configuration instruction, where the batteries are able to be configured in a plurality of configurations, including: a first configuration where at least some of the batteries are electrically connected together in parallel and a second configuration where at least some of the batteries are electrically connected together in series.

Abstract: A battery energy storage system includes a plurality of battery cores. Each battery core of the battery energy storage system includes an array of battery cubes, and each battery core is configured to provide a first direct current power at a first voltage. The battery energy storage system further includes a plurality of direct-current-to-direct-current (DC-DC) converters. Each DC-DC converter of the battery energy storage system is configured to accept the first direct current power and each DC-DC converter is configured to provide a second direct current power at a second voltage. The battery energy storage system further includes a main modular multilevel converter (MMC). The MMC of the battery energy storage system is configured to accept the second direct current and to provide an alternating current at a third voltage.

Abstract: A charging system includes a motor, first/second inverters, a neutral point switching element, a power receiving terminal, a circuit selector, and a controller. The motor includes a plurality of stator coils. First ends of the stator coils are connected to the first inverter, and second ends of the stator coils are connected to the second inverter. The neutral point switching elements interconnect the second ends of the stator coils at neutral points. An external power source is connected to the power receiving terminal. The circuit selector switches a connection relationship between the first/second inverters, the power receiving terminal, and the neutral point. The controller controls the circuit selector so that a current flows from the external power source to the stator coil through the switching element having a small accumulated stress among the switching elements of the first/second inverters and the neutral point switching element.

Abstract: An outdoor equipment with detachable functional components is internally provided with a control circuit board and a power accessory coupled to the control circuit board. An installation portion is provided on the outdoor equipment for detachable assembly of the functional components, the functional components is provided with several with different functions, and the functional components are coupled with the control circuit board through the installation portion for power supply and control of the functional components by the control circuit board. The control circuit board is coupled with an identification module and when the control circuit board is coupled with the functional components through the installation portion, the identification module is configured to identify the functional components and generate identity information to send to the control circuit board.

Abstract: Systems, devices and methods for wirelessly charging a water heater device are presented. A system for wirelessly charging a water heating device, the system comprising: the water heating device, wherein the water heating device comprises a water heating element; a wireless power transmitter configured to: receive a first electrical current from a first power source; and generate a magnetic field, an ultrasonic wave, a microwave, a wireless power transmission, or a laser pulse based on the first electrical current; and a wireless power receiver configured to: generate a second electrical current based on the magnetic field, the ultrasonic wave, the microwave, the wireless power transmission, or the laser pulse; and provide the second electrical current to the water heating element or to a second power source of the water heating device.

Abstract: An electrical coupling circuit includes a first switch module including a first main switch and a first auxiliary switch, a second switch module including a second main switch and a second auxiliary switch, an energy storage module and a control module. The two ends of the first main switch and the two ends of the first auxiliary switch are connected to the first electrode of a power source and the first input end of a load. The two ends of the second main switch and the two ends of the second auxiliary switch are connected to the second electrode of the power source and the second input end of the load. The two ends of the energy storage module are connected to the first input end and the second input end. The control module is connected to the first input end, first switch module and second switch module.

Abstract: Provided in the present disclosure are a method by which a wireless power transmitter transmits wireless power in a wireless power transmission system, and a device using same, the method comprising: establishing a power transmission contract with a wireless power receiver in a negotiation phase; and transmitting, to the wireless power receiver, wireless power on the basis of the power transmission contract in a power transmission phase, wherein: the wireless power transmitter receives request information from the wireless power receiver in the negotiation phase; the request information is information related to the unit size of at least one piece of auxiliary data transport (ADT) information transmitted by means of the wireless power transmitter; and the wireless power transmitter transmits, to the wireless power receiver, the at least one piece of ADT information in the power transmission phase on the basis of the information related to the unit size.

Abstract: An illustrative system includes a location sensor configured to sense location of an electric vehicle and to generate a signal indicative of an electric vehicle's location. An electric vehicle battery cooling system is configured to provide cooling to an electric vehicle's battery. A controller is electrically couplable to receive the signal indicative of an electric vehicle's location from the location sensor and is configured to determine battery energy for the electric vehicle to reach a location of a charging station. The battery energy is based on the location of the electric vehicle and an amount of electrical energy remaining in the electric battery. The controller is configured to initiate cooling of the electric battery based on the amount of electrical energy remaining in the electric battery and the battery energy for the electric vehicle to reach the location of the charging station.

Abstract: Described herein is a wireless transfer system that includes a lower charging pad having at least one first winding, the at least one first winding configured to, upon being provided a first current, cause a second current to be induced in the at least one second winding of an upper charging pad. The lower charging pad comprises a combination of one or more inclined portions and a position adjustment mechanism positioned under a movable magnetic structure within the lower charging pad. Parameters of the second current is dependent upon a size of a gap between the one or more first vertical portions and the one or more inclined portions, the size of the gap being adjusted by first changing a position of the one or more vertical portions with respect to the one or more inclined portions.

Abstract: A wireless power transfer device transmits wireless power to a wireless power reception device and comprises primary coils, transmitting wireless power by magnetically coupling to secondary coils of the wireless power reception device, and a shield protecting the wireless power transfer device from a magnetic field from at least one of the primary coils. The primary coils comprise: a first bottom coil and a second bottom coil not overlapping each other on a first plane; and a first top coil and a second top coil not overlapping each other on a second plane located above the first plane, wherein one side of the first top coil is located above the first bottom coil, the other side of the first top coil is located above the second bottom coil, and one side of the second top coil is located above the second bottom coil.

Abstract: A feed device repeats a frame including multiple subframes to control phases of power transmission signals from multiple first antennas located around each of multiple first power receivers, such that the phases sequentially change while maintaining a phase relation between the power transmission signals, so as to match the phases of the power transmission signals that one of the multiple first power receivers receives from the multiple first antennas. The feed device sequentially changes the phases of power transmission signals that are transmitted from one or more second antennas.

Abstract: A contactless power feeding system includes power supply lines to supply power in a contactless manner to a power receiver on a mobile body, power supply boards to generate power, and a power distribution circuit to distribute and supply the power generated by the power supply boards to the power supply lines.

Abstract: SA surgical room power system including at least one source of power wired to a power source for a surgical room, the at least one source of power being wired to the surgical room; at least one power receiver; and a surgical power consumer wired to the at least one power receiver, the surgical power consumer being configured to assist a surgeon during a surgical procedure on a patient. The at least one source of power wirelessly transfers power to the at least one power receiver for powering the surgical power consumer.

Abstract: The present invention relates to a wireless power transmission device capable of stably operating without controlling the amount of power to prevent a circuit failure due to an overcurrent, when there is a change in the number of wireless power reception devices in a power transmission area of the wireless power transmission device, during the transmission of power using a magnetic resonance coupling method, a wireless power reception device, and a wireless power transmission and reception system including the wireless power transmission device and the wireless power reception device.

Abstract: An electrical power or data system includes an electrical power or data supply cord and an intermediate power or data cord, a first electrical power or data outlet receptacle disposed between the supply cord and the intermediate cord, and a second electrical power or data outlet receptacle at a distal end of the intermediate cord. The first electrical power or data outlet is positionable below a work surface, while the second electrical power or data outlet is mountable to the work surface. At least one of the electrical cords may include a self-retracting cord section.