Patent classifications
H02J7/90
MULTI-PHASE BUCK-BOOST CHARGER ARCHITECTURE
A multi-phase buck-boost converter system can include an external discrete component power stage and a controller integrated circuit. The external discrete component power stage can include a first and second phases each respectively having an input half bridge including first and second or third and fourth discrete switching devices and corresponding first and second discrete inductors operable as first and second buck stages. The controller integrated circuit can include a first and second output half bridges respectively corresponding to the first and phases and respectively having fifth and sixth or seventh and eighth integrated switching devices respectively coupled to the first or second discrete inductors and respectively operable as first and second boost stages in conjunction with the first and second buck stages as a first buck-boost converter and controller circuitry that operates the first and second buck-boost converters to produce a regulated output voltage from an input voltage.
Energy storage system control method, control apparatus, and energy storage system
This application provides an energy storage system control method, a control apparatus, and an energy storage system. The energy storage system is coupled to an energy generation system and includes a plurality of energy storage units. The energy storage system control method includes: controlling, in a first stage, the energy generation system to charge a first energy storage unit in the plurality of energy storage units, where the first stage is a charging stage in a charging cycle of the first energy storage unit; and controlling, in a second stage, the first energy storage unit to discharge electricity to a second energy storage unit in the plurality of energy storage units, where the second stage is a discharging stage in the charging cycle of the first energy storage unit.
BOOST CONVERTER CIRCUITS
A boost converter circuit is disclosed comprising an input to receive an input voltage from a battery; an output to generate a higher, output voltage for powering a further circuit portion; and a switching arrangement to control generation of the output voltage. The boost converter circuit compares the input voltage with a first reference input voltage and controls the switching arrangement to limit the output current of the boost converter circuit based on the comparison. The boost converter circuit monitors a parameter indicative of a condition of the battery, determines a second, lower reference input voltage in response to the monitored parameter, compares the input voltage with the second reference input voltage and controls the switching arrangement to limit the output current of the boost converter circuit based on the comparison of the input voltage and the second reference input voltage.
Method And Device For Controlling Battery Charging
According to embodiments of the present invention, a battery charge control apparatus may include at least one processor; and a memory configured to store at least one instruction executed by the at least one processor.
The at least one processor may be configured to, upon receiving a user input information including a charging objective, derive a plurality of optimal charge maps that satisfy the charging objective based on battery state information and charger state information; output information on each of the derived optimal charge maps through a predefined graphical user interface (GUI); and upon receiving a user selection signal for one of the optimal charge maps, control charging of the battery based on an optimal charge map corresponding to the user selection signal.
Parked vehicle charging method and system
A parked vehicle charging method includes inputting vehicle information of a vehicle that is parked, parking space information, charging information requested by the vehicle, and necessary time information preliminarily secured by the vehicle to a management server, scheduling, by the management server, charging of the vehicle based on the requested charging information and the necessary time information of the vehicle, controlling, by the management server, charging intensity of charging equipment based on the vehicle information of the vehicle, the parking space information, and a charging schedule, and receiving, by the management server, charging result information from the charging equipment after charging end of the vehicle and calculating an amount of money to be charged to a user of the vehicle.
Charger with power pulsation absorption circuit and controller for same
A charger includes: a rectifier including input terminals, a cathode terminal and an anode terminal, wherein the input terminals are configured for connection to an AC power supply; a DC/DC converter including a first terminal, a second terminal and output terminals, the first terminal being configured to be connected to the cathode terminal of the rectifier, the second terminal being configured to be connected to the anode terminal of the rectifier, wherein the output terminals are configured for connection to a battery; and a power pulsation absorbing circuit including a first to third diodes, an inductor, a capacitor, a first switch and a second switch, wherein the DC/DC converter, the first and second switch are controlled to obtain a constant sum of a power outputted from the AC power supply and a power outputted from the capacitor during increasing a voltage outputted from the AC power supply.
Direct current converter, controlling method, and vehicle
A DC converter, a controlling method, and a vehicle are provided. The DC converter includes: a first inductor, a switching unit, a diode, a first capacitor, a load resistor, a pre-charge control unit and a controller. The output terminal of the controller is connected with the control terminal of the switching unit and the control terminal of the pre-charge control unit. The controller is configured to control the switching unit to be turned on or turned off, and to control the resistor connected between the negative electrode of the diode and the first end of the load resistance in the pre-charge control unit when the switching unit is turned off, such that the direct current converter is pre-charged by the low-voltage power supply.
Power supply system
A power supply system with a large number of battery modules, wherein each battery module has a first electrical connection and a second electrical connection, via which the battery modules are connected in series in an interconnection branch of the power supply system. Each battery module also has an accumulator which can be connected via a bridge circuit of the battery module to the first electrical connection and the second electrical connection, and to a charging path via which the power supply system can be charged, and to a discharging path via which the power supply system can deliver electrical power to a connected consumer. The power supply system has a switching component to which the charging path, the discharging path and the interconnection branch are connected, and wherein the switching component can connect the charging path and/or the discharging path electrically conductively to the interconnection branch.
Battery module, power supply device comprising battery module, and electric vehicle and power storage device comprising power supply device
A battery module includes battery stack including a plurality of stacked battery cells, a pair of end plates disposed at both end parts in a stacking direction of battery stack, bind bar in which the pair of end plates are coupled, and electronic circuit block mounted with voltage detection circuit that detects a voltage of battery cells. Electronic circuit block is disposed on an outer surface of both end plates disposed at both end parts of battery stack, and electronic circuit block is connected to battery cells via voltage detection line.
Rule based smart charging
Smart battery charging solutions are disclosed. The smart charging solutions of the disclosure enable a user to configure a mobile device with individualized battery charging settings. The user specific settings may be combined with system settings to generate rules on battery charging. Context awareness is achieved through various sensors and through information sharing within and among the systems of the mobile device. The battery charging rules and the context awareness information are used together in controlling the charging of a battery.