Ac-Dc Conversion Without Reversal TRIZ Cases

An initial charging circuit charges a smoothing capacitor at start-up to prevent inrush current damage.

A switching regulator control circuit monitors coil current using a mask signal to ignore startup spikes.

MOSFET-based pseudo-Schottky diodes reduce conduction losses and cooling needs in automotive generators.

A magnetic core couples to charge storage connections, shifting energy storage location to damp electrical oscillations.

Integrated magnetic core design eliminates cover plates to reduce volume while maintaining structural integrity for high power density applications.

Active clamp circuit generates resonance waveform to reduce component requirements, enabling compact power supply design.

A primary-side controller detects AC input power loss and increases the switching frequency of a resonant DC/DC converter.

An energy storage system connected to engine generators supplies power directly to drilling loads.

Estimating source impedance to tune rectifier control loops, mitigating LCL filter resonance and harmonic distortion.

Connecting serial input voltages through an adjustable DC/DC isolation circuit reduces heat energy consumption and improves conversion efficiency.

A UPS controller selects input power phases based on load levels to optimize energy usage.

Zener diodes in a resonant auxiliary circuit prevent oxide breakdown, reducing switching losses and thermal strain.

Secondary side circuitry generates switch control signals from output voltage feedback, eliminating primary controller activity during no-load periods.

A power supply circuit uses a single switch to control discharge resistors for capacitors.

A capacitive power supply circuit uses a distributed structure of elementary units to stabilize AC input voltages.

Integrating solid-state transistors into a matrix converter eliminates external circuit breakers, reducing system complexity and manufacturing costs.

Equalizing overlap angles through adjustable inductances eliminates residual 5th and 7th harmonics without complex filtering.

Linear voltage-regulating circuit suppresses AC ripple flickering by maintaining stable LED string operation through dynamic feedback control.

Independent feedback modules detect output voltage and current to regulate power converter switching duty cycle, preventing premature protection triggers.

A series resonant LC circuit reduces harmonic currents and limits inrush flow.

A high-voltage test circuit combines alternating and direct voltage branches for unified testing.

Segmenting AC and DC detection paths resolves the conflict between response speed and measurement accuracy in power converter protection systems.

A detection circuit generates continuous current signals by sampling switching waveforms at distinct time intervals.

A switching regulator uses a current mirror to offset voltage levels, improving output accuracy without reducing conversion efficiency.

An electric power supply system distributes energy to downstream equipment through designated ports based on real-time parameters.

A boost power factor correction controller uses conductive and shutdown signal generators to manage switching states without an oscillator.

A rectifier coupled to an alternating voltage circuit generates a constant output potential independent of the floating node.

Detection circuit verifies full ground pin shielding before enabling power delivery, preventing electric arc discharge on exposed metal contacts.

A power conversion system uses a controller to dynamically adjust synchronous rectifying units based on load conditions.

A power factor correction circuit detects zero voltage edge timing to generate a synchronized reference clock signal for switch control.

Adjusting bus capacitor voltage in parallel non-isolated modules to balance power distribution.

A phase detection circuit determines connected phases using a reference node and frequency comparison.

A master-slave voltage doubling rectifier uses phase division switching to enhance DC output.

An AC-DC converter uses an autotransformer with auxiliary windings to enable dual voltage operation.

Active resonant modules switch high voltage states using capacitors and inductors to recover energy during transitions.

A DC slack bus varies voltage to accommodate power fluctuations, resolving grid stability issues caused by renewable energy variability.

A switch control circuit generates independent signals to manage conducting status of bridgeless converter elements.

A three-level converter switching branch control method manages current transfer to diodes during stop state entry.

A primary-side controller detects resonant waveform valleys and enters a valley reduction mode to adjust switching cycles.

Folding the voltage multiplier ladder at intermediate stages reduces linear length while avoiding high electrical stress concentrations in downhole tools.

A power converter voltage multiplier uses silicon carbide and gallium nitride diodes to convert AC to DC.

A power conversion device calculates a direct-current voltage margin from ripple detection to manage load operations.

Integrated discharge circuit detects AC line voltage transitions to rapidly remove stored charge from input filter capacitors.

Dynamic switch-based discharge paths reduce standby power loss while ensuring capacitor voltage drops to safe levels within one second.

A power supply device detects load voltage anomalies and adjusts output voltage to maintain stability across normal loads.

Parallel rectifier circuits feed an averaging stage that reduces harmonic distortion and increases power factor across broadband frequencies.

A power supply circuit uses a detector to identify current directions flowing through multiple terminals.

Segmented secondary windings enable galvanic isolation and power factor correction, eliminating bulky DC/DC converters.

Impedance synthesizer and PWM protect nonlinear loads from grid voltage fluctuations.

A controller switches relay voltage between contact and hold states using power supply feedback.