Voltage-Current Phase Angle TRIZ Cases

Current flow direction and voltage measurements pinpoint power fault location and phase without extra detection equipment.

Voltage and current comparison helps distance relays distinguish line faults from power swings, preventing mal-trips without slowing fault tripping.

Phase-angle comparison between measured and estimated line voltages speeds fault detection during power swings and reduces relay mistrip risk.

Synchronization signals and zero-crossing timing let gateway devices identify node phase accurately for maintenance and load balancing.

Tracks impedance-angle change from sampled voltage and current to detect and classify transmission faults during power swings.

Gateway-synchronized zero-crossing timing identifies node phase connections in multi-phase distribution networks for better maintenance and load balancing.

A portable synchro check relay compares voltage, phase angle, and frequency to replace failed fixed relays quickly and cut downtime.

Back-EMF phase feedback corrects rotor position sensing error in motor commutation, improving alignment and rotation efficiency.

Two DNNs separately predict bus voltage magnitudes and phase angles, then post-processing restores AC-OPF feasibility with much faster execution.

A CML gate compares square-wave transitions from quadrature sine inputs to identify I/Q order and cut UWB stabilization errors.

Square-wave conversion and logic-gate phase comparison identify I and Q signals without oscillator imbalance, improving UWB distance accuracy.

By combining phase-shifted differential signals and all multiplication paths, this circuit measures phase differences beyond the 180-degree limit.

A switching circuit routes pulse inputs to single- or multi-phase counters, avoiding wasted terminals across 1-, 2-, and 3-phase outputs.

An external low-Q oscillator injects and retunes clock energy from the AM signal to cut crystal oscillator startup time without extra power draw.

Phase current and DC bus voltage monitoring enables real-time detection of inverter, winding, diode, and capacitor faults in vehicle drive systems.

Digital Hilbert-transform phase adjustment improves gain and phase measurement, helping feedback circuits stay stable with faster response.

A metastability prevention stage stabilizes phase comparison results, reducing clock skew risk and PLL/DLL redesign effort.

Delayed clock sampling locates edge timing between variable-frequency clock domains, cutting synchronization latency and area overhead.

When control-signal low time grows too long, neighboring pulses let the controller filter uncertain edges and keep phase detection accurate.

Controlled delays and amplitude-ratio correction cut phase detector bandwidth needs while preserving accuracy in low-power use.

Multiple excitation signals and switched phase detectors enable online calibration that maintains accurate clearance sensing despite geometry and drift.

A dual-mode flop layout lets each VLSI flop be evaluated as master-slave or pulse style to avoid min-time and race issues.

A stress-matched test circuit compared with a reference circuit tracks NBTI, HCI, and PBTI aging before semiconductor failures occur.

Divided clock phases and recovered timing align data strobe signals, reducing phase mismatch in high-speed electronic units.

Variable clock frequency lets the readout adapt sensing range and resolution while cutting power from continuous conversion.

Using half- or quarter-rate recovered clocks, this case eases high-frequency clock routing while preserving phase alignment with serial data edges.

Active output balancing pre-charges cross-coupled latch nodes to the same voltage, improving high-frequency phase detection reliability.

Phase switching between master and slave Class E amplifiers enables fast RF envelope pulsing with small duty cycles and lower thermal stress.

A phase selector aligns intermediate latch timing between asynchronous clocks to prevent sampling errors and timing violations.

Equalizing latch outputs before detection helps a digital phase detector maintain accurate clock lead detection at high frequencies.

Multiple voltage thresholds and accumulated phase comparisons improve small phase-difference detection under noise and jitter.

A chopping amplifier, biased Schottky diode, and log-linear conversion extend RF pulse power measurement range, sensitivity, and accuracy.

Coincidence-controlled threshold inverters cut DLL phase-compare delay while preventing metastable errors in high-frequency DRAM circuits.

Flip-flops and signal delayers detect clock offset ranges and drive phase compensation for stable synchronization across different frequencies.

Indirect quantum sensing of magnetic and electric field phases avoids bulky protection circuits while enabling sensitive fault detection in electrical equipment.

Digital delay, multiplication, and lookup-table correction enable accurate complex impedance phase measurement on low-complexity microcontrollers.

Dynamic two-stage heater power control uses estimated energy to speed HNB preheat while keeping plant material below combustion temperature.

Predetermined data pattern filtering improves SerDes baud-rate CDR timing recovery by avoiding multiple lock phases and phase detection errors.

A zero-flux transformer with segmented amplification counters ratio and phase errors to deliver accurate current sensing across small and large ranges.

Automated phase angle correction calibrates energy meters faster while maintaining precise alignment with three-phase reference signals.

Exclusive wireless probe pairing and auto-ranging improve phase measurement accuracy while reducing cable interference and contact risk.

Phase-difference sensing detects rotor-stator contact in powder handling devices more reliably than resistance methods under powder, cleaning fluid, and noise.

Dual-frequency AC injection measures amplitude and phase changes in shunted rail segments to distinguish breaks from leakage.

Weighted phase differences across shifter settings estimate actual radar phase shifts without prior phase data, reducing errors and acquisition time.

Discrete counters lose precision on very small signal delays; derivative-based product integration enables accurate analog offset measurement.

Threshold comparisons transmit and store only changed electrical parameter sets, reducing bandwidth and storage demands.

This multimeter case combines paired wireless probes with electric-field sensing to reduce cable interference and direct-contact hazards.

A fault detection circuit smooths phase-difference signals and flags voltage deviations for safe handling of multi-phase power faults.

Multiple AC frequencies and rail shunts distinguish breaks from leakage, enabling low-maintenance track monitoring.