Current/Voltage Measurement TRIZ Cases

A power control circuit adjusts heater current to maintain a predetermined power level using analogue components.

A single-pole voltage tester uses an integrator device to detect electrical signals via capacitive coupling.

A wiring testing device monitors grid-side conductor voltages to verify inverter connections.

Through holes in the tubular shield allow dielectric resin to penetrate and impregnate the sensor, preventing air bubbles that cause partial discharges.

A terahertz electromagnetic pulse scans ceramic matrix composites to detect structural anomalies through impedance and refraction index variations.

Segmented latch mechanisms resolve trade-offs between simple structure and robust connection, enhancing probe manageability.

A sensing unit converts applied voltage to digital values to adjust driving current and compensate for organic light emitting diode degradation.

Segmented Reed switches with adjustable shielding detect high-energy surge pulses up to 250 kA while maintaining precision for lower current levels.

A partial discharge detector unit extracts energy from measurement signals to operate autonomously without auxiliary power sources.

A single testing mode selection point modifies all logical nodes in intelligent electronic devices simultaneously.

Composite signals derived from symmetrical components identify electric power delivery faults, resolving accuracy issues under high-resistance conditions.

Nested conductive screens measure voltage deviations to detect insulation breakdowns and prevent arc faults in aircraft power distribution systems.

A battery management device uses a current source to energize voltage detection lines and charge capacitors for immediate cell voltage measurement.

Temperature-dependent resistance measurements enable accurate current calculation, resolving misdiagnosis caused by voltage and thermal variations.

First wires on transient leads group adjacent touch pins for simultaneous testing, resolving alignment difficulties and improving measurement precision.

An intelligent electronic device integrates monitoring, protection, and control functions for multiple power system primary objects.

Estimating pixel circuit degradation via electrical characteristics corrects luminance non-uniformity without external light detectors.

A closed-loop feedback control unit stabilizes the light source in an optical voltage transformer, eliminating power fluctuations caused by temperature changes.

A method divides reference timing signals into bins with fuzzy boundaries to identify devices transitioning to maximum current states.

An eighth-order filter estimates receiver current from processed audio signals, avoiding series resistors that reduce maximum power output.

Microprocessor analysis of voltage and current waveforms identifies recloser terminals, resolving manual testing complexity.

A measurement circuit applies a unipolar test current to determine live-earth loop resistance using frequency-selective voltage detection.

Replacing analog trim pots, the system applies memory-stored correction factors to linearize open-loop Hall outputs and compensate for temperature drift.

A two-stage machine learning filter identifies and corrects bad data in electric power system measurements using KNN and denoising autoencoders.

Parallel inspection of multiple secondary battery cell pouches resolves the trade-off between measurement precision and productivity.

A portable holiday detection device uses smart signal processing to continuously monitor current and voltage signals for accurate defect identification.

Periodic current sampling determines fault direction in bi-directional power systems while reducing sensor power consumption.

An information providing device generates use place data from transportable power supply location signals.

A current measuring device uses a flux concentrator to direct magnetic fields toward sensors.

A sensor system detects energy reservoir parameters and uses voltage adaptation means to modify electrical system voltage for connection verification.

A sampling circuit uses a voltage divider and switch network to route reference voltages to a comparator for analog-to-digital conversion.

Heat circuit protector detects thermal rise in PoE cables to interrupt power delivery, preventing insulation melting and fire hazards.