Testing Dielectric Strength TRIZ Cases
- Water-Tree Resistance Evaluation Using Molded Electrode Holes
A water-tree resistance evaluation method uses a mold to form consistent electrode holes in insulation test pieces.
- Conductive Polymer Sensing Element for Structural Distortion Monitoring
Incorporates an electrically-conductive polymer sensing element into a component to monitor physical distortions via electrical property changes.
- Cable Shield Fault Detection Using Threshold and Slope Detectors
Threshold and slope detectors distinguish normal operation from shield faults, reducing false disconnections during load transients.
- Zero-phase-sequence Current Transformer Malfunction Detection
A zero-phase-sequence current transformer detects malfunctions using a constant DC offset current wire for continuous monitoring.
- Dual-Purpose Inductive Coil Arc Detection in Electric Meters
An electric meter uses a motor inductive coil for arc detection and current measurement.
- Arc Flash Hazard Assessment for 400-Hz Aircraft Power Systems
Standard IEEE 1584 methods fail at 400 Hz. This method modifies calculation models for high-frequency arcs to accurately assess hazard risks and ensure worker safety.
- Insulation Resistance Detection Using Digital Signal Processing
A coupling capacitor and signal extraction unit output an alternating-current inspection signal for high-voltage circuit monitoring.
- Hurst Exponent DC Arc Fault Detection in Vehicle HV Systems
A processor calculates the Hurst exponent from filtered current data to identify DC arcs in high voltage vehicle electrical systems.
- Arc Fault Detector Using Inductive Search Coil
Inductive search coil detects arc faults via electromagnetic induction, eliminating bulky current transformers and isolation issues.
- Capacitive Input Device Transmitter Path Error Diagnosis
A processing system diagnoses transmitter path errors using a selectable leakage path to measure discharge rates for capacitive sensing.
- Transformer Fault Diagnosis via Dissolved Gas Ratios
A diagnostic method analyzes dissolved gas composition ratios in transformer oil to classify internal faults.
- RF Bias Arc Detection via Noise Subtraction
An RF bias arc detection system uses a comparator circuit to identify wafer-level arcing events.
- Cybersecure Optical Surge Protection for EMP Resilience
Optical surge protection limits electromagnetic pulse voltages while providing real-time status reporting to resolve response time reliability trade-offs.
- Wireless Current Sensors for Non-Invasive Transformer Temperature Monitoring
Wireless current sensors detect conductor data to determine internal transformer temperatures without power disruption.
- Transformer Remaining Life Estimation via Dissolved Gas Analysis
Online dissolved gas analysis estimates degree of polymerization from carbon monoxide and dioxide levels, avoiding time-consuming laboratory testing.
- Shield Continuity Testing via Common Mode Insertion Loss
A shield continuity testing device transmits common mode signals over cable conductors to measure insertion loss across a frequency range.