Efficient Power Electronics Conversion TRIZ Cases

A segmented AC-AC converter topology uses independent rectifier and inverter half-bridges to regulate voltage through periodic switching cycles.

Phase shift control maintains fixed frequency to eliminate magnetic losses and current discontinuities across varying loads.

A multi-mode power supply circuit switches between a switching regulator and a pass-through mode to minimize current consumption.

Three-phase startup mode reduces hard commutation voltage spikes on MOSFETs by transitioning to soft switching in steady-state operation.

Segmented copper pads optimize thermal dissipation while minimizing electromagnetic interference noise in high voltage converters.

A diode clamp mixed three-level dual active full-bridge converter adjusts duty ratios and phase shifts to lower RMS current values.

An active clamping circuit captures voltage spikes using a synchronous buck converter to recycle energy.

A zener diode snubber circuit absorbs voltage spikes in switching power supplies.

Dual threshold comparators detect drain voltage changes before current reversal, securing backflow margin and reducing conduction losses.

Series disconnecting switch units with parallel diodes isolate fault currents in modular multilevel converter systems.

Selective silicone gel application on FR-1 circuit boards prevents humidity-induced insulation failure and overvoltage damage.

Series rectifier circuit configures power receiving resonance mechanism to stabilize voltage gain, reducing size and heat dissipation for multiple devices.

A regulator circuit resets oscillator ramp and clock signals upon detecting output voltage sag.

A power conversion device coordinates snubber capacitors and semiconductor switching elements to enable zero-voltage switching.

A flyback converter circuit integrates power factor correction with LED driving functions into a single stage.

Series-connected primary windings in multi-transformer LLC converters enable magnetic-flux cancellation, reducing core losses and transformer volume.

Resonant tank circuits cancel switching ripples at the source, eliminating bulky passive filters and extending system lifespan.

A resonance-based single inductor DC-DC converter uses output-switch-driven operation to manage inductor current through distinct phases.

A switched-capacitor power converter transfers charge through transmission gates to convert voltage levels.

A DC/DC converter adjusts rectangular wave duty ratio to maintain voltage gain during light-load conditions.

A bi-directional switch and inductor store energy to discharge stable power to airfield LED light sources.

Bidirectional freewheeling current eliminates flicker interference and color shifts during low-brightness LED dimming operations.

Switching circuits regulate LLC resonant converter input voltages, preventing excessive component ratings caused by parallel module imbalance.

A multi-level power converter uses a second feedback circuit to generate temporary control signals for switching elements.

A switching regulator timer circuit switches comparator operation current to a low consumption mode during light load conditions.

A current mode synchronous rectification DC/DC converter incorporates a soft start function unit and an output stabilization function unit.

A comparator controller adjusts auxiliary switch timing using negative magnetizing current detection to achieve zero-voltage switching.

A power conversion arrangement dynamically adjusts switching converter output voltage based on load current to enhance efficiency.

A voltage converting controller adjusts high-side switch periods to maintain stable output voltages.

An adaptive feedback control system modifies signals to maintain stable voltage output across varying operating conditions.

A bias signal modulates zero diode current to generate a trigger signal for switching operation.

A boost inductor voltage detection signal converts into an accurate current waveform for loop protection.

Voltage reducing circuit controller switches between PWM and burst modes based on output voltage falltime duration.

Active clamp circuitry enables zero-voltage switching in transformer-coupled buck-boost converters.

A reverse current stopping circuit detects inductor current direction to adjust comparator offset voltage.

An adaptive circuit monitors switching frequency and adjusts input parameters to prevent alignment with nearby subsystems.

A transformer conveys multi-bit state information through its secondary winding to the primary circuit for precise energy control.

A self-oscillating feedback loop controls switching frequency using a fixed inductor and adjustable bias voltage.

Auxiliary bi-directional switch circulates reactive current to reduce voltage spikes caused by line inductance during PWM switching transitions.

A switching power supply employs a dual regulator system with an auxiliary unit to prevent intermittent chopping during transient conditions.

Dual voltage and current loop control method for solid state transformers adjusts module references to minimize high voltage side DC bus capacitor unbalance.

Open-loop buck converter drives LED modules via power factor correction circuit.

A power supply controller adjusts switch ON time using detected valley voltage to align input current with AC line voltage.

Asymmetric winding arrangement cancels magnetic flux variations to reduce current ripples while maintaining compact volume.

A control unit determines switch-on time for a power factor correction circuit to manage inductor charging cycles.

Auxiliary windings form a compensation circuit that suppresses common mode noise near resonant frequencies, reducing filter volume and cost.

A control circuit adjusts output current via a selection circuit switching between disconnection, shorting, and resistor connection states.

A high frequency power supply generates AC power at the leakage inductance resonant frequency detected through a frequency sweeping period.

A power converter apparatus segments a transformer primary winding into multiple circuit portions with distinct inductances to adjust switching frequency.

A switching regulator injects a synchronized pulse current into the feedback node to generate artificial ripple voltage.