Ac-Dc Conversion TRIZ Cases

A DAC-controlled high voltage generator extends its regulation range below the band gap voltage.

Shared magnetic core sections reduce iron losses and cost by distributing flux density across multiple phases.

A subsea power supply device uses distributed energy accumulators in a load-side converter to eliminate DC voltage intermediate circuits.

Cross-coupled inverter stages control pMOS transistors via node voltages, eliminating level shifters and smoothing capacitors to reduce die area.

Multilevel buck converter controller modulates inductor current to balance flying capacitor voltage, resolving efficiency drops near half input voltage.

A Delta-Wye DC-DC boost converter transforms low voltage input to high voltage output using interleaved full-bridge topology.

Electronic pulse width modulation replaces mechanical linkages to automate blade tilt, reducing system complexity and cost.

A selective current controller uses resonant controls to suppress cross-current components at specific harmonic frequencies.

Hybrid-current-mode switching-cycle control manages modular multilevel converter arms using peak and average current modes.

A hybrid buck-boost converter uses a shared inductor and flying capacitor to perform multi-level DC-DC voltage conversion.

A modular control system segments master and slave devices into a ring topology to enable wireless communication across power electronic converters.

Programmable logic components exchange status messages via bidirectional links to minimize dead time between switches, enhancing conversion efficiency.

Dynamic switching applies higher voltage during startup to accelerate charging while preventing component damage.

A hybrid converter topology combines charge pumps and switched mode boost converters to generate multiple DC output voltages.

Segmented detection logic isolates individual faults in half-bridge drivers, preventing complete system shutdowns and reducing restart energy losses.

A single voltage generation circuit supplies negative gate voltage to lower-arm switches through a shared electrical path.

A dynamic voltage pump circuit adjusts active stages to optimize power delivery.

A 3-level inverter uses a middle branch with a bidirectional switch to reduce voltage stress on components.

Segmenting devices into clamping and bipolar PWM modes mitigates zero-crossover distortion during synchronization.

A DC/DC converter charge pump uses mixed semiconductor materials to enhance voltage boost and drop characteristics.

A control circuit manages intermediate circuit voltage in multi-phase motors using dynamic drive modes.

Compensation circuits correct inverter outputs based on sensor data to stabilize voltages across phases despite cable impedance variations.

A shared common mode choke connects parallel rectifier and inverter units, reducing system weight and cost by eliminating heavy transformers.

Capacitive filtering removes harmonic interference while maintaining CMOS compatibility and low power consumption.

A charge pump converter adjusts charging currents using voltage feedback to manage power delivery.

Sequential enable signals progressively activate slave pumps, reducing ripple noise while maintaining current handling capability.

A UPS bypass switch uses transistors to control current flow between AC sources and loads.

Segmented converter design reduces ripple current in output capacitors, extending lifespan and enabling smaller non-electrolytic components.

A power converter maintains a bidirectionally conductive common arm during control mode transitions to ensure continuous current flow through the inductance component.

A weighted timing approach across variable RLC resonant frequencies evaluates anti-island protection accuracy beyond single-interval current tests.

Hold-up circuits convert PWM signals to DC power, eliminating wiring complexity and reducing power dissipation in electrochromic mirrors.

Charge pump circuits balance current across multiple voltage tiers to reduce power consumption while containing system noise.

Enable application monitors disable pin logic state transitions within a watchdog integrated circuit to detect internal software malfunctions.

A back-gate inverter applies input voltage to transistor back-gates using a bias circuit.

A single-stage soft-switching AC-DC converter topology eliminates the intermediate DC link and reduces switching losses.

Dual feedback loops adjust operating voltage to track the maximum power point, resolving nonlinear I-V curve inefficiencies in solar panels.

Multi-frequency uniformization carrier wave slope random distribution pulse width modulation method disperses harmonic peaks across a wider frequency domain.

A power conversion apparatus uses a single current sensor to measure resultant current flowing through the inverter and filter nodes.

A telescopic arm multilevel converter topology segments high-voltage conversion into modular units.

A switch control system adjusts feedback signals based on common mode dwell time to minimize differences in pulse width modulation periods.

A control device shifts inverter setpoint frequency to measure no-load current for capacitor health assessment.

Segmented switching stages reduce switch voltage stress while increasing power density through periodic energy transfer via intermediate capacitors.

LLC resonant converter manages AC to battery power transitions, eliminating extra load stress and short conditions during source switching.

A phase balancer uses a direct current transformer to move energy between power conversion circuits.

A snubber circuit with a second bidirectional switch controls current flow in a switching power supply apparatus.

A capture register in the master time base circuit preserves counter values for multiphase PWM generators.

A circuit arrangement decouples battery and capacitor sources, preventing circulating currents that reduce system efficiency.

Hybrid aircraft power system converts variable AC to DC using a universal converter and active distribution network.

Shifted clock patterns enable double scanning with a single shunt, resolving ripple offset tracking errors across the entire motor angular range.