Voltage/Current Isolation TRIZ Cases

Dynamic voltage clamping reduces power consumption and improves resolution in battery-powered LC sensor systems.

Active calibration tracks real-time capacitance drift, reducing measurement errors by an order of magnitude for Phasor Measurement Units.

A double-sided current conductor configuration on a printed circuit board creates a stronger magnetic field signal at the sensor location.

Analog bias decouples DC voltage from a current-controlled oscillator, eliminating complex 3D matrix calibration for accurate droop detection.

Electronic feedback loops dynamically balance coil outputs, eliminating mechanical adjustments and preserving operational continuity.

A low power Rogowski coil uses energy harvesting circuits to self-power internal electronics.

A sensor plug encases discrete capacitors in insulating resin to transform high voltage signals into safe low voltage outputs.

Cyclic switching isolates current transformers to sum secondary partial currents, reducing power loss and eliminating bulky cooling requirements.

A disconnecting device isolates current transformers from evaluation electronics, preventing overvoltage damage during testing while simplifying installation.

Minimizing the air gap in a ring concentrator reduces magnetic resistance, allowing wide-range current measurement with less ferromagnetic material.

Low input resistance measures displacement current through a capacitor, integrating the signal to eliminate interference sensitivity from lead capacitance.

A current sensor superimposes error signals onto the analog output voltage to enable fault detection without additional wiring.

A measuring device compares low-cost current transformer readings with a high-precision reference to determine a correction factor.

Counter-wound fiber sections reduce thermal signal instabilities while maintaining high detectable currents in compact optical sensors.

Conductive probe transfers floating potential to an electrostatic receiver for non-contact voltage detection.

A floating voltage measuring circuit uses identical ceramic capacitors in two branches to enable precise detection of high voltage sources.

Cast internal electrode connects to outer conductive layer within insulating body, preventing semi-conductive layer delamination and partial discharges.

A U-shaped conducting bar embedded in a solid dielectric body positions sensors around the conductor to measure current and voltage.

Varying sensor core gaps based on position reduces leakage flux interference while maintaining measurement precision.

Resonant inserts transmit temperature data wirelessly, eliminating line modifications and preventing insulator degradation.

Digital signal processor converts Sin and Cos optical intensity signals into high voltage representations, enabling transient capture beyond standard metering.

Electronic circuitry detects modulated alternating electric fields to enable bidirectional communication with computing devices.

A non-contact energy metering assembly uses a controller to adjust voltage measurements based on temperature inputs.

Composite dielectric bushings and thermistor circuits compensate for temperature-induced capacitance changes, maintaining measurement accuracy.

Segmented windings with uniform turn density minimize signal distortion from non-uniform magnetic fields to improve current measurement accuracy.

A center-tapped Rogowski coil uses a differential integrator to reject external AC interference.

Magnetic sensors positioned at varying radial distances and orientations detect current through a wire opening.

A calibration circuit adjusts phase and sensitivity of current transducer outputs using variable resistors.

A contactless measuring device combines voltage, current, and distance sensors to determine electrical quantities without physical conductor contact.

Split cores with parallel joining surfaces suppress magnetic saturation to maintain detection accuracy.

A current sensor uses pulse-width modulation to drive a high-permeability core into saturation and reset it for measurement.

A thin-walled magnetic core reduces Hall effect current sensor volume while maintaining measurement reliability.

Integrates signal conditioning electronics with a printed circuit board Rogowski coil for precise alternating current measurement.

A current transformer circuit detects DC currents using an oscillator and capacitor to measure voltage offsets.

Mechanical alignment of the coil closure eliminates compensatory electronics, resolving the trade-off between measurement accuracy and device complexity.

An offset unit shifts scaled AC signals to eliminate polarity reversals, resolving trade-offs between galvanic isolation and measurement precision.

Switched mode energy tracking circuitry uses constant-width ON-time pulses to transfer energy efficiently across varying load conditions.

A control circuit detects coil inductance changes to monitor electromechanical switch armature position.

A capacitor voltage sensor uses transformer secondary voltage to determine a calibration factor for accurate line measurements.

A remote sensor uses magnetic field induction to measure voltage without physical contact.

A winding wire surrounds a connection body to detect current changes, replacing bulky shunt resistors that increase module size.

Segmented conductors with arch portions place magnetic sensors in high-flux regions, resolving sensitivity loss from external field interference.

Resin encapsulation and segmented housing protect split core current sensors from corrosion while enabling installation around live conductors.

Segmented magnetic shielding frames with interruption gaps weaken high-current interference fields while allowing sensor detection of useful signals.

Switching a known impedance in parallel with the burden resistor exposes hidden shunt resistors that distort current transformer measurements.

Extracting characteristic points from power consumption signals reduces data transfer needs by 99.9% while maintaining accurate anomaly detection.

Segmented half-shells form a press fit to secure conductors, reducing assembly time and costs.

A verification circuit uses a controlled test current to validate DC current clamp accuracy.

Integral molding of the lid and case positions the magnetic shield relative to the conductor, eliminating assembly errors that cause measurement inaccuracies.