Testing Dielectric Strength TRIZ Cases
- Capacitance Sensing Circuit Using Pull-Up Currents for Fast Measurement
Timed pull-up currents shorten capacitance measurement while improving accuracy, noise suppression, and power use for touch-scale sensing.
- Zero-Crossing Synchronization for Partial Discharge Monitoring
Local zero-crossing time stamps synchronize distributed grid monitors without GPS, improving partial discharge location accuracy.
- Electrical Bushing Monitoring with High-Frequency Signal Separation
A high-frequency instrument transformer separates bushing output signals for dissipation-factor and partial-discharge monitoring without added HV hardware.
- HVDC Cable Insulation Space Charge Measurement Using Cut Specimens
Cut cable specimens enable faster HVDC insulation space charge measurement while reducing noise and locating charge density by signal delay.
- Shielded Insulation Detection Circuit for Power-Frequency Monitoring
A split shielding layer and differential bridge circuit suppress high-frequency leakage noise to capture power-frequency insulation signals.
- Impulse Voltage Testing With Active Damped Oscillation Termination
Active oscillation cutoff and gate-capacitance discharge speed impulse voltage testing while preserving waveform measurement accuracy.
- DC Arc Detection Using Voltage Frequency Analysis Across Branch Lines
Voltage frequency analysis on one DC branch detects arc faults across multiple lines, even when disconnected loads leave no current.
- Inverter Arc Detection Using Sampled Signal Saturation State
Sampled signal saturation can distort inverter arc analysis; this case uses saturation-state detection and desaturation to preserve accuracy.
- Linac Reflected RF Monitoring for Automatic Arc Detection
Reflected RF amplitude and phase monitoring lets a linac detect arcing automatically without extra test equipment or manual oscilloscope checks.
- Ultra-High Voltage Vacuum Insulation Test Platform for Safety Margins
A vacuum test platform varies pressure, voltage, gas, and temperature to define safer ultra-high voltage insulation margins without oversizing equipment.
- Arc Fault Detection Using Zero-Crossing Peak Analysis
Zero-crossing timing and high-frequency peak analysis help distinguish low-current arcs from normal noise and reduce false trips.
- Sealed Transformer Contactor Monitoring via Indirect Current Detection
Indirect current sensing traces safety contactor switching in sealed liquid-dielectric transformers without extra instrumentation or shutdown risk.
- Switchgear Partial Discharge Monitoring With HFCT and ML
HFCT sensing and ML classify switchgear partial discharge in real time, helping predict insulation faults without taking equipment offline.
- Electrical Distribution Insulation Monitoring Using Sequence Currents
In-line current and voltage sensing tracks leakage and sequence-component changes to detect insulation faults without shutdown.