Power Measurement By Current/Voltage TRIZ Cases
- Filter Circuit Resistance Control for Load-Dependent Power Loss
A variable DC resistor is adjusted from load power and voltage to keep filter-circuit loss within a defined fraction and stabilize power delivery.
- Non-Contact Energy Meter Calibration for Accurate Voltage Sensing
Automatic feedback calibration corrects temperature- and position-driven voltage sensor drift for more reliable non-contact power metering.
- Electrical Rotating Machinery Cavitation Detection via Frequency Noise
Electrical signal frequency analysis detects cavitation in pumps and propellers, enabling speed adjustment to avoid gas locking and downtime.
- Electricity Meter Sample Compensation for Power Accuracy
Amplitude and phase corrections applied before power calculation improve electricity meter accuracy across polyphase measurement.
- Low-Voltage Power Detection Module for DIN Rail Energy Measurement
Detection module determines currents through conductors connected to low-voltage distribution board devices using integrated current sensors.
- Portable Power Meter Using Hall Sensors to Prevent Overvoltage
Replacing current transformers with Hall effect sensors prevents overvoltage damage during accidental disconnection of the measuring circuit.
- Voltage Configuration Selector for Power Metering
A voltage configuration selector generates wye and delta voltages using virtual grounds.
- Load Investigation Computing Device for Dimmer Compatibility
A computing device requests load driving data to determine electrical load characterization and evaluate compatibility with electronic devices.
- Relay Contact Resistance Current Sensing
A relay contact resistance measures load current via voltage delta.
- Energy Metering Chip Abnormality Detection via Notch Filtering
Notch filtering and signal correlation reduce test complexity for energy metering chips by isolating abnormality indicators without complex processing chains.