Ac-Dc Conversion Without Reversal TRIZ Cases

A single-stage converter circuit drives semiconductor light sources using a linear regulator for precise current control.

Dynamic switching patterns in a three-phase rectifier reduce harmonic currents and DC voltage pulsation without requiring large passive components.

A resin-molded capacitor uses a heat dissipating electrically conductive member to remove thermal energy from the internal element.

A burst mode controller switches a power factor correction stage to maintain output voltage, preventing voltage drops when load reconnects.

Closed-loop vector control transforms input currents into d-q components to regulate DC voltage and reduce harmonics in aircraft power systems.

A controller operates a switch module to adjust AC voltage, eliminating diode drops and reducing device complexity.

An output-referenced reservoir capacitor eliminates input-side harmonic distortion and reduces system complexity by merging isolation with regulation.

A power converter adjusts input current to manage voltage fluctuations.

Dynamic rectifier arbitration minimizes energy loss by enabling only necessary converters during power transfer.

Voltage detection units monitor alternating current inputs to dynamically limit power delivery, reducing component costs during low voltage periods.

Electronic transformer with controller and dimming circuit maintains consistent output voltage across varying input amplitudes.

A light load mode detector compares switching voltage at the transistor connection point to nullify control signals during low current conditions.

A current clamp harvests energy from conductors to power multiple devices via a distribution unit.

A power conversion device manages AC and DC inputs via a switch unit and bypass circuit to deliver stable output voltage.

An autonomous mode transition methodology maintains high efficiency across a wide power range by dynamically adjusting converter operation.

Phase-offset windings reduce autotransformer mass by 15% while avoiding complex cooling systems required by higher nominal power ratings.

Flexible conductive strips link DC link capacitors to switching modules, enabling low-inductivity electrical paths.

Digital control circuit detects reverse current in base station power supplies and adjusts rectifier duty cycle to prevent component damage.

A hybrid rectifier circuit combines diodes and transistors to minimize switching frequency.

Digital controller switches PFC stage between current mode and voltage mode control loops to resolve resource conflicts during burst mode.

An active feedback control integrated circuit manages converter operation signals to reduce power loss in standby modes.

A hinge device integrates a power generating unit with an input shaft positioned on the reference axis to extract energy from rotational movement.

A power converter uses active switching to mimic virtual resistors for damping common mode resonance.

A switching power supply unit uses a half-bridge inverter with resonant components to enable soft switching.

A single-phase converter control method calculates common-mode modulated waves from initial bridge arm signals to balance the system neutral-point potential.

Parallel metal-oxide varistors and capacitors isolate transient protection from chassis ground, enabling full assembly before high-voltage isolation testing.

A shunt boost controller uses pulse width modulation to balance load current and reduce remanence in a current transformer.

A transformer-less delta conversion rectifier uses active power filters and inverters to provide Power Factor Correction.

A multi-level AC to DC converter uses hybrid devices with parallel current paths to generate high and low DC output voltage levels.

A control device calculates reactor current peaks using input and output voltages to enable predetermined electric current mode operation.

Dynamic dead time calculation adapts to input voltage changes, enabling zero voltage switching and reducing switching losses in buck converters.

A common mode reactor and capacitors redirect stray current to a virtual neutral line, suppressing noise from battery ripple voltage.

A power factor correction circuit uses frequency jittering to maintain inductor current phase alignment.

A controller adjusts switching frequency to maintain high power factor in switched mode converters.

A DC to DC converter replaces diodes with a controlled transistor switching circuit for AC to DC transformation.

A parallel power converting system dynamically adjusts input currents to maximize operational efficiency across varying load conditions.

A power source device uses dual charging circuits to manage current flow for efficient energy storage.

Dynamic threshold adjustment prevents frequent boosting cycles during unbalanced AC states, reducing switching losses and extending component lifespan.

Dynamic resistance adjustment suppresses ringing vibrations and maintains holding currents without passive dampers.

An input voltage detecting unit adjusts the drive control duty ratio to suppress load current variation across wide AC input voltage ranges.

Helical electrodes induce plasma rotation to transform AC voltage into DC, reducing the complexity of long-distance transmission systems.

A PFC converter control device estimates output voltage using input voltage and duty cycle to eliminate resistive dividers.

A plug power supply unit uses an electromechanical switch to automatically select the correct line voltage range based on the inserted plug type.

Delaying the turn-on timing of the switching element reduces switching losses while maintaining input current phase angle alignment with the input voltage.

A bidirectional chopper configuration isolates the neutral point to prevent short-circuiting in uninterruptible power supply systems.

DC supply circuitry converts AC power to DC voltage matching a predetermined I-V curve, enabling unused PV inputs to accept AC sources without fault states.

A conversion device filtering network incorporates resistance-capacitance circuits to suppress common-mode currents generated during PWM operation.