Impedence Measurements TRIZ Cases
- Battery Isolation Resistance Estimation via Voltage Step Response
A computer system estimates steady state voltage using a fitted step response model to determine isolation resistance quickly.
- Cloud-Edge Resistivity Sensing Network for Urban Underground Monitoring
Segmented control consoles reduce network congestion in urban underground monitoring while enabling intelligent risk prediction.
- Ground Resistance Detection Circuit for Power Systems
Controller determines ground resistance using DC reference and output voltages, eliminating live-wire isolation hazards during measurement.
- Smart Meter Grid Impedance Detection via Thevenin Calculation
A smart meter measures RMS voltage and current at two time points to calculate equivalent grid impedance using a computing device.
- Monitor Structures for Impedance Measurement in Scribe Lines
Dedicated scribe line monitor structures separate device impedance from parasitic resistance, improving measurement precision on semiconductor wafers.
- Calibration Arrangement for Deriving Low Resistance Accuracy
A calibration arrangement series connects resistors to derive resistance values via voltage measurements.
- Non-Invasive Electrical Network Impedance Determination
A system calculates electrical network impedance using voltage and current measurements from monitoring units.
- Low-Frequency Common-Mode Voltage for Earth Fault Detection
A power converter produces a defined low-frequency common-mode voltage to isolate fault currents from normal leakage signals.
- Insulation Resistance Monitoring in Ungrounded Power Systems
Synchronizing measurement frequency with the mains and applying discrete Fourier transformation suppresses interference from capacitive leakage currents.