Charge Equalisation Circuit TRIZ Cases

Selecting parallel battery packs by SOC, SOH, and voltage deviation improves energy use and range when pack degradation differs.

Battery cells are ranked by deterioration and grouped into matched units to keep reused packs delivering stable power as capacity declines.

Parallel load switching separates FET-induced and load-induced voltage drops, enabling reliable series-cell monitoring and interruption detection.

Wireless trailer docking recharges outdoor power equipment batteries during transport, cutting downtime and avoiding larger, heavier packs.

Dynamic battery-pack switching and power limiting use remaining charge more fully, extending electric working machine runtime.

Elongated cell compartments and tab-based balancing simplify servicing while keeping battery storage systems compact, adaptable, and reliable.

Charge-capacity tracking updates each cell’s balancing capacity, enabling faster, more accurate balancing across charging, discharging, and rest states.

Charge-capacity tracking replaces instant voltage checks to speed battery cell balancing, reduce errors, and improve module consistency.

Load-dependent switching uses a DC-DC converter input capacitor to balance battery cell charge, extending usable capacity and cell life.

Output voltage is adjusted by each unit's remaining charge to equalize discharge, extend endurance, and stabilize unbalanced AC multi-phase loads.

Switched capacitor compensation reduces reference electrode polarization error in battery voltage sensing, improving state-of-charge estimation.

Series battery cells feed separate voltage converters to cut terminal voltage difference, improve conversion efficiency, and extend battery life.

Pack-specific SOC regions and converter balancing reduce voltage gaps between mixed-SOH battery packs, improving safety and lowering management cost.

A sensed current drives matched load strings across cell groups, balancing discharge while reducing voltage stress on battery-pack components.

Calculating a compensation current range helps parallel battery packs counter equalization currents, reducing lithium plating and degradation.

Voltage second-derivative zero crossings stop aircraft emergency power cell charging at full capacity without overcharging or added temperature sensors.

Pre-applied compensation current enables parallel battery pack activation while limiting equalization currents that drive lithium plating and degradation.

Bridge-arm switching and an inductor transfer energy between series cells, improving balancing efficiency while cutting transformer size and cost.

Pre-applied compensation current offsets equalization surges when parallel battery packs are activated, protecting cells in cold high-SOC conditions.

Time-ordered cell switching balances SOC and SOH during charge and discharge, extending cell life while simplifying battery architecture.

A compact MOSFET-inductor balancer enables bidirectional charge transfer between battery cells, cutting space use, ripple current, and thermal strain.

Shared thermistor and voltage leads enable cell-level temperature sensing in battery modules without extra wiring, improving SOC balance and cell protection.

Measured cell energy deltas drive switching control to rebalance battery packs with less hardware, lower waste, and reduced EMI.

Pulse discharge tuned to dendrite natural frequency balances battery cells while suppressing dendrite growth and short-circuit risk.

A shared balancing resistor lets non-adjacent high-charge cells discharge iteratively, speeding passive balancing with less circuit complexity.

Voltage-based series and parallel grouping lets second-life EV packs operate safely and efficiently in lower-cost stationary storage.

Redundant implantable energy storage and voltage conversion improve blood pump power efficiency while reducing bulky external power dependence.

Self-calibrated resistor-ladder sensing corrects offset and temperature drift to balance multi-cell battery voltages at lower cost.

A BMS actively charges the lowest-SOC cell while passively discharging higher-SOC cells to speed balancing and cut energy waste.

A single shared power line handles charging, driving, and battery balancing to cut resistance and free layout space in wearable electronics.

A converter, resistive load, and controller adjust battery state of charge for safer storage and transport compliance with less manual oversight.

Adjacent cell grouping raises passive balancing speed while limiting damaging current through switches and resistors.

Series-connected first cells with bridge circuits suppress voltage and current variation while allowing a wider SOC range in power stabilization.

A central coordinator pools battery assets with reserved and usable charge ranges so smaller systems can join grid frequency balancing.

Continuous cell-level current and voltage sensing enables battery balancing control without periodic interruption, improving accuracy and efficiency.

A delay and flip-flop retention circuit keeps the contactor state during brief MCU-PMIC communication faults, avoiding unnecessary battery pack shutdowns.

Switchable battery modules replace external power trackers by reconfiguring series connections to meet target voltage with less weight and complexity.

Individual charge and discharge control equalizes series storage-cell voltages, reducing over-voltage stress and slowing deterioration.

Balancing targets are chosen by comparing SOC difference and cell SOH, avoiding unnecessary discharge that speeds battery aging.

Parallel battery modules, contactors, and DUC control prevent return-current damage to fuses while simplifying hybrid locomotive pack control.

Consumed-charge differences between series battery modules trigger selective discharge, preventing overcharge and overdischarge while keeping capacity balanced.

Capacity-based cell balancing uses voltage and integrated current to estimate each cell and discharge non-reference cells more accurately.

A processing chip and auxiliary driver amplify drive current to simplify BMS charge-discharge paths while improving reliability and interference resistance.

Electronic switching between series and parallel cell units maintains voltage balance and stops charging or discharge when contact failure is detected.

Local dQ/dV peak matching balances series battery cells and improves SOC estimation without waiting for voltage stabilization.

Threshold-based pack and cell balancing cuts voltage deviation in parallel battery packs to limit in-rush current and prevent cell damage.

Shared balancing modules and isolated AFE links reduce voltage drift between battery cell sets while preserving monitoring and communication safety.

Uses a non-plateau reference cell, equalization capacity, and SOH to improve battery pack SOC estimation when plateau cells distort voltage-based methods.

A central controller assigns charge and discharge power by each battery's SOC and SOH to balance parallel packs and extend service life.