Module-based energy systems are provided having multiple converter-source modules. The converter-source modules can each include an energy source and a converter. The systems can further include control circuitry for the modules. The modules can be arranged in various ways to provide single phase AC, multi-phase AC, and/or DC outputs. Each module can be independently monitored and controlled.

Module-based energy systems are provided having multiple converter-source modules. The converter-source modules can each include an energy source and a converter. The systems can further include control circuitry for the modules. The modules can be arranged in various ways to provide single phase AC, multi-phase AC, and/or DC outputs. Each module can be independently monitored and controlled.

The present application discloses a method, apparatus, device and medium for equalization control of battery packs. The method may include: acquiring a voltage of each of a plurality of cells of the battery pack; on the condition that one or more voltages of the voltages of the plurality of cells are within a preset voltage interval, selecting a target State of Charge (SOC)-Open Circuit Voltage (OCV) curve from a charging SOC-OCV curve and a discharging SOC-OCV curve stored for the battery pack based on the voltages within the preset voltage interval; acquiring a target SOC of each cell based on the target SOC-OCV curve and the voltage of each cell; calculating, for each cell, a SOC difference between the target SOC of the cell and a reference SOC; calculating an equalizing time for each cell based on the SOC difference of each cell.

A battery pack includes a plurality of cells and a control module. The control module is configured to acquire internal resistance of each of the plurality of cells, acquire a terminal voltage of each of the plurality of cells in real time in a case where the plurality of cells are charged with a constant current, determine an electromotive force of each of the plurality of cells based on the internal resistance of each of the plurality of cells and a charging current and the terminal voltage, determine a target cell from the plurality of cells based on the electromotive force of each of the plurality of cells, and perform charging balancing management on the target cell.

A dual motor powered compact drive comprises two electrical motors powering the planetary gear mechanism. The dual drive can provide variable speed and torque. A single electric motor operated braking system with a screw-driven wedged brake pads is described using a compact test set-up. The system comprises at least one motor and a screw shaft connected to transmit the power to a sliding plunger, and braking pads located on a braking disc, and a force sensor applied to measure the braking force, and a device to measure the parameters of the braking motor and the parameters are used as the inputs to establish a control strategy. Systems and methods for monitoring a battery pack including multiple cells are provided. The battery management system further comprises a control strategy for implementing a balancing algorithm. A balancing strategy comprises a determination of battery cells to be balanced, and a calculated balancing current.

A method for determining at least one aging state of a first plurality of electrical energy store units. The method includes: a) ascertaining the number of balancing operations already carried out between the first plurality of electrical energy store units within a predefined first time interval and/or the total converted energy quantity during a balancing operation between the first plurality of electrical energy store units and/or a first measure of dispersion of a particular state of charge-characterizing parameter of the first plurality of electrical energy store units; b) determining the at least one aging state of the first plurality of electrical energy store units as a function of the number of balancing operations already carried out and/or as a function of the total converted energy quantity during a balancing operation and/or as a function of the first measure of dispersion.

A method for detecting whether a battery management system is abnormal includes: calculating a value of a theoretical time constant corresponding to a first cell; determining a preset range of the theoretical time constant; controlling a first switch to turn off for a first time period, turn on for a second time period, turn off for a third time period; measuring a voltage on a first capacitor at end of first time period, to produce a measured voltage of first cell; measuring voltages on first capacitor at least at one time point in third time period, to produce measured capacitance voltages; determining a value of a measured time constant according to at least one of measured capacitance voltages and the measured voltage of first cell; and determining the battery management system is abnormal, if the value of the measured time constant exceeds the preset range of the theoretical time constant.

A system for managing automated charging, the automated charging management system is provided. The system comprises a charging cord management device, a charging cord connector, a power supply, a device, a first charging cord, and a second charging cord. The charging cord management device is configured to locate the power supply. The charging cord management device is configured to align the second charging cord and the charging cord connector with the power supply. The charging cord connector is configured to be in contact with the power supply without user interaction.

Provided are a battery pack and a charging method for the same. The battery pack includes at least one cell set including multiple cells connected in series. The charging method includes detecting a temperature of the battery pack under a preset state and a voltage of each of the multiple cells, the preset state being a state in which a charging circuit is disconnected and the battery pack is inserted in a charger after the battery pack has been fully charged, calculating a voltage difference between at least two cells in the battery pack based on the voltage of each cell, and determining whether to activate a balancing operation based on the voltage difference and the temperature.

A stabilizing electric battery system for vehicles that has a battery assembly and a rail assembly fixedly mounted onto a section of a chassis of a vehicle. The battery assembly has a battery and a housing. The battery assembly is mounted onto the rail assembly and moves laterally when the vehicle turns to increase stability of the vehicle in the turns. The rail assembly has a base and first and second rails. The first and second rails are mounted onto the base. Each of the first and second rails has respective linear ball bearing assembly. While the vehicle turns, the battery assembly slides on linear ball bearing assemblies from right to left and from left to right, in a same direction as the vehicle.