Capacitor Testing TRIZ Cases
- Power Converter Capacitor Life Estimation Under Variable Grid Stress
Periodic capacitor isolation and charge-discharge sensing estimate remaining life under unbalanced grid and load stress.
- Capacitor Lifespan Estimation Under Fluctuating Drive Currents
Models self-heating and temperature transitions to estimate capacitor lifespan more accurately under fluctuating drive currents.
- Capacitor Bank Failure Detection Using Compensated Unbalance Current
Compensated unbalance current uses existing phase current and bus voltage measurements to detect capacitor bank element failures without extra transformers.
- Decoupling Capacitor Leakage Blocking With MOSFET Ground Isolation
A MOSFET switch disconnects a damaged decoupling capacitor from ground to block leakage current, cut power loss, and limit heat.
- Single-Pin Crystal Oscillator BIST for Capacitor Calibration
Dedicated BIST circuitry calibrates capacitor matching and verifies single-pin crystal oscillator blocks without disrupting normal operation.
- Battery Lifetime Estimation Using SoC and Temperature Aging Models
Real-time SoC, temperature, current, and voltage data feed an aging model to predict battery remaining life more accurately under varying conditions.
- Energy Storage Ground Fault Detection Using Co-Phasal Harmonics
Co-phasal harmonic analysis of AC phase-to-ground and DC pole-to-ground voltages detects and helps locate midpoint ground faults.
- Energy Storage Ground Fault Detection Across the Electrical Midpoint
AC and DC co-phasal harmonic monitoring detects and localizes energy storage ground faults that conventional pole-voltage methods miss.
- Capacitor Bank Health Check Using Dual-Current Holdup Measurement
Dual constant-current discharge and a single comparator improve capacitor bank holdup-time checks by cancelling leakage-current error.
- Lithium-Ion Capacitor Deterioration Detection via SOC-OCV Resistance
Measure lithium-ion capacitor resistance during charge and discharge using SOC-OCV voltage estimates for faster, more accurate deterioration assessment.
- HVDC Capacitor Monitoring Through Dual-Domain Degradation Detection
Frequency- and time-domain signal analysis estimates capacitance and power loss for accurate online HVDC capacitor monitoring.
- Solid-State Switch Timing for Multi-Mode Capacitor Insulation Testing
Dynamic switching timing enables DC, VLF, and square-wave generation, resolving the limitation of traditional damped AC-only testing devices.