Current/Voltage Measurement TRIZ Cases

Thermal impedance ratio correction links sense and main element temperatures to estimate power-device current accurately with less loss-data collection.

Shared clocked binary sensor signals replace multiple delta-sigma modulators and cabling, simplifying safe inverter state detection.

Auxiliary winding voltage sensing detects output short circuits in an asymmetrical half-bridge flyback converter and shuts it down before switch damage.

RC tuning with terminating resistors and added capacitance helps a connection conductor reject high-frequency EMI and preserve sensor signal accuracy.

Comparing diagnosis-terminal voltages across parallel battery modules reveals stalled MOSFET switches, reducing energy loss and improving pack stability.

Rate-of-change analysis from grid metering devices pinpoints relative fault distance, speeding outage location and service restoration.

Leakage-current detection during cable power-off intervals cuts power before dangerous fault energy builds in higher-power PoE and PFC links.

A dielectric heat sink with additively deposited power patterns improves heat dissipation, symmetry, and low-inductance switching in breaker modules.

Fourier-based reach-point voltage calculation improves transmission line fault detection when renewable-source harmonics distort current waveforms.

A control capacitor and discharge circuit reveal supply loss hidden by buffer capacitors, helping prevent unintended restart in tools and vehicles.

Uses real-time voltage and current data to approximate transmitter-receiver coupling and keep multi-receiver wireless power transfer efficient.

A non-linear current sensor and comparator detect valley ringing in bridgeless PFC circuits, cutting turn-on losses without complex control.

SOC-aware voltage balance estimation reduces SOB distortion and improves battery SOH prediction for earlier imbalance detection and mitigation.

A shared voltage divider supports both phase and line sensing, simplifying detector structure while improving abnormal circuit identification.

Comparing differential voltage-capacity peaks enables non-destructive battery EOL diagnosis and helps prevent unsafe battery reuse.

An LC resonance check tracks phase shift or gain in converter current to detect capacitor deterioration before ripple reduction degrades.

Two parallel diode chains with different junction counts enable differential temperature sensing that rejects parasitic resistance and saves active area.

Per-cycle timing exchange aligns differential protection sampling moments without Fourier processing or external time sources, cutting delay.

Compact panel modules add per-circuit switching and sensing to prioritize loads, shift demand, and protect battery-backed power without rewiring.

Neutral current ranges and phase power phasors help distinguish open phases from faulted phases in capacitor banks for faster maintenance.

By timing contactor switching to the AC zero crossing using measured delay data, this case cuts arcing, wear, surges, and noise.

Predicting EV battery SOC at arrival uses driving-time-based load and temperature correction to reduce conversion error and improve charging guidance.

Counteracting multiple drive elements reveals current, voltage, and motion deviations early, helping detect rail drive or sensor faults.

A shared diode between main and current-sense MOSFETs enables accurate chip temperature measurement without extra pads, chip area, or cost.

Electrical continuity monitoring in split ground conductors detects receptacle tongue damage early and avoids unnecessary motherboard replacement.

A transistor-stack detector uses diode-drop threshold sensing to catch voltage glitches and droops without analog or clock references.

Evaluates secondary batteries during real charging and load use by comparing measured and model voltage responses without dedicated test equipment.

Dual scores track in-plane and lamination-direction concentration unevenness to improve Li-ion high-rate degradation evaluation.

Dynamic reactive power reserve measurement helps generators and transmission lines damp oscillations during voltage changes and avoid off-grid trips.

Adjustable pole-zero compensation raises voltage source loop bandwidth while preserving phase margin for faster, more stable output response.

A smart meter flyback converter monitors resonant frequency shifts to detect external magnetic tampering without extra sensor circuitry.

An indicator finish on selected ground cable strands changes after fault current exposure, helping crews identify damaged sections and replace them safely.

Automatic battery-status reporting and location mapping help managers find low-power wireless sensors quickly without manual checks.

Early and late voltage drops under constant current enable simple, accurate lithium-sulfur battery SOC detection, even below 70%.

A low-voltage check detects load feedback before switching to high voltage, preventing shock from unconnected cables.

RMS difference values and XGBoost classification help distinguish load changes, power swings, and faults for more reliable line protection.

Pulsed optocoupler drive at AC zero crossings cuts detection loss by 90% while avoiding unwanted DC detection.

A voltage-triggered correction coefficient smooths battery SOC drop during discharge, improving charge estimation and power-use planning.

A single monitoring circuit isolates and tests two redundant power sources to avoid diode leakage errors while maintaining supply continuity.

An integrated spiral-coil connector lights on live spliced wires, enabling faster voltage checks and safer electrical installation.

Comparator-switched pull-up resistors improve motor NTC temperature linearity across ranges without added software control.

Voltage and temperature exceedance history is weighted to predict battery cell damage and trigger module disconnection before further degradation.

Voltage switching across parallel hoistway wires stabilizes elevator derailment detection despite long-wire resistance and aging.