Current/Voltage Measurement TRIZ Cases

Operating data such as voltage, current, temperature, and SOC are used to set accurate battery model parameters without separate HPPC tests.

A delayed detection voltage creates a dynamic current threshold that catches low-impedance short circuits before rising current damages display devices.

Automatic sensing and threshold-based boosting keep watercraft shore power stable when long cables and multiple vessels cause voltage drop.

Current-based wire temperature estimation enables adaptive current limiting for automotive harness protection with fewer false latch-offs.

A lumped-parameter model estimates arc energy during opening maneuvers to detect breaker wear early and avoid unnecessary maintenance.

An extended electrode block replaces multiple bonding wires, shrinking large-current shunt resistors while improving mountability and detection accuracy.

Dynamic current-limit override keeps boost converter output near input voltage during droop, avoiding bypass-mode transitions and collapse.

A current constriction built into a high-current connector raises local flux for accurate differential sensing without a ferrous core, reducing cost and EMI sensitivity.

Wireless outlet testers detect voltage loss as breakers open, quickly mapping outlets to breakers and identifying GFCI-linked circuits.

A single selectable overcurrent protection path cuts layout area, mismatch, power use, and cost across multiple circuit channels.

Precomputed sinusoidal reference values enable faster AC grid fault detection, helping generation systems ride through low-voltage events.

A low-power fault monitor keeps the interrupter responsive during power loss, cutting resistor count and enabling UL943 de-energization.

Offset voltage injection shifts the protection threshold with feedback and current sensing to prevent regulator overvoltage and undervoltage.

Granular outage analytics reveal how recovery speed scales with storm severity, helping utilities prioritize vulnerable communities.

GPS-timed voltage and current monitors locate intermittent and high-impedance powerline faults without impedance models or full fault current data.

Standby current sets an adaptive threshold that detects metal foreign matter accurately while avoiding false startup blocks in wireless power transfer.

A transducer-based monitor tracks ESC high-voltage output in real time and triggers an interlock before voltage drops cause wafer unseating.

Local current sensing and feedback let an extension card enforce power limits in real time while maintaining maximum performance within supply constraints.

Battery voltage threshold control switches the pack converter between wakeup and shutdown modes to prevent overdischarge and extend lifespan.

A controller compares side-line and center-tap voltages to catch secondary-coil shorts and protect position accuracy in variable differential transformers.

Current-difference and decay-time checks detect low impedance at converter outputs early, protecting IGBTs and avoiding motor noise.

Inductor voltage monitoring in DC rail concentrators detects and isolates faults quickly, even where travelling-wave methods lose accuracy.

Split capacitors and parallel adjustment lines shorten short-circuit time for battery connection failure detection while reducing power loss.

Voltage variance, correlation, and current comparison reveal real feeder topology without manual GIS input, improving fault location and restoration.

Insulated trip-signal transmission lets semiconductor breakers cut fault current first, reducing arcing and protecting the control circuit.

Periodic correction from an independent diagnostic power source lets a BMS measure battery and inverter voltages accurately across wide temperatures.

One current transformer supports both energy metering and surge detection through dual sensing paths and a high-pass filter, cutting cost and complexity.

Multi-frequency envelope waveforms and neural network analysis help distinguish arc faults from nonlinear loads and reduce false tripping.

Integrated conical shielding electrodes in a cable terminal reduce parasitic capacitance and external field errors for more accurate HV measurement.

Zonotope Kalman filtering estimates battery sensor fault intervals to improve state assessment accuracy and prevent over-charge risks.

Sensor-based zero-crossing timing switches an AC contactor at waveform zero to cut arcing, voltage spikes, noise, and contact wear.

Calculating current split across mixed electrode active materials enables charge control that reduces deterioration and extends lithium-ion battery life.

Multiple voltage readings across battery rest periods separate state-of-charge effects from true cell faults, improving short-circuit diagnosis.

Adjusting gate width with OPC helps single-fin and multi-fin regions achieve closer DIBL behavior without major process changes.

Three current samples around switch commutation compensate load variation errors, enabling more accurate failure detection in inductive load drivers.

Independent high-side and low-side current sensing exposes fault currents, improving actuator regulation when multiple control units share one load.

Uses line-to-line voltage and phase current signals to estimate motor torque and speed accurately without position or torque sensors.

Voltage checks at each phase fault point detect shorted MOSFETs early and isolate the failed buck phase to keep the load powered.

Series-connected phase current coils detect ground faults without an extra three-phase coil, cutting hardware while preserving low-current precision.

Interpolated voltage sampling compensates Rogowski coil and integrator phase errors, enabling accurate power measurement in low-voltage breakers.

A dual-bandgap voltage monitor compares divided input and reference voltages to flag abnormal memory supply levels in vehicles.

Series NMOS stages divide battery voltage so multi-cell detection circuits use less area while still detecting short-circuit and overvoltage states.

A two-stage gas arrester stack with different response and arc voltages suppresses follow current while keeping surge protection levels low.

A semiconductor breaker detects combined faults and lowers output voltage first, preserving partial operation and data before shutdown.

A semiconducting test layer between jacket layers enables DC integrity checks on energized cables without disconnecting the metallic screen.

Voltage-drop detection and clock masking help digital circuits curb transient current, avoid over-design, and maintain stable supply voltage.

Load jump curve matching links sub-meters to the master meter, improving transformer area identification and line topology accuracy.

Voltage and current measurements from source and load sides isolate coupling effects to detect pole switching instants more accurately.