Conversion Without Intermediate Conversion To Dc TRIZ Cases

By converting wind power electricity to high frequency before voltage transformation, this case cuts transformer core size, weight, and cost.

Sequential grounding of conductive loops cuts isolation-transformer EMI, avoids infield calibration, and preserves standards compliance.

Dynamic phase-difference control and ripple compensation remove the DC link capacitor, shrinking single-phase EV chargers.

Closed-loop IoT tap control uses voltage sensors and a bidirectional motor to keep three-phase autotransformer output stable under load.

A single converter merges USB-C power delivery with MoCA data conversion, cutting adapter count and simplifying coax networking setup.

Inductive coupling between equipotential-node inductors and a multi-phase TLVR manages current slope to improve converter transient response.

Inductive coupling between equipotential-node inductors and a multi-phase TLVR controls current slope during surges to improve regulator transient response.

By lowering near-field receiver voltage after active operations, this case preserves communication quality while reducing smartcard wear.

By testing analog and digital control techniques in sequence, the module identifies the right LED driver response for proper load operation.

A three-winding bipolar transformer cuts bridge arms and system complexity while enabling bidirectional AC-AC conversion with scalable control.

Dynamic phase monitoring and gated capacitor control reduce under- or over-correction as motor loads change, cutting energy waste.

Phase-corrected voltage monitoring times transformer tap changes at tap zero crossings to limit short circuit current and reduce component stress.

Multiple resonant stages and precharge control help a grid-tied converter match AC waveforms, improve power factor, and cut harmonic distortion.

Parallel series windings and ganged tap changers split load current to cut arcing, contact wear, and regulator damage in substations.

Multiple secondary taps, converter coupling, and filter circuits enable fast continuous voltage regulation without costly on-load tap changers.

High-frequency GaN bidirectional switching replaces bulky neutral-forming transformers, cutting size and cost for off-grid power.

Voltage-ratio feedback adjusts excitation parameters in pumped storage generators to keep reactive power and voltage control stable.

Sequentially energizing part of the primary coil groups first limits transformer inrush current and avoids complex pre-magnetizing circuits.

A dual-LC resonant circuit raises quality factor and boost ratio to generate high voltage for capacitive loads without a transformer.

Control coils and a controller let a hybrid three-phase transformer regulate voltage, power factor, and harmonics as renewable output varies.

Threshold-range complementary switching around grid-voltage zero crossing prevents cycloconverter bridge-arm short circuits and improves converter reliability.

Dynamic PWM phase adjustment suppresses arm current harmonics after MMC cell bypass, balancing capacitor voltages and avoiding shutdown.

Sequential phase energization balances core flux during startup, cutting transformer inrush current and reducing breaker trips.

Collector-emitter voltage monitoring detects braking transistor faults and shuts off DC bus current before the braking resistor is damaged.

LED-photodiode coupling replaces magnetic cores to multiply voltage with low idle power, compact size, and no problematic magnetic fields.

Dual on-load tap changers minimize low-voltage take-off lead voltage during idle PV states, cutting losses and switching wear.

PWM-controlled series transformer switching reduces mains voltage with low energy loss, lowering appliance stress and power consumption.

A reconfigurable switched-capacitor regulator replaces bulky inductors to cut area and losses while supporting multiple voltage conversion ratios.

Automatic phase and voltage detection converts single-phase or lower-voltage input into safe three-phase 480 VAC power for portable equipment.

Series-coupled transformer windings let two converter stages share power more efficiently while improving transient response for varying loads.

A trans-inductance path between converter-stage windings improves efficiency and transient response for high-power AI and GPU loads.

Sequential relay closing with parallel resistors limits startup current in a power conversion circuit, reducing contact power, size, and reliability risk.

Sequential relay closure with parallel resistors limits startup current surges in three-phase power conversion, reducing contact power and reliability risk.

Alternating load and switch-side power extraction cuts switch power use and prevents LED ghost fire when no neutral line is available.

Tracks each cell’s ON/OFF duration to rebalance switching loads in a serial multiplex inverter, cutting power use and extending component life.

PWM switches relay coils between pull-in and hold voltages to prevent overheating, cut power use, and maintain reliable activation.

Calculating deterioration from current, carrier frequency, and frequency difference helps matrix converters flag switching heat risk before failure.

Phase-corrected voltage monitoring pinpoints tap-voltage zero crossing, cutting short-circuit current during transformer tap changes.

After a converter cell fails, bypass control retunes normal MMC cells to suppress arm-current harmonics and keep capacitor voltages balanced.

Phase-corrected voltage monitoring predicts tap zero crossings, cutting short-circuit current during transformer tap changes without bulky impedances.

Sequential grounding of conductive loops cuts transformer EMI without critical node placement, avoiding infield calibration and reducing heat.

Electronic tap switching on the tank winding adapts the transformer to varying voltage standards, reducing size and eliminating mechanical relays.

High-frequency transformer operation reduces installation space and improves electromagnetic compatibility in switchable glazing control circuits.

Integrated magnetic cores balance currents across multiple cold cathode fluorescent lamps, reducing device complexity while maintaining uniform backlight.