Current/Voltage Measurement TRIZ Cases
- Safety Relay Switch Status Monitoring Circuit
Voltage sensors detect switch status across series-connected safety relay contacts, eliminating manual inspection and auxiliary wiring costs.
- Battery Rack Voltage Sensor Calibration via Relay Segmentation
A rack control unit activates relay switches to isolate individual battery racks for precise voltage sensor calibration.
- Current Detection Circuit for Wide Voltage USB-PD Interfaces
A current detection circuit uses signal amplification and feedback branches to generate stable output voltages.
- Energy Storage Supplement for Mobile Platform Peak Power
A capacitor-based energy storage unit supplements battery output to prevent voltage droops below minimum thresholds during peak CPU loads.
- Current Transformer Docking Module for Overvoltage Protection
A docking module integrates a semiconductor switch to protect current transformers from secondary overvoltages.
- Battery Monitoring System Using Time Delay Circuits
Time delay circuits encode cell voltages as time intervals to eliminate common mode voltage interference and parasitic current draw.
- Variable Differential Transformer Fault Detection via Zero-Crossing Thresholds
A signal processor detects faults in variable differential transformer sensors by comparing excitation and output zero-crossings against a defined threshold.
- Power Supply Monitoring Circuitry for Early Degradation Detection
A power supply monitoring circuitry compares contact voltages with reference signals to detect deviations.
- Power Grid Feeder Monitoring with Switchable Semiconductor Protection
A monitoring device compares individual current measurements against threshold values to control a switching element in a power network branch.
- Load Short-Circuit Detection via PWM Voltage Monitoring
A voltage detection circuit monitors current flow path potential during PWM switching to identify load short-circuits.
- Electric Leakage Sensing Apparatus With Booster Circuit
A leakage sensing apparatus uses a booster circuit to increase voltage applied to a coupling capacitor for improved detection.
- Current Sensor Thermal Compensation Using Batch Characterization Data
A current sensor calculates thermal compensation using pre-measured batch characterization data stored in an electronic control unit.
- Capacitive Voltage Indicator for Power Cord Detection
A housing with conductive foam pads capacitively couples to a power cord to drive a high-impedance display.
- Flying Capacitor Battery Monitoring System for Voltage Difference Detection
A flying capacitor battery monitoring system charges two capacitors with adjacent unit cells and connects them in reverse-polarity series to supply the voltage difference.
- High Voltage Power Supply Apparatus Self-Monitoring Circuit
A high voltage power supply apparatus uses a detector to sense internal voltages and output operational state information.
- Smart Power Supply Optimizing Output Voltage for Minimum Input Power
A smart power supply system dynamically adjusts output voltage to match the application range of connected electronic products.
- Transistor Bridge Short-Circuit Detection via Preliminary Test Current
Preliminary test currents enable early fault detection in transistor bridges, preventing damage from current spikes during normal operation.
- Voltage Monitoring Test Circuit Switching Control
A voltage monitoring test circuit controls switching signals to prevent overlapping enable periods and utilizes a sink pulse generation unit.
- Intelligent Power Strip with Admittance Calibration for Theft Prevention
Calibrating alarm thresholds via electrical characteristics reduces false alarms while maintaining customer interaction.