Abstract: A power receiving apparatus capable of receiving power transmitted from a power transmitting apparatus capable of executing first foreign object detection and second foreign object detection, transmits, to the power transmitting apparatus, data to be used by the power transmitting apparatus to execute the first foreign object detection; before transmitting the data, determines whether a predetermined condition for the power transmitting apparatus to execute the second foreign object detection different from the first foreign object detection is satisfied; and transmits, to the power transmitting apparatus, a signal for causing the power transmitting apparatus to execute the second foreign object detection in accordance with the determination.

Abstract: A buck-assisted split-source inverter including a DC link having two voltage rails, at least two pairs of series connected switches, a first connection point and a second connection point for receiving voltage terminals of a fuel cell, one of the two voltage rails forming the first connection point, a switch component and an inductor connected in series having a first end formed of a terminal of the switch component and a second end formed of a terminal of the inductor, the first end forming the second connection point for receiving a voltage terminal of a fuel cell. The inverter further including at least two first diodes, a second diode having first and second terminals, wherein the switch component is adapted to be controlled conductive when any one of the lower switches connected to voltage rail forming the first connection point is controlled conductive.

Abstract: A microinverter inverter is provided and comprises an output comprising a four-way connector comprising three power input/output connecters and a voltage monitoring and power line communications connector. The output is configured to connect to an AC cable comprising a rotatable four-way connector comprising three phase wires and a neutral wire which allows the microinverter to operate in at least one of a three-phase grid-tied mode of operation, a three-phase off-grid neutral-forming mode of operation, a two-phase grid-tied mode of operation, a two-phase off-grid neutral-forming mode of operation, or a split-phase and single-phase grid tied and off-grid neutral-forming mode of operation when the microinverter is connected to the AC cable.

Abstract: The present disclosure includes: a power generator; and a power line through which power generated by the power generator is transmitted to a load. The power line between the power generator and the load is provided with: a current limitation device configured to, when detecting occurrence of a fault current, limit the fault current; and a current interruption device configured to interrupt current heading for the load, in conjunction with the limitation of the fault current performed by the current limitation device.

Abstract: An electrified vehicle capable of additionally mounting a swappable battery and a power source management method for the same are provided. A method of power source management of an electrified vehicle is provided, comprising connecting a swappable battery unit to a connector in an electrified vehicle comprising a first battery fixedly arranged with a main battery unit, a first battery management system configured to control the first battery, and a DC converter having a first end and a second end, the swappable battery unit comprises a second battery, and a second battery management system configured to control the second battery. The method further comprises determining, using a vehicle control unit, a target integrated voltage to be supplied to a power electric unit, and transmitting, using the vehicle control unit, a voltage command corresponding to a target output voltage to the DC converter, according to a determined target integrated voltage.

Abstract: A battery monitoring apparatus is provided for monitoring unit batteries of an assembled battery which are grouped into battery blocks. The battery monitoring apparatus includes a battery ECU, voltage monitors each being mounted to a corresponding one of the battery blocks, and a monitor activation device. The battery ECU is configured to wirelessly transmit commands to the voltage monitors. The voltage monitors are configured to detect voltage information of the unit batteries and wirelessly transmit the detected voltage information to the battery ECU. The monitor activation device is configured to sequentially activate the voltage monitors with time lags in a predetermined order recognized by the battery ECU.

Abstract: A backup power supply device to be connected to a conduction path from an external power supply to an external load includes a plurality of secondary batteries connected in parallel, a plurality of charging switches that can individually pass and cut off charging power from the conduction path to the plurality of secondary batteries, and a control device for performing discharging control on the plurality of secondary batteries when the power supply voltage of the conduction path drops below a predetermined power failure detection threshold value. When battery voltages of the plurality of secondary batteries drop below a predetermined charging start threshold value, the control device performs charging control with a time difference set between charging start timings of the secondary batteries.

Abstract: This application provide a power supply device and a control method. In one example, a power supply device includes a first AC/DC unit and a second AC/DC unit. An input terminal of the first AC/DC unit and an input terminal of the second AC/DC unit are connected to an alternating current input bus. An output terminal of the first AC/DC unit is connected to a first direct current output bus. The first AC/DC unit is output stable. An output terminal of the second AC/DC unit is connected to a second direct current output bus. Power is output to a plurality of direct current output buses respectively through a plurality of AC/DC units to supply power to different loads.

Abstract: Modular electricity generation systems that use large numbers of low-cost Multiplexed Automotive Engines (MAE) to provide dispatchable electricity for decarbonized grid reliability or for non-grid backup power are disclosed. The engines may be disposed in power modules that are readily transportable containers that house several engine-generator units and typically produce 1 to 2 MW of maximum power. The MAE-based generation approach could provide greater flexibility in fuel use; power rating; transportability and location, along with faster startup time and very low air pollution. MAE electricity generation systems can be fueled with natural gas, low-carbon hydrogen and/or various liquids that may or may not be produced by grid electricity. The MAE generation systems can be employed in an energy storage process that uses surplus grid generated electricity from wind or solar energy to produce a fuel that is stored and later converted back into electricity when needed.

