Efficient Power Electronics Conversion TRIZ Cases

A controller adjusts LLC converter switching frequency during predefined burst on-time to manage standby power.

A totem-pole bridgeless power factor corrector uses an OR gate to combine PWM signals for duty cycle updates.

A rectifier bridge circuit calculates precise switch-on and switch-off times using characteristic diagrams based on generator operating parameters.

Arranging conductors parallel to each other suppresses surge voltage while maintaining compact mounting area and insulation.

Segmented notch filters selectively attenuate harmonic electromagnetic interference from active rectifiers, reducing propagation to aircraft power sources.

Decoupling detection member power from antenna resonance allows smaller antenna size without exceeding rated voltage limits.

A power supply with lightning protection uses a surge current bypass apparatus to redirect energy away from sensitive components.

A frequency to on-time converter adjusts power switch duration based on switching frequency.

A capacitor discharging circuit transfers stored energy to an internal component via a switching device when AC power disconnects.

A control unit calculates reactive current magnitude to determine phase delay for switching elements in bidirectional AC/DC converters.

A resonant converter uses a timing component to generate dynamic switching signals based on load measurements.

Bus bars dissipate heat from synchronous rectifiers while filtering ripple current to reduce parasitic inductance and conduction losses.

A SIMO DC-DC converter controller dynamically selects between continuous and discontinuous conduction modes to manage inductor current waveforms.

A dual-loop control circuit manages buck power factor correction stages using independent fast and slow loops.

Modulating switching frequency via phase shifted rectified waveform spreads EMI noise spectrum and reduces average noise energy by 6 dB.

A current controller calculates switch off time at each clock cycle to regulate LED load current.

A bridgeless PFC rectifier cancels bus ripple via compensating voltage, reducing energy loss.

Adjusts switching frequency in burst cycles to minimize audible noise generation when the converter operates within the 1 kHz to 4 kHz range.

A power conversion device uses a switching-mode changer to adjust reference signal phase for synchronous arm operation.

A power supply apparatus uses a remote transducer to trigger a switch via a DC blocking capacitor, eliminating standby energy consumption from microcontrollers.

An LLC resonant converter detects load changes via primary-side measurements to control output voltage without secondary isolation.

A power controller stabilizes display voltage using a diode to block spikes beyond switch breakdown, protecting circuits from short-circuits.

A step-down voltage converter uses inductance filtering and PWM control to generate stable sine AC output without electrolytic capacitors.

A DC-DC converter uses a resonant LLC circuit to transfer power efficiently between ports.

Four half-bridge legs reconfigure for single-phase or three-phase input, resolving the trade-off between versatility and device complexity.

A step-up DC/DC converter uses N-channel transistors with bootstrap voltage pulsation to maintain synchronous rectification.

A PWM skip control circuit stops and resumes a PWM control circuit based on output current and voltage thresholds.

A regenerative clamping circuit recycles excess switching energy back to the power supply input using a storage capacitor and active converter.

A switching power converter adjusts the power switch to maintain a proportional relationship between input voltage and average current.

An isolated flyback converter regulates secondary current via primary-side voltage detection and snubber circuits.

A multi-phase power factor correction system manages switch OFF periods using a dedicated blanking timer and control module.

Periodic switching synchronizes with AC waveforms to correct power factor while maintaining constant LED current.

Direct coupling of the input rectifier to a switching resonant stage eliminates bulky high voltage DC capacitors and pre-regulator stages.

A bridgeless power factor correction converter uses six switches and two inductors to manage energy storage during AC voltage cycles.

Secondary side switching devices control output amplitude to eliminate circulating currents and reduce power losses in the inverter circuit.

Separating buck and boost phases reduces resistive losses and quiescent power consumption in wearable electronics.

A multi mode modulator system with dynamic frequency and slew rate boosters.

A switching element control device monitors collector-emitter voltage to manage gate signals for reverse conