A mobile cooling equipment and its power supply system are disclosed. The power supply system includes a power conversion unit, an isolation unit, a control unit, and a main power supply unit. The power conversion unit is to convert AC power input from an AC input terminal into DC power and output…
The present invention provides an uninterruptible power supply, including: a primary branch, including a rectifier module and an inverter module; a battery branch, including a bidirectional power conversion module and a battery; and a controller, including a charge/discharge controller. The…
A discharge management method, applicable for a plurality of standby batteries, comprises: detecting the health status and capacity status of each of standby batteries, treating each of standby batteries as a target battery and performing: determining the relationship between the capacity status of…
The present disclosure is directed to charging a battery pack by measuring an electrical impedance value of a battery pack by applying a sinusoidal AC excitation signal to a plurality of battery cells of the battery pack, measuring a total impedance value of the battery pack, obtaining a chemical…
A method for calibrating a state of charge (SOC) and/or resetting a predicted SOC of an energy source unit includes providing a SOC of at least one of at least two sub-units, during a charge or discharge event, selectively charging or discharging the at least one of the at least two sub-units until…
An energy storage system, a control method thereof, and a power consumption system. The energy storage system includes a first energy storage sub-system, a second energy storage subsystem, and a power conversion system. The first energy storage sub-system is provided with a first battery system and…
A power system includes a battery device that outputs information related to a battery, a power generation device that supplies power to the battery device, and a control device that controls power generation voltage of the power generation device based on the information acquired from the battery…
A fuel cell apparatus includes a fuel cell; a voltage level conversion unit configured to boost stack voltage generated by the fuel cell in response to a first control signal; a main battery configured to store boosted voltage output from the voltage level conversion unit; an auxiliary unit…
Embodiments of the present disclosure provide a voltage compensation method, an apparatus, storage medium, and a program product. Voltage values at both ends of a conductive line between a power supply apparatus and a processing apparatus, and a current value on the conductive line are determined…
A power control circuit to control data center power delivery is disclosed. In at least one embodiment, the power control circuit may be configured to selectively cause at least a portion of a supplied power to be directed to one or more server racks or to charge one or more batteries based, at…
A vacuum cleaner includes: memory storing instructions; a power part including a rechargeable battery; a suction motor configured to be driven by power supplied by the power part to suction debris; a debris container configured to store the debris that is suctioned by the suction motor; a charging…
A method of operation is provided during which a pre-charge switch is closed to electrically couple a power supply to a motor controller through a pre-charge supply circuit, where a main switch is open. An electrical parameter of electricity directed through the pre-charge supply circuit is…
A power supply circuit and a related apparatus, used in the field of terminal technologies, are provided. The power supply circuit includes: an EIS module connected to a battery, a controller, and a power management module. The EIS module is connected to the controller, and the controller is…
Systems, methods and software products for operating circuit with energy storage module (ESM). The methods comprising: providing, at input port, an input voltage (IV); providing, via PWM, counter voltage (CV); converting, via inductor, a difference between IV and CV to module current (MC) which…
Systems and methods that charge a battery using a signal with at least one harmonically tuned aspect based on impedance of the battery with a frequency or harmonic component. The system may further involve a power converter that may act in concert with charging to power a load. In some instances…
A system for dissipating energy stored in a battery system includes a direct current (DC)-DC converter, an active front end (AFE), and a controller including one or more memories and one or more processors. The one or more processors are configured to determine a current state of charge (SOC) of…
The charging control apparatus according to the present disclosure includes a voltage sensor configured to detect the voltage of a battery cell and a controller configured to execute an intermittent charging process to alternately repeat a charging mode and a resting mode for the battery cell…
A string system controller changes charge and discharge power of the entire power storage system from a current value to a target value by selectively executing one of a standard slope control of individually calculating a string charge and discharge power instruction value of each predetermined…
An energy storage valve operation control method and apparatus, an energy storage system, a computer device, a storage medium, and a computer program product. In a case that an energy storage valve needs to exit operation, a branch current of the energy storage valve is gradually controlled to…
A management apparatus, includes a control unit for acquiring operational characteristics information of a power storage source from a sensor unit and determining an operating power limit of the power storage source, determining a charge power or discharge power of the power storage source using…
An electronic system may include an electronic device and a power maintenance device. The electronic device may include a battery and a memory. The memory may include a test function block configured to monitor a level of the battery to generate a control signal for maintaining the level of the…
Embodiments of the present application provide a charging and discharging apparatus and a battery charging method, which are capable of ensuring security performance of a battery. The apparatus comprises a bi-directional DC/DC converter and a control unit, wherein the control unit is configured to…
The present disclosure relates to a battery system supporting a plurality of operation modes according to the SoC. To this end, the battery system is characterized by comprising: one or more batteries supporting multiple operation modes for power storage or supply according to the state of charge…
An Uninterruptible Power Supply (UPS) including an input configured to receive input AC power, a DC output configured to provide output DC power to a load, an AC output configured to provide output AC power to the load, a charger coupled to the input and configured to convert the input AC power…
A battery charging device and a control method. The battery charging device includes a charging circuit (211) for charging a battery (25) based on a value of a charging current on a charging current set terminal (ISET), a charging current control circuit (212) for gradually regulating the value of…