Abstract: An in-vehicle system is provided with a first in-vehicle unit having a first electric signal transfer part, a first substrate wiring, and a first connector; a second in-vehicle unit having a second electric signal transfer part, a second substrate wiring, a third substrate wiring, a second connector, and a third connector; a third in-vehicle unit having a third electric signal transfer part, a fourth substrate wiring, a fifth substrate wiring, and a fourth connector; a first insulated sheathed cable connecting the first connector and the second connector; and a second insulated sheathed cable connecting the third connector and the fourth connector. When the first insulated sheathed cable is connected, the first substrate wiring and the third substrate wiring become conductive. When the second insulated sheathed cable is connected, the second substrate wiring and the fifth substrate wiring become conductive, and the third substrate wiring and the fourth substrate become conductive.

Abstract: Various embodiments herein relate to systems for powering electrochromic windows in a building. Systems may include photovoltaic panels configured to generate electrical power, energy storage device(s) configured for storing generated power, and one or more controllers on a network of electrochromic windows that are configured to receive power from the energy storage device(s) and power tint transitions in one or more electrochromic windows. Systems may include various additional circuit components described herein for regulating and/or controlling the generation, storage, and application of electric power. The systems and techniques described herein can be used to design networks of electrochromic windows that are hybrid-solar or off-the-grid (“OTG”).

Abstract: In certain aspects, an enclosure for a wireless power transfer pad is disclosed. The enclosure includes a cover shell configured to be positioned over a portion of the wireless power transfer pad configured to face a wireless power receiver when wirelessly transferring power, wherein at least a portion of the cover shell is made of a heat resistant material.

Abstract: Wireless power supply devices, wireless powered devices, wireless power transmission systems, and manufacturing methods thereof. The wireless power supply device can include a first circuit configured to convert a DC voltage to an AC voltage for wireless power transmission between the wireless power supply device and a powered device. The system can also include a pulse signal receiver configured to receive a first pulse signal from the powered device and to generate a second pulse signal based on the first pulse signal, the first pulse signal being generated based on a feedback signal of the powered device indicating information associated with received power of the powered device. The system can also include a first control unit coupled to the first circuit and the pulse signal receiver, and configured to control conversion of the first circuit based on the second pulse signal.

Abstract: The present invention relates to resiliency in photovoltaically produced power generation and utilization. This invention comprises a system of elements that combine to minimize the cost and complexity of a backup-capable solar power system. An element of this system is a prior-art balancer-based photovoltaic panel power optimizer whose power electronics are time-shared to allow an array of battery modules to power or provide supplemental or surge power to an inverter. Further elements of the system provide for rapid and low-cost installation, reliability, and easy and safe maintenance.

Abstract: A control device includes an electric motor, a battery, a capacitor, a power source selection portion, a determination unit configured to determine whether the battery is normal, and a control unit configured to select, as a control mode of the electric motor, one of a first mode and a second mode in which a power consumption amount of the electric motor is reduced as compared to when the electric motor is driven in the first mode, and drive the electric motor in the selected control mode. When the battery is transitioned from a state of being determined to be normal to a state of being determined to be not normal, the control unit switches the control mode from the first mode to the second mode and then makes the power source selection portion select the capacitor.

Abstract: A pack-agnostic high voltage distribution apparatus can include an electrical component. The electrical component can be configured to control a first battery pack and a second battery pack different than the first battery pack.

Abstract: The present application relates to a method and apparatus of power distribution control for power module and a power module device. The method includes: obtaining temperature data of target devices in two or more power modules; analyzing whether the power modules are operating at full power when the temperature data of the target devices meets a preset temperature fault condition; and adjusting operating parameters of the power modules based on the temperature data when the power modules are not operating at full power.

Abstract: A power supplying device that can be used during emergencies is disclosed. The device comprises multiple adjustable battery compartments that can be connected, via switches, to deliver power to an external device connected to at least one power delivery port of the power supplying device. Each adjustable battery compartment includes a fixed lead and a sliding lead so that the multiple different battery sizes can be inserted into the compartment and connected to the device. An external battery connection device or harness can also be used with the power supplying device. The external battery connection device can be used to connect various different kinds of batteries with the power supplying device, such as cordless power tool batteries, cordless appliance batteries, and batteries for radio controlled (RC) devices.

Abstract: A power receiving apparatus, which has a first communication function and a second communication function, controls the first communication function to receive a first signal including information representing whether a power transmission apparatus can execute control communication using a second method, controls, based on the information representing that the power transmission apparatus can execute the control communication using the second method, the first communication function to transmit, to the power transmission apparatus, a second signal to request identification information of the power transmission apparatus for the communication of the second method and receive the identification information from the power transmission apparatus, and determines which one of the first communication function and a second communication function should be used for the control communication, based on the first signal and whether the identification information is received.

Abstract: For transmitting electrical energy different electric currents are transmitted through different numbers of wires from a plurality of sources, converted into single-wire electric currents with increased voltage, transmitted through a single-wire electrical current transmission line, converted into several electric currents with the reduced voltage and supplied to corresponding consumers.