Testing Dielectric Strength TRIZ Cases
- Arc Detection Using Pulse Count and Duration Analysis
Current sensors feed a processor that analyzes pulse count and duration fluctuations to differentiate arcing from load-switching noise in DC power systems.
- Switch Element Disconnects Filter Circuit for Dielectric Testing
A switch element disconnects a filter circuit from ground when engaged by a test connector.
- Online Insulation Monitoring for Inverter-Driven Motors
A device measures phase-to-ground voltages and leakage currents to calculate insulation equivalent capacitances.
- Insulation Fault Detection in Ungrounded DC Power Systems
Evaluation device determines insulation resistance and displacement direct voltage to assess fault severity in ungrounded power supply systems.
- Semi-Finished Battery Cell Insulation Testing via Constant Current Voltage Charging
A constant current and voltage charging sequence measures electric quantity to detect internal insulation defects in semi-finished lithium-ion battery cells.
- Conductor Assembly Insulating Spacer for Capacitive Voltage Sensor
A conductor assembly uses an insulating spacer element between the inner conductor and sensing electrode to form a stable capacitive voltage sensor.
- EMP Surge Suppression via Segmented Shunt Assemblies
Segmented shunt assemblies detect and isolate electromagnetic pulse surges to protect monitored infrastructure from nuclear weapon-induced damage.
- Inductive Power Supply for Cable Link Apparatus
Toroidal inductors harvest energy from cable screen currents to provide independent power for sensors in inaccessible environments.
- Ground Fault Detection via Inverted Flying Capacitor Voltage
A ground fault detection device uses an inverted flying capacitor topology to measure charging voltage on the secondary side of a booster circuit.
- SOI MOS Transistor Characterization via Backside Capacitance
Backside capacitance measurements extract EOT and Weff parameters, resolving unreliable flat band voltage determination on SOI substrates.
- Ground Impedance Measurement Using Dual Resistance Switching
A ground impedance measurement apparatus determines circuit resistance by comparing peak voltages across two distinct resistance values.
- Transformer Bushing Monitoring via Phase Correlation
Correlating time series data from bushing sensors connected to common high voltage phases enables precise insulation condition detection.
- Electrical Meter Hot Socket Detection via Sensor Alert
Continuous monitoring replaces scheduled inspections to prevent arcing from undetected poor connections.
- Input-Side Isolation for High-Voltage Test Systems
Moving electrical isolation to the inverter input side reduces system mass below road traffic limits while maintaining interference suppression.
- Earth Fault Detection Apparatus with Dynamic Capacitance Estimation
A control unit calculates reference values using varied charging times to estimate electrostatic capacitance in high-voltage vehicle systems.
- Wafer-Level Arc Detection via Transient Signal Segmentation
Segmenting monitoring channels and applying dynamic thresholds isolates wafer-level arcs from RF noise to prevent workpiece damage.
- Rogowski Coil Partial Corona Discharge Detection
A Rogowski coil wrapped around a circuit leg generates a signal representing current rate of change for non-invasive monitoring.
- Insulation Degradation Monitor Using Leakage Current Sensor
A penetration-type electric current sensor detects leakage flow through insulators for continuous degradation monitoring.
- Coil Diagnostic Device Using Impulse Voltage Response
A diagnostic device applies impulse voltage to a coil and detects the response voltage for electrical feature analysis.