Abstract: An apparatus includes a controlled field alternator or utility source of electrical power, a conversion device, and a controller. The conversion device includes a first power input associated with a first power source, a second power input associated with a second power source, and circuitry configured to perform a first conversion of power from a first format from the first power source to a second format for charging the second power source and perform a second conversion of power from the second format for the second power source to a third format for supplying a load.

Abstract: Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.

Abstract: A system to deliver power to a load in a transport vehicle has: (a) a battery; (b) a super capacitor bank; (c) a bidirectional DC/DC converter configured to transfer power to/from the super capacitors in order to absorb/supply power from/to the load, and configured to transfer power between the super capacitors and the battery and/or the load in order to charge the super capacitor from the battery or load or charge the battery/load from the super capacitors in a controlled way (d) a hybrid controller configured to identify when pulsed power is required to/from the load, and based on a charging pulse profile, supplying a plurality positive and/or negative current pulses to the battery.

Abstract: Disclosed are systems and methods to provide continuous power to electrical devices using a portable power supply unit and a portable power charging unit. The portable power supply unit may include a first battery providing a first DC output, at least one first inverter for converting said first DC output to a first AC output for powering the electrical devices and for converting a first AC input to a first DC input for charging said first battery. The portable power charging unit may include a second battery for providing a second DC output, a second inverter for converting said second DC output to a second AC output; and transmitting the second AC output to the first battery using charging ports on respective units such that said second AC output replaces said first AC output for powering said electrical devices, and replaces said first AC input for charging said first battery.

Abstract: The present disclosure discloses a distributed capacitance energy absorption verification device, which belongs to the field of direct-current high-voltage surge suppression. The distributed capacitance energy absorption verification device mainly includes a direct-current high-voltage generator, a high-voltage switch, a high-voltage capacitor bank, an isolation transformer, an energy absorption device, a high-voltage sphere gap short-circuit switch and other components. The high-voltage capacitor bank is used for simulating a distributed capacitance, and the high-voltage sphere gap short-circuit switch is used for simulating a short-circuit fault of a direct-current high-voltage system, thereby implementing performance verification of the energy absorption device.

Abstract: An electrified vehicle includes a motor including windings, a power factor correction circuit including AC and DC terminals and including legs corresponding to respective AC terminals and connected between the DC terminals, and a DC/DC converter including a first switching circuit including first, second, and third primary legs connected between terminals of a battery, a second switching circuit including at least one secondary leg connected between the DC terminals, and a transformer connected between the first and second switching circuits. In a battery discharging mode, the DC/DC converter switches the first primary leg and the at least one secondary leg, outputting a voltage of the battery to the DC terminals via the transformer. When the motor may be driven, the DC/DC converter switches the second and third primary legs electrically disconnected from the transformer, outputting the voltage of the battery to the motor.

Abstract: An antenna device includes: an array antenna having antenna elements; phase shifters to adjust a phase of a power transmission signal supplied to each antenna element in a first axis direction; a camera to obtain an image through a fisheye lens; a memory; and a processor to execute converting a first position of a marker in the image, into a second position in polar coordinates on a first plane including the first and second axes; obtaining, from the second position, an elevation angle of the first position projected onto a second plane including the first and third axes, with respect to the third axis; storing in the memory, sets of phase data corresponding to elevation angles, representing phases adjusted to be aligned upon power transmission to a power receiver, for controlling the phase shifters to make a beam radiated by the array antenna directed at the elevation angle.

Abstract: The present invention relates to a method for reducing wear of an energy storage device in an energy storage system connected to a load, the energy storage system comprising at least two energy storage devices. The method comprising: connecting (S1) the energy storage system to an electrical energy source, and electrically powering (S2) the load via the energy storage system by connecting at least one of the energy storage devices to transfer electrical energy from the electrical energy source to the load, and disconnecting at least one other energy storage device to not transfer any electrical energy from the electrical energy source to the load.

Abstract: Remote control devices may control electrical loads and/or load control devices of a load control system without accessing electrical wiring. The remote control device may be mounted over a mechanical switch that is installed in a multi-gang wallbox adjacent to a second electrical device, such as another mechanical switch or an electrical receptacle. The second electrical device may be recessed with respect to the remote control device and may be brought forward towards a front surface of the adapter by loosening a first set of screws that attach a yoke of the second electrical device to the multi-gang wallbox, and tightening a second set of screws that attach the adapter to the yoke of the second electrical device. The remote control device may comprise one or more configurable attachment members for attaching the adapter to the yoke of the mechanical switch and/or to the yoke of the second electrical device.

Abstract: A working machine includes a work attachment connection arrangement configured to operationally connect to the working machine a work attachment provided with a work tool; and a control system configured to control the operation of the working machine and to control the operation of the work attachment. The working machine further includes: at least a first electric motor; a first rechargeable battery; an electric power circuit connecting the first electric motor and the first rechargeable battery, wherein the work attachment connection arrangement includes a first electrical connector, wherein the first electric connector is configured to be connected to a corresponding electrical connector connected to an auxiliary rechargeable battery.

Abstract: A battery system includes: a first positive terminal, a second positive terminal, and a negative terminal; at least two battery modules, each including switches and at least three strings of battery cells configured to, via the switches, at different times be: connected in series and to the first positive terminal; connected in parallel and to the second positive terminal; and disconnected from both of the first and second positive terminals; and a switch control module configured to, when a fault is diagnosed in one of the strings of one of the battery modules: at least one of: actuate the switches and isolate the one of the battery modules from the first and second positive terminals; and actuate the switches and isolate the one of the strings from the first and second positive terminals; and selectively actuate the switches of the remainder of the battery modules using model predictive control.

Abstract: A battery system for an electric vehicle includes at least one battery cell configured to store charge for powering an electric vehicle, a high voltage bus electrically coupled with the at least one battery, a DC-DC converter electrically coupled with the battery cell, a low voltage bus electrically connected between the DC-DC converter and at least one vehicle electrical component, and a cell monitor electrically coupled with the at least one battery cell and the DC-DC converter, wherein the cell monitor includes a current sensor configured to detect a current from the at least one battery cell to the DC-DC converter. The cell monitor includes a controller configured to estimate a state of charge of the at least one battery cell according to the current detected by the current sensor, and adjust switching operation of the DC-DC converter according to the current detected by the current sensor.

Abstract: An apparatus for supplying emergency power according to an embodiment of the present disclosure includes: a protection circuit unit connected to a battery and configured to limit an available voltage range of the battery; a bypass unit connected in parallel to the protection circuit unit and configured to form a bypass path of a current output from the battery according to an operation state of a disposed switching element; and a control unit configured to electrically connect the bypass path formed by the bypass unit by controlling the operation state of the switching element to a turn-on state.

Abstract: Systems and methods of thermal control in a resilient battery cooling system ensure that power is maintained to operate a cooler even when an event disables a battery cell. The cooler can therefore prevent thermal propagation from the affected cell to neighboring cells.

Abstract: A vehicle includes control pilot circuitry connected with a charge port and including a control pilot line, a resistor, and a switch that selectively connects the resistor between the control pilot line and a ground of electric vehicle supply equipment plugged into the charge port. The vehicle also includes a controller that toggles the switch between open and closed states after receiving an off-board request defining a number of toggles for the switch.

Abstract: An input end of each DC-DC conversion circuit in the photovoltaic system is connected to a corresponding photovoltaic string. Output ends of a plurality of DC-DC conversion circuits are connected in parallel to an input end of a DC-AC conversion circuit. A controller performs a partial IV curve scan on each of the DC-DC conversion circuits, and in a scanning process, controls a total input power of the plurality of DC-DC conversion circuits to be consistent with that existing before the scan; and obtains a sum of the maximum input powers of all the DC-DC conversion circuits based on the maximum input power of each of the DC-DC conversion circuits, where a scanned voltage of the partial IV curve scan is less than an open-circuit voltage. The partial IV curve improves scanning efficiency and obtains a maximum input power in a power-limited state, facilitating subsequent power dispatch and control.

Abstract: An energy conversion apparatus and a vehicle are provided. The energy conversion apparatus includes a motor coil of a motor (101), a bridge arm converter (102), a bus capacitor (103) connected to the bridge arm converter (102) in parallel, and a controller (104) connected to the bridge arm converter (102). When the energy conversion apparatus is connected to an external power supply, according to to-be-driven power of the motor and to-be-charged power of an external battery (105), the controller (104) controls the bridge arm converter (102) to cause electrical energy of the external power supply to flow to a drive-charging circuit, and adjusts a current of the drive-charging circuit, to cause the external power supply to drive the motor to output drive power and charge the external battery (105) at the same time.

Abstract: The invention is a power supply management device for intelligent motorcycle, comprising a power device and a power supply management system. The power supply management system is electrically connected to the power device. The power supply management system includes a processor, an input module connected to the processor, a link module connected to the processor, a voltage modulation module connected to the processor, a protection module connected to the processor, and an output module connected to the processor. Thereby, the power supply management system can be electrically connected to the rechargeable battery of the power device, serving for power supply and power management in various demands, and in turn, for effective control and management of the power to meet the operation requirement of the intelligent motorcycle.

Abstract: A switching power supply device includes a first switch, a second switch, a current sensing portion configured to sense current flowing in the second switch, and a controller configured to control the first and second switches in accordance with the current sensed by the current sensing portion. The controller includes an accumulating portion configured to accumulate information of the current sensed by the current sensing portion during a predetermined period of time while the first switch is in the off state, and reflecting portion configured to start the transmission of the current information accumulated by the accumulating portion before the first switch is changed from the off state to the on state so as to reflect the current information accumulated by the accumulating portion on the slope voltage, and controls the first and second switches in accordance with the slope voltage.

Abstract: Disclosed here in is a retrofit device compatible with existing electronic locks, the device including a housing, one or more rechargeable batteries capable of providing power to the device, the existing electronic lock, and one or more accessories, and a module enabling wireless communication with one or more external electronic devices. The device is configured such that power can be delivered even when one or more of the batteries is removed, dead, or otherwise incapable of providing power. The module is configured to interface with the existing electronic lock such that commands can be delivered and executed wirelessly.