Current/Voltage Measurement TRIZ Cases

Tracking peak shifts in differential voltage and capacity profiles reveals electrode capacity loss and available lithium for better battery state estimation.

Parallel detection wires cancel induced voltages from electromagnetic noise, improving current sensing accuracy without extra circuit area or components.

Synchronized multi-end phasors and load-current compensation improve fault location on tapped distribution lines with distributed generation.

A color-changing strand finish marks fault location and damage extent after overcurrent exposure, helping crews decide when cable replacement is needed.

Adaptive filtering of cell voltage and current derives G and H parameters for real-time abnormal battery cell detection with less data collection.

Polynomial reduced-order electrochemical models cut battery state estimation complexity while keeping terminal voltage error below 2%.

A protection circuit monitors cell voltage and switches modes to block external overvoltage from damaging the rechargeable energy storer.

Voltage monitoring across each phase detects faulty MOSFETs and shuts down only the failed buck stage to prevent overvoltage and keep loads running.

Multi-stage sampling logic records ESD and EOS voltage events in memory cells, helping identify damaged chips before shipment.

An overlapping auxiliary interval captures pulses across the full measurement window, reducing dead time in spectrometer ion frequency measurement.

Decoupled positive-sequence voltage tracking improves wind turbine grid frequency detection and avoids misresponse during ride-through and switching.

Cause-based battery aging states with power-law time dependence improve deterioration prediction accuracy under changing use conditions.

Automatic gain switching keeps current sensing accurate at low currents while avoiding amplifier saturation at high currents.

A convergence value map uses voltage, current, battery temperature, and ambient temperature to detect battery short circuits faster.

A clamping unit stabilizes reference voltage while a switch cuts input power on abnormality to prevent vehicle circuit malfunctions.

Dynamic gate-voltage and duty-ratio control in PPS charging prevents battery overvoltage during CC-CV transitions.

Separate current sensors and voltage conversion enable accurate SOC estimation across mixed-voltage battery packs without complex sensor communication.

By comparing leakage voltage with total pack voltage, this circuit pinpoints battery leakage locations without complex per-cell circuitry.

A comparator-based shutdown circuit detects buck output overvoltage from duty-ratio instability and cuts power to protect display electronics.

Machine-learned initial voltage and phase estimates cut power flow iterations, improving convergence speed and accuracy in stressed grids.

Variable drift thresholds tied to phase current reduce false failure detection in multiphase chopper transformer circuits.

Stored current time-series values and selectable signal functions enable faster fault detection and prediction than simple threshold checks.

Combining current direction checks with phase-to-neutral voltage ratios helps detect inter-phase and single-phase faults without unnecessary breaker trips.

High-rate IED waveform analysis separates voltage sags, faults, and magnetization inrush events for faster, more targeted power quality response.

A comparator gets temporary supplemental current during voltage ramp-up, enabling fast startup detection without continuous power drain.

Electromagnetic induction senses surge current around a conducting wire and drives a solenoid alert without damaging the protected line.

Charge-discharge voltage points are matched to electrode reference profiles to diagnose secondary battery degradation with low memory and calculation load.

Voltage-capacity differential peak matching diagnoses battery electrode deterioration without destructive testing or added explosion risk.

A one-chip active EMI compensation circuit adds malfunction detection and voltage stabilization to cut size, cost, and thermal runaway risk.

By comparing load power at different times, this case detects wiring and connection degradation before power loss leads to engine start failure.