Ac-Dc Conversion Without Reversal TRIZ Cases

Input current control balances series capacitor voltages in an auxiliary commutated pole resonant converter without extra hardware or resistive loss.

Shorting the power-line coil below a power threshold suppresses capacitor resonance and cuts audible vibration in image forming power supplies.

Autonomous gate voltage adjustment in each parallel converter leg balances current sharing and reduces switch stress, heat, and power loss.

A series transformer stage with a transistor converter and DC-DC link cuts electrolysis current ripple and grid perturbations while lowering filter inductance.

A differential comparator aligns rectifier switching with the received RF waveform to cut power loss, delay, and load variation effects.

Adaptive frequency and duty control let one induction cooktop heat magnetic and non-magnetic pans while cutting SiC switching loss and heat.

Half-bridge modules and flying capacitors cut input current THD and cost while handling high three-phase input voltage.

A unified control circuit detects power failure and sequentially discharges interphase and main capacitors through two switching paths.

Calculated synchronous rectifier duty control improves multi-level AC/DC and DC/DC switch timing without zero-current detection circuits.

A drive circuit becomes operable within half an LC resonance cycle, turning on a semiconductor switch before startup overvoltage can damage the inverter.

A staged hybrid converter sequence manages capacitive and inductive reactive power to raise DC voltage safely in electrolyzer power supplies.

Series-connected transformer primaries and parallel secondary windings balance voltage and current for simpler, reliable DC power distribution.

Feedforward compensation using input ripple polarity suppresses overcontrol and output current ripple, enabling smaller filter circuits.

Threshold-based reverse-phase compensation stabilizes AC system voltage while avoiding capacitor voltage imbalance in MMC converters.

Orthogonal diode boards and alternating capacitor placement shrink high-voltage cascade space while preserving dielectric strength.

Independent half-bus voltage control meets load demand and overvoltage limits while reducing input current unbalance and harmonics.

High-frequency AC transmission replaces high-voltage DC, enabling thinner display power cables while maintaining stable voltage conversion.

Controlling phase differences between parallel self-commutated converters cuts electrolyzer voltage and current ripple without changing DC parallel supply.

A single-piece magnetic core with an anisotropic bus bar opening improves cooling and compactness while avoiding noise removal loss.

Sensor-driven load switching matches renewable output to connected loads, stabilizing voltage and avoiding peak demand charges.