Ac-Dc Conversion Without Reversal TRIZ Cases

Segmenting the switching rose into blocks reduces computational complexity and execution time for Vienna rectifier control.

A resonant air core transformer power supply uses isolated circuitry for wireless control signal transfer and voltage regulation.

A light state regulation controller detects switch states directly from PWM control signals using a dedicated state detector and state machine.

A PoE power supply uses a bipolar junction transistor to detect AC impedance at the output port.

A pulse generator produces leading-edge and trailing-edge signals to control a synchronous rectifier power switch.

Independent circulating current control suppresses voltage variations in DC capacitors despite impedance inserted in the DC circuit.

A controllable clamping circuit connects the control terminal to reference ground during startup.

An adapter with a blocking rectifier and control circuit integrates alternative power sources into devices, preventing backfeeding to primary supplies.

A control circuit applies harmonic modulation to discontinuous conduction mode power factor correction converters.

A self-sustaining LED luminaire eliminates ballast costs and fixture incompatibility by merging emergency power management with standard lighting circuits.

An IV pole integrates AC to DC conversion with distribution rails and a hinged clamp for direct device connection.

A power source controlling unit switches between two converters to supply lower DC voltage to the switch when active.

Encapsulating diode rectifiers and transformers in insulating material reduces weight and manufacturing costs for compact power transmission.

Unified RV energy management system converts AC to DC power and manages electrical outputs via integrated relays.

Automatic terminal detection eliminates Hot wire identification during installation of smart three-way switches.

A chopper power converter chops DC voltage into square waves and applies PWM control to correct output differences.

A power supply apparatus adjusts oscillator frequency and timing via secondary side voltage comparison to extend burst periods.

A transformer rectifier uses controlled switching of semiconductor elements to manage magnetic flux and reduce turn-on transients.

A constant-current LED module uses a rectifier and capacitor to stabilize electrical flow.

Dynamic capacitor charging reduces boost chopper power capacity requirements by allowing virtual DC link voltage to exceed 1/√2 times the input AC crest value.

A resonant wireless power receiver measures rectified voltage to assess instantaneous available power.

An auxiliary branch with a resistor limits inrush currents, enabling standard component sizing and higher operating frequencies without large surge arresters.

A discharging circuit with a junction transistor lowers residual charge voltage to prevent electric shock risks in AC-DC converters.

Advanced control IC drives a single power switch using hysteretic average current mode logic for stable output current regulation.

Galvanic isolation transmits high-frequency AC voltage to secondary-side control electronics via capacitive coupling.

Bridge circuit control unit synchronizes switching with AC zero crossings, reducing losses while maintaining power factor.

An integrated device merges diodes and MOS transistors to perform AC to DC conversion within a single substrate.

A four-quadrant switch and bidirectional devices regulate DC output voltage across a wide range, resolving input current distortion in power factor correction.

Positioning a transformer at the inverter input reduces component weight and fuel usage by lowering voltage prior to frequency conversion.

Capacitive resonant power converters eliminate bulky magnetic transformers to achieve order-of-magnitude higher power density and efficiency.

A PWM boost system uses a current limit circuit and enabled comparator during pre-oscillation to regulate inductor current.

An impedance changer varies its resistance inversely with direct current voltage to protect rectifying elements from excessive reverse stress.

A nested winding arrangement on a cylindrical support reduces converter volume while managing voltage unbalance and harmonics.

A two-wire thyristor dimmer adjusts high-efficiency light intensity without neutral connections.

A power supply control unit manages a switchable power factor correction circuit to optimize load power delivery during state transitions.

A power supply system uses a battery module to maintain stable voltage when converter sections deactivate during light-load conditions.

A hot swap controller manages load charging through two distinct current paths to prevent in-rush current surges during system connection.

A power factor improving circuit blocks the input voltage DC component to generate a precise dimming signal for offline converters.

A light driver controller calculates power values using lookup tables based on detected voltage and current signals.

Embedding rectifiers in a cavity near the input port dissipates heat through the port, resolving size constraints without adding fans.

A bi-directional power regulator circuit manages energy flow through switching elements to stabilize output voltage levels.

Isolated transformer windings separate parallel converter threads to eliminate circulating common mode currents in wind turbine power systems.

An intermediary RC filtering network extracts ripple reduction from the main conversion path, eliminating flickering without increasing device complexity.

A power supply device uses a soft switch to distribute voltage and maintain an enable signal for the DC/DC converter.

A rectifier circuit arrangement uses cascade MOSFETs to bypass body diodes during forward conduction.

A voltage monitoring circuit limits output voltage to a safe threshold using switching elements, preventing damage from high-voltage conditions.

A rectifier IC integrates transistors and a controller chip within a single package to manage secondary-side switching.

Segmenting the converter into parallel paths allows amplitude modulation to cancel low-frequency emissions, eliminating bulky filters.

Segmenting rectification paths and adding an intermediary filter reduces common-mode currents and partial discharges in wide-speed alternators.