Segmented battery-board assemblies with clamped connectors allow quick cell replacement without unsoldering, resolving vibration reliability trade-offs.
A sensing circuit uses pull-down and pull-up current sources to monitor battery cell tab conditions.
A controller balances traction battery cells using model-based state of charge estimates derived from voltage and current signals.
Output resistors and switching devices balance discharge currents across series-connected batteries, preventing uneven degradation.
A battery charging apparatus calculates a ratio of initial current to its rate of change during constant voltage supply to determine optimal charge state.
A resonant switched-capacitor converter adjusts output voltage through dynamic impedance configuration across multiple time intervals.
A battery inverter portable power supply delivers at least 3 kilowatts of AC output using rechargeable cells and an electronic inversion circuit.
Applying a controlled leakage current after full charge equalizes cell voltages, eliminating energy waste and overheating from traditional balancing resistors.
A power storage apparatus corrects current sensor errors using feedback control between storage modules.
A battery pack control apparatus uses a cascaded communication arrangement to reduce the number of photocouplers required for cell monitoring.
Time-division multiplexing circuitry dispatches equal energy pulses to multiple ports, resolving cross-regulation issues in flyback converter designs.
Dynamic low-current balancing minimizes charge loss and reduces cell voltage drops while maintaining power delivery capacity.
Variable buffer resistors limit inrush current from shorted cells, preventing overheating and enhancing safety without complex management systems.
Feedback control detects voltage drop across a resistor to adjust PWM duty ratio, stabilizing equalizing current against temperature and device variations.
Segmented submodule switching circuits prevent cell damage from overcharging while reducing circuitry complexity and internal resistance.
A battery management system detects shorted cells by measuring and comparing individual cell balancing discharge amounts.
A discharge current limiting circuit connects in series with a primary rechargeable battery to manage power delivery.
A vehicle battery balancing system redistributes energy across sections to equalize charge levels.
A bidirectional charging device manages power exchange between an electric vehicle battery and the grid using a server-controlled power conversion unit.
Switched inductor circuits transfer energy between serially connected storage cells, eliminating transformer complexity and reducing conversion losses.
Galvanically isolated signaling channels transmit analog values for precise state monitoring and overcharging protection.
Direct parallel connection via bidirectional switches eliminates power losses from relays and DC/DC converters while preventing equalization currents.
Discharging the electrical storage system via a large electrical machine reduces balancing time and prevents cell damage from heat.
A battery management system adjusts PWM output frequency to prevent switch overheating during cell balancing operations.
A series stacked DC-DC converter links output capacitors in series with photovoltaic modules to manage voltage stress.
A measurement circuit uses a flying capacitor and grounded capacitor to convert differential signals to single-ended outputs.
Reduces waiting time for subsequent vehicles by adjusting charging duration based on queue latency.
A balance correction control apparatus adjusts charge and discharge currents to stabilize State of Charge across series-connected electric storage cells.
A battery management device identifies abnormal parallel cell groups using voltage changes during equalizing processes.