Abstract: A vehicle includes an engine configured to drive a front-end accessory drive and a tractive element, an energy storage system including a battery and a controller configured to control the flow of electrical energy to and from the energy storage system, a first generator electrically coupled to the energy storage system and configured to be selectively driven by the front-end accessory drive to generate electrical energy and supply energy to the energy storage system to charge the battery, and a second generator electrically coupled to the energy storage system and configured to selectively be driven by the engine to generate electrical energy and supply energy to the energy storage system to charge the battery.

Abstract: An energy conversion circuit, a control method based on the energy conversion circuit, and a vehicle are provided. The energy conversion circuit includes a primary bridge arm module, a resonant module, a secondary bridge arm module, and a control module. The primary bridge arm module includes a first bridge arm and a second bridge arm, and the secondary bridge arm module includes a first secondary switch and a second secondary switch. A drive signal for the first bridge arm, a drive signal for the second bridge arm, a drive signal for the first secondary switch, and a drive signal for the second secondary switch are controlled by the control module, to increase a voltage between the first DC positive terminal and the first DC negative terminal to a preset voltage.

Abstract: A power supply system includes a power storage device, a power supply circuit for supplying DC power from the power storage device to a load device, and a containment member for accommodating the power storage device. The power supply circuit includes a positive wire and a negative wire, a first switch provided on the positive wire, and a second switch provided on the negative wire. One of the first switch or the second switch is disposed in the interior of the containment member, and another one of the first switch or the second switch is disposed on the exterior of the containment member.

Abstract: A multi-modal maximum power point tracking optimization solar photovoltaic system is provided. A maximum power point tracking optimizer is connected to and powered by at least one solar cell.

Abstract: A method of transmitting power of a wireless power transmitter, including a phase of sequentially transmitting a detection signal to a wireless power receiver a plurality of times through a plurality of transmission coils to detect that the wireless power receiver is present; a phase of identifying a transmission coil that has received the signal strength indicator transmitted from the wireless power receiver in response to the detection signal transmitted a plurality of times; a phase of selecting, as a power transmission coil, a transmission coil that has received the signal strength indicator having the most or largest value among the plurality of transmission coils that have received the signal strength indicator as a power transmission coil; a phase of receiving an FOD status packet from the wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and a power control phase o

Abstract: A full-bridge inverter device includes channel-1 including first inverter formed of first DC link capacitor, first full bridge circuit and first output filter, second voltage and current probes and first AC load, first full bridge circuit being coupled with first gate driver circuit and first sin pulse width modulation that provides first positive half cycle output signal and first negative half cycle output signal; and channel-2 including second inverter formed of second DC link capacitor, second full bridge circuit and second output filter, third voltage and current probes and second AC load, second full bridge circuit being coupled with second gate driving circuit and second sin pulse width modulation that provides second positive half cycle output signal and second negative half cycle output signal. The phase difference between first positive (negative) half cycle output signal and second positive (negative) half cycle output signal is 90 degrees.

Abstract: A plurality of DC power supply apparatuses which are CVCC power supplies have output sides connected in parallel to a load. In each of the plurality of DC power supply apparatuses, an upper limit current maintained in a CC mode is designed to be equal to or lower than a rated current. Reference voltages of the plurality of DC power supply apparatuses are set to different values. The plurality of DC power supply apparatuses supply currents with transition from a CV mode to a CC mode, in the descending order of magnitude of the reference voltages, in correspondence with output currents to the load.

Abstract: Method and apparatus for generating green electrical power. A modified grid-tie configuration is provided in which electrical power is supplied to a load from a utility grid source and a photovoltaic (PV) source (e.g. solar panels). A grid-tie inverter generates alternating current (AC) power from the PV source that is phase aligned with AC power from the grid. In the event of a grid outage, a specially configured transfer switch disconnects the grid from the PV source and connects the PV source to a backup source. The grid-tie inverter again matches the AC power from the PV source with AC power from the backup source to enable continued operation of the PV source during the grid outage. The backup source may utilize an electrolyzer that generates stored hydrogen and a hydrogen fuel cell that converts the stored hydrogen to electricity.

Abstract: Embodiments relate to the field of photoelectric technologies, and provide a method for controlling photovoltaic power generation, a control device, and a photovoltaic power generation system. The method is applied to the photovoltaic power generation system. The system includes at least one photovoltaic string and a control device, the photovoltaic string includes at least one photovoltaic module, each photovoltaic module includes a photovoltaic unit and an optimizer that is connected to the photovoltaic unit, and the photovoltaic unit includes at least one photovoltaic component. The method includes: periodically sending, by the control device, an output voltage reference value update instruction to an optimizer in each photovoltaic string; and receiving, by the optimizer in each photovoltaic string, the output voltage reference value update instruction, and updating an output voltage reference value according to the output voltage reference value update instruction.

Abstract: A power supply includes a converter circuit, a switching circuit and a control circuit. The converter circuit includes a transformer, a primary side switch and a secondary side switch. The switching circuit includes first and second capacitors, first and second sets of switches. In a first phase, the primary side switch is in the conduction state, causing a magnetizing inductor of the transformer to store energy. In a second phase, the primary side switch is in the off state, causing the magnetizing inductor to release the energy. In a first mode of the second phase, a first amount of the energy is transferred through the first set of switches to the first capacitor. In a second mode of the second phase, a second amount of energy is transferred to the second capacitor through the second set of switches.

Abstract: A power supply device that wirelessly transmits power includes: a DC power source; an inverter circuit connected to the DC power source; a resonance circuit connected to the inverter circuit and including a power transmission coil; sensors that detect a current value flowing through the circuits or a voltage value applied to the circuits; and a control device connected to the inverter circuit and the sensor. The control device controls, when causing the power supply device to wirelessly transmit power, the inverter circuit to convert a DC voltage supplied from the DC power source into an AC voltage and supply the AC voltage to the resonance circuit. The control device controls, when diagnosing a sensor abnormality, the inverter circuit to supply the DC voltage to the resonance circuit without converting the DC voltage into the AC voltage and diagnoses a sensor abnormality based on a present sensor detection value.

Abstract: A battery monitoring device monitors an assembled battery in which sets of a plurality of battery cells connected in parallel to each other are connected in series to each other, the battery monitoring device includes an acquisition unit configured to acquire a voltage of the battery cell, a controller configured to control an upper limit value of a current flowing through the battery cell, and a detection unit configured to detect, in a case where the upper limit value is higher than a predetermined value, disconnection in the assembled battery in accordance with a comparison result between the voltage acquired by the acquisition unit and a first threshold value, in which the controller is configured to control the upper limit value such that the upper limit value is equal to or less than the predetermined value when the detection unit detects the disconnection in the assembled battery.

Abstract: An advanced hybrid distributed energy resource (AHDER) system is disclosed. The AHDER includes a fuel power generator system (FPGS) configured to utilize alternative fuel to produce electricity, a main control center (MCC) configured to serve as a central hub of the AHDER system for managing and optimizing power generation and distribution; a battery energy storage system (BESS) configured to store excess energy and provide power; a fast-charging system (FCS) configured to receive AC power from the MCC and convert the AC power to DC power for charging equipment; an emission control subsystem (ECS) configured to reduce pollutants emitted by the FPGS; a combined heat and power (CHP) system configured to recover waste heat from an emission from the FPGS for generating electricity and thermal energy; and a CO2 capture system configured to receive thermal energy from the CHP system and treat exhaust from the ECS for producing liquid CO2.

Abstract: A control device for controlling a DC-DC converter of an electric charger for an electric or hybrid motor vehicle, including in particular a corrective controller, a harmonic compensator and a control unit configured so as, when the control device starts, to periodically send to the corrective controller and to the harmonic compensator a lower operating limit and an upper operating limit, each having an initial value imposing an output current of the DC-DC converter whose intensity is close to zero and less than 500 mA, and a ramp increase to control the oscillations of the control signal supplied by the control device to the DC-DC converter.

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: A redundant power supply system comprising: a first load requesting power less than a first voltage; a second load requesting power less than or equal to a second voltage than the first voltage; and a redundant power supply supplying backup power to the first load and the second load when the main power supply fails, wherein the redundant power supply notifies the first load of a failure of the main power supply when the main power supply fails, and supplies backup power at an output voltage satisfying the request of the second load, and wherein the first load does not output an erroneous diagnosis when an input voltage from the redundant power supply is less than the first voltage or when a failure of the main power supply is notified from the redundant power supply.

Abstract: A method includes: obtaining a current charging current and voltages of n electrochemical cells; if a difference between a highest voltage in the voltages of the n electrochemical cells and a preset upper limit of a single electrochemical cell charging voltage is less than or equal to a preset difference, determining a derating current, where the preset difference is greater than or equal to 0, the highest voltage is less than or equal to the upper limit of the single electrochemical cell charging voltage, and the derating current is less than the current charging current; and indicating to charge the battery with the derating current.

Abstract: A power receiving device includes: a placement portion; a power feeder including a coil; a thermal conduction member disposed at a location that is located between the power receiving device and the coil control of stopping power feeding by the power feeder a processor to perform control of stopping power feeding by the power feeder in a case where after start of power feeding by the power feeder at a predetermined timing, temperature of the thermal conduction member detected by the sensor satisfies a predetermined condition. the power receiving device is placed on the placement surface and having a higher thermal conductivity than the placement portion; a sensor to detect temperature of the thermal conduction member; and a processor to perform control of stopping power feeding by the power feeder in a case where, temperature of the thermal conduction member detected by the sensor satisfies a predetermined condition.

Abstract: A power supply switching system includes a switch controlling apparatus, at least two switch apparatuses, alternating current (AC) powers, and a power shelf. The power shelf includes at least two AC inputting ends. Each of the at least two switch apparatuses is electrically connected between one of the AC inputting ends and the AC powers. A number of the AC powers is less than a number of the at least two AC inputting ends. The switch controlling apparatus is electrically connected with each of the at least two switch apparatuses, and controls the at least two switch apparatuses to turn on or turn off. The power supply switching system saves a number of the AC powers while executing an ATS test, thus an efficiency of the power shelf is improved. A switch apparatus is also provided.