Efficient Power Electronics Conversion TRIZ Cases

A resonant converter adjusts gain using time-varying control signals to extend drive frequency ranges.

Voltage dividing modules prevent transistor breakdown by allocating high input voltage stress across multiple series-connected switches.

A switching regulator uses a minimum power pulse width generator to optimize power delivery in light load conditions.

Charge pumps activate only during transmit phases to reduce power dissipation while driving high-voltage ultrasonic transducers.

Inductive components segment active and passive rectifier paths, diverting surge currents away from MOSFETs to prevent damage while maintaining high efficiency.

Segmenting detection voltage into two reference levels resolves the trade-off between response speed and efficiency during mode transitions.

Secondary side control circuit drives rectifier switch using drain-source voltage thresholds to optimize switching states.

A power factor correction circuit shifts operational states to manage energy usage in information processing apparatuses.

Segmented converter modules with magnetic coupling resolve scalability limits while maintaining fault tolerance through adaptive reconfiguration.

A power supply device manages 200 V and 400 V inputs via an auxiliary switching circuit.

A hysteresis control step-up switching power supply regulates output voltage and inductor current using a comparator and delay circuit.

A minimum duty cycle control circuit manages active snubber switches to ensure reliable operation.

Merging transformer and choke cores reduces device volume while flux compensation lowers core losses in switched mode power converters.

A power supply device uses a common inductor and unified current driver to boost voltage for LED modules.

A current prediction unit estimates load demand using pulsed sampling signals to update delivery rates.

A DC conversion circuit uses a resonant stage to convert energy and store it in an output stage for driving loads.

Parallel external components generate a second power signal portion that bypasses the internal current source.

Three-phase inverter apparatus detects input anomalies using calculated power and current relationships to halt operations during faults.

A multi-port power supply apparatus uses a common control circuit to dynamically adjust source electric energy levels for connected ports.

Asymmetrical magnetic paths balance half-bridge emissions, eliminating common mode current violations while maintaining compact volume.

Daisy-chained PWM generators in a multi-phase DC-to-DC converter mitigate voltage droop by dynamically adjusting clock frequency based on load conditions.

A slave reference signal generator reduces switching loss by adjusting the second switch frequency based on load conditions.

A multi-mode active clamping power converter achieves zero-voltage switching across the entire load range.

A power supply control unit alternates switching frequency variation ranges to manage output voltage states.

The converter maintains biasing of the compensation loop during mode transitions to prevent degradation in output voltage regulation across varying load conditions.

Comparator monitors voltage decay to enable isolation switch connection, preventing charge sharing transients during standby mode transitions.

Base current injection maintains the bipolar transistor in saturation, reducing forward voltage drop and conduction losses.

A power supply apparatus stops voltage conversion before switching sources to achieve zero-current conditions.

An adaptive controller regulates power converter duty cycles to optimize operating efficiency across varying load conditions.

Segmented fuses in a synchronous rectifier automatically open on overcurrent, reducing power dissipation and weight penalties in spacecraft voltage regulation.

A predictive duty cycle control method generates switch signals to turn off transistors when inductor current decays to zero.

A constant on-time isolated converter relocates the controller to the secondary side for direct voltage detection.

A switch mode power supply control circuit shapes current pulses to maintain high power factor across varying AC input voltages.

A powered device circuit generates a maintain power signature signal using a bypass transistor to shunt sense current during high power modes.

A protection circuit detects AC power-down signals to immediately turn off MOS transistors in a synchronous rectifier.

A voltage converter circuit uses a current steering mechanism to manage gate drive signals during transistor switching transitions.

A driving circuit adjusts transistor capacity via a control loop to optimize switching transitions in power converters.

A control circuit installed between the secondary side and output of a power converter manages switching device operation via linear prediction and PWM logic.

A control device manages bootstrap capacitor charging to ensure reliable transistor switching in power converters.

A resonant converter selects primary winding taps to adjust the reflected output voltage for optimal operation.

A synchronous rectification control circuit adjusts drive signal amplitude to reduce conduction loss in switching power supplies.

A voltage source converter measures rectifying diode voltage to adapt semiconductor turn-on speed.

A PWM controller modulates LED current at high frequency to suppress low-frequency ripple.

A PWM controller adjusts frequency to optimize electrosurgical generator impedance for multiple tissue modalities.

A multi-port DC-AC power conversion system uses a resonant engine to manage multiple input sources and deliver isolated AC output.

A power supply uses a controller to regulate output current by adjusting the active bridge switching frequency.

A power converter circuit uses a switchable storage inductor and four power switches to achieve zero-voltage switching operation.

A multiple input single inductor multiple output regulator architecture consolidates energy harvesting sources and load switches into one stage.