Charge Equalisation Circuit TRIZ Cases

Independent switch control tailors current and voltage to each battery cell, enabling faster balanced charging with less aging.

Bypass switching and branch-level rerouting isolate faulty packs or converters so healthy battery strings keep charging and discharging.

A second engine-driven alternator with 48V-class storage and inverter chargers cuts current, weight, and generator bulk for large vehicles.

Differential voltage and temperature tracking speeds abnormal battery cell diagnosis and enables charging power limits for safer operation.

Parallel battery packs use VCM-controlled temperature sensing and self-heating to maintain uniform HV battery conditions with better safety and energy use.

Impedance-based current estimation lets switch mode battery balancing equalize cell voltages quickly while limiting overload risk and battery wear.

A switch-mode divider balances series battery cells by sensing voltage, current, and impedance to adapt duty cycles and prevent harmful balancing current.

Pulse width modulation and sensor feedback adjust balancing current to equalize cell voltages faster without increasing cell damage risk.

Auxiliary parallel chargers balance series-connected batteries while one bidirectional supply maintains uninterrupted charging and discharging.

A high-speed loop selects predictive or default battery string paths to balance charge and temperature while meeting changing power demand.

A midpoint sensor compares string center voltage with half the total string voltage to suppress common-impedance errors in battery health monitoring.

An external connector gives direct access to each cell block for faster balance charging and discharging without opening or removing the battery.

Individual voltage conversion ratios keep multiple energy storage devices charging or discharging to a common end time without energy imbalance.

Switchable pack control balances state of charge in parallel removable batteries, preventing cross charging and extending cycle life.

Phase-cut thyristor control charges a welding inverter capacitor with limited inrush current, lower losses, and no separate current-limiting hardware.

Balancing-charge monitoring reveals abnormal self-discharge in lithium-ion cells, enabling early action against internal shorts and thermal runaway.

A shared driving transformer and multi-port converter cut isolated drivers and MOSFET count, reducing battery equalizer size and cost.

Automatic series-parallel battery switching raises output voltage in cold conditions while preserving endurance and reducing terminal shutdown risk.

An inductor and transistor balancing circuit shifts energy between battery cells to reduce SOC mismatch, cut balancing loss, and extend ESS life.

Switching between open-circuit and closed-circuit voltage control secures cell equalization opportunities and improves state estimation accuracy.

Independent balancing in each battery string uses local voltage detection and timed discharge to cut wiring, energy use, and pack complexity.

A precomputed equalization time lets the controller stop battery block balancing accurately during conduction, avoiding wasted pack power.

Multiple battery packs are charged and isolated individually, then paralleled during outages to keep cataract surgery powered within 100 Wh air-freight limits.

Real-time voltage ranking enables low-voltage packs to join charging in sequence, cutting total charging time and improving efficiency.

A controller charges the lowest-voltage parallel battery modules in sequence to speed voltage equalization without added equalizing resistors.

When one battery channel hits its current limit, switchable parallel channels combine output to maintain faster charging and discharging.

A control circuit blocks cell balancing below a temperature threshold to prevent low-temperature voltage imbalance and permanent battery failure.

A switched-coil circuit balances unequal battery SOC while boosting output voltage, extending power tool runtime without stopping mid-use.

Model-based SoC estimation with hysteresis compensation enables continuous battery cell balancing during operation, improving pack life and capacity use.

Inductive balancing and transformer coupling let unevenly illuminated solar substrings maintain voltage while avoiding the weakest-string current limit.

Individual string sensors and contactors let a controller balance charge, prevent equalization currents, and scale battery pack output safely.

Main-path and bypass switching balances battery module SOC without resistor discharge, while buffer circuits absorb connection transients.

Bidirectional charger-converter architecture balances voltages between EV batteries internally, avoiding external balancing circuits and extending pack life.

A BMS tracks total pack voltage and shifts the equalizing trigger so high cells discharge while lower-voltage cells continue charging.

A boost-fed constant-current driver powers battery equalization matrix switches without transformers or optocouplers, cutting EMI, cost, and complexity.

A dedicated power branch keeps battery equalization running in OFF gear, improving cell consistency, balancing time, and EV battery life.

Adjacent-cell isolated DC/DC converters balance series battery voltages, improving equalization efficiency while avoiding extra balancing hardware.

A bistable bi-material bracket uses differential thermal expansion to isolate overheated battery cells and limit thermal runaway propagation.

Measured AFE power use lets the host rebalance daisy-chain battery monitors, reducing voltage imbalance and improving system reliability.

Switch-controlled cell bypass isolates each battery-cell assembly for precise voltage measurement without disrupting series battery operation.

Bidirectional energy transfer during battery formation recycles discharge energy to cut power use, lower capex, and avoid overcharging.

A staged battery and supercapacitor charging scheme cuts cold-start delay and delivers high burst current for vehicle starting below −40°C.

A bypass-plus-buck converter manages auxiliary battery charge and recharge current to extend EV range while reducing converter cost.

Series low-voltage cells with delayed switching and active voltage balancing cut dv/dt, switching loss, and scaling limits in high-voltage conversion.

Old EV battery packs are voltage-balanced and reused in autonomous chargers, extending pack life while avoiding costly dismantling and rebuilding.

Pulse charge and discharge voltage measurements reveal relative cell SOC more accurately than open-circuit readings, enabling effective equalization.

A selectable power conversion circuit balances any two battery cells directly, cutting energy waste and avoiding continuous closed-loop detection.

Alternating charge and discharge across multiple power cells enables quiet, fume-free off-grid power with continuous operation.