Ac-Dc Conversion Without Reversal TRIZ Cases

A power converting device uses a switch element to connect a discharge resistor to a smoothing capacitor only when AC voltage is absent.

Current sensors isolate the microprocessor from high voltage surges while detecting phase imbalance and distortion that voltage monitoring misses.

A switched-mode power supply uses one inductive element to generate positive and negative voltages simultaneously.

Folded circuit board merges transformer and electrical components to reduce converter volume while maintaining assembly ease.

An active choke circuit uses an amplifier to synthesize common mode impedance, replacing bulky passive components.

A light device driving system adjusts the duty cycle of phase-width modulation signals to maintain stable output voltage.

Multi-phase transformer wye topologies integrate third windings to achieve higher output voltage levels within compact electrical architectures.

A power adapter transforms output voltage to supply multiple electronic devices simultaneously.

A rectification circuit uses forward and reverse transistor branches to convert received AC power into stable DC output.

Variable resistance in a boost converter adjusts output voltage for input levels, reducing complexity and cost for electricity meters.

A power supply controller introduces a delay element to time new setpoint signals, preventing voltage drops below thresholds that cause device malfunction.

Bi-directional HEMT switches eliminate body diodes to prevent shoot-through currents while merging PFC functions into a single stage.

A control device manages logical master-slave configurations among power electronics units through dynamic reconfiguration mechanisms.

A power boost regulator adjusts load-matched voltage across engine RPM ranges using low-loss field effect transistors.

A parameter configuration method for PFC converters replaces electrolytic storage capacitors with film types to extend circuit lifespan.

A converter arrangement uses a magnetic amplifier to charge capacitance between DC poles with reduced energy losses.

A current sensing circuit disconnect device opens the primary power circuit when secondary load current drops to zero.

Tertiary sub-converters transfer energy to storage devices, preventing under-voltage and over-voltage issues without additional power sources.

A boost converter control technique shapes input current waveforms to reduce line harmonics.

A switch controller adjusts clock frequency to maintain accurate duty cycles in power supplies.

A secondary-side controller uses an active diode to manage a voltage divider circuit for synchronous rectifier sensing.

Switching control circuit coordinates parallel AC output converters to prevent backflow and ensure stable power restoration during power failure events.

Independent smoothing coils per phase reduce magnetic circuit mass while limiting common mode voltages through capacitors and leakage inductance.

A driver circuit merges constant voltage and current regulation into one device using a shared switching element.

A parallel voltage multiplier circuit reduces reverse voltage across semiconductor rectifiers to enable stable high DC output generation.

A switching power supply circuit uses two reactors with different inductances to adjust electrical parameters across varying loads.

Silicon carbide bipolar junction transistors rectify AC signals through controlled biasing states to generate stable DC output.

A voltage smoothing circuit uses a balancing resistor and Zener diode to regulate capacitor voltages.

A synchronous rectifying circuit generates pulse signals via an isolation device to control power transistors.

A timed electrical outlet uses a current sensor and counter to automatically disconnect power after a preset interval.

A voltage-controlled oscillator adjusts duty cycles to maintain constant voltage drops across integrating networks during phase transitions.

A voltage source inverter control device generates switching signals to enable current detection within the carrier cycle.

Integrated emergency backup supplies high DC voltage to LED arrays, eliminating ballast dependency and ensuring reliable egress lighting.

Duty correction compensates for buffer current distortion to reduce input current waveform deviation while minimizing harmonic components.

Segmented fine and coarse adjustment modules enable microsecond voltage switching, eliminating MOSFET linear-region heat generation.

A power management module rectifies AC signals from a triboelectric nanogenerator and converts them to stable DC voltage.

A current transformer converts AC voltage to proportional current, enabling accurate zero cross timing detection without complex high-voltage circuits.

An active circuit limits voltage across a capacitive element in a switch-mode converter.

A digital controller uses internal comparators to generate PWM signals that drive MOSFET gates based on drain-source voltage measurements.

A capacitor reduces flicker by alternating charge cycles while a current controller limits inrush current and maintains high power factor.

Replacing silicon valves with gas tubes simplifies commutation circuits, reducing device complexity while maintaining high power transmission capability.

Iterative parameter adjustment maximizes efficiency in contactless energy transmission systems despite component mismatch and air gap variations.

A converter device uses phase-deviated switching signals to reduce harmonic distortion in AC input current.

A PFC control circuit eliminates second-order ripple from feedback signals to enhance response speed.

Silicon carbide diodes in the output rectifier suppress reverse recovery current noise, eliminating filter capacitors and reducing system complexity.

A smart dimmer integrates a proximity switch and display to detect user presence and adjust lighting brightness.

Synchronizes voltage pulse edges between parallel converters to minimize common mode currents, eliminating oversized filter requirements.

A power converter control device adjusts discharge switch timing to optimize DC voltage input for motor drives.