Ac-Dc Conversion TRIZ Cases

A switched capacitor voltage regulator uses a flying capacitor and transistor switches to transfer charge between input and output nodes.

A DC/AC converter integrates a neutral phase point within the DC/DC stage to provide a stable voltage reference.

A distributed gate controller system manages power switches via a bidirectional communication bus.

Series inductance enables continuous current flow in a direct converter, reducing capacitance requirements and space.

Periodic control error sampling suppresses submodule voltage ripple without signal filtering, reducing current harmonics and hardware complexity.

A hysteretic mode controller adjusts switching frequency in a capacitor voltage divider to maintain high conversion efficiency.

A five-level inverter topology uses a floating capacitor to output distinct voltage levels and reduce system size.

A configurable rectifier circuit processes differential input signals to generate precise output levels.

A power conversion circuit segments DC to controlled DC, enabling precise output regulation without modifying existing power conditioners.

Auxiliary instruction circuit generates proactive enable signals to activate booster circuits before voltage drops occur.

A self-powered active EMI filter uses thermoelectric modules to generate power for operational amplifiers.

A timing controller disperses switching noise by staggering converter startup phases, preventing simultaneous operation that destabilizes the DC bus voltage.

A boost inverter and controller regulate inductor current via duty cycle adjustments to stabilize electrosurgical energy delivery.

Active rectifier bridge with shunting switch enables PoDL classification communication by bypassing polarity correction blocks.

A three-phase voltage sensor detects individual phase voltages to enable precise reactive power compensation during grid disturbances.

A multiphase multistage voltage converter uses switched capacitor networks to achieve high voltage transfer gain without external components.

A bidirectional power converter uses current sensing and controller logic to manage switching times for smoother energy transfer.

A compact ultra high voltage regulator uses a non-isolated buck-boost topology to convert AC power without bulky transformers.

Dynamic series and parallel cell arrangement reduces output impedance, maintaining high efficiency under fluctuating supply voltages.

A multi-level topology circuit segments voltage across six switching elements to lower individual stress requirements.

Multiport solid-state transformer reduces isolation stages to resolve efficiency losses from multiple DC-DC conversion steps.

Inverter circuit couples DC busses and neutral node to generate AC voltage, compensating for imbalances caused by unbalanced loads.

A phase synchronization unit sets a predetermined phase offset for periodic auxiliary signals in grid-connected inverters.

A voltage regulating device recharges a bootstrap capacitor from a high side power bus, enabling 100% duty cycle operation during motor stall conditions.

A dual output DC/DC converter uses selectable electrical connections to switch between two voltage levels while maintaining high efficiency.

Synchronized bidirectional switches balance capacitor voltages while minimizing ripple currents in power converter systems under unbalanced loads.

Disabling AC voltage detection when input levels are below startup thresholds reduces recovery time and accelerates circuit initialization.

Voltage-impressing active filter compensates current harmonics by determining input fundamental amplitude and phase to set a precise grid-side filter voltage.

A solid-state circuit replaces mechanical variable transformers by switching low-frequency AC with a high-frequency carrier to produce clean output.

Amplitude pulse width modulation reduces harmonic distortion and eliminates voltage offset in solid state inverters.

A processor calculates voltage losses from dead-time intervals and adjusts control reference signals to compensate AC output.

Capacitor-based gate drive circuit eliminates bulky transformers to reduce module space and parasitic currents while maintaining reliable voltage isolation.

Variable dead-time insertion disperses current distortion, eliminating complex compensation circuits while preventing shoot-through.

A maximum power point tracking device adjusts DC/DC converter output current to match solar battery targets.

A converter apparatus uses a third switch to enable efficient power transfer through a single path.

Drive circuit detects abnormal current flow despite turn-off signals, deactivating the drive power supply to prevent thermal destruction of switching elements.

Temperature compensation maintains stable output voltage in high-voltage x-ray generators by adjusting driving signals to counteract thermal variations.

Periodic controller with time-variant gain manages current regulation, energy balancing, and converter energy simultaneously.

A low-capacity power supply circuit generates a zero-cross detection signal based on rectified current flowing in a smoothing capacitor.

Correction device measures low-frequency voltage components to calculate and inject corrective signals into the inverter output.

A solar power converter control apparatus dynamically adjusts its minimum operation criterion based on alternating-current system voltages.

Optimized pulse patterns shape converter output harmonics to exploit transformer frequency-dependent damping, eliminating heavy line filters.

Injecting a common mode frequency signal into the circulating current control loop of modular multilevel converters.

A four-wire inverter synthesizes a neutral path directly, removing the need for heavy magnetic components.

A power converter synthesizes synchronized PWM pulse trains from multiple DC sources to drive an AC motor without a separate DCDC converter.

A multi-level step-up converter circuit uses segmented transistor pairs and capacitors to reduce inductor size by a factor of N squared.

A supplementary bootstrap capacitor charged via a Zener diode maintains stable high-side driver voltage during extended ON times, reducing power consumption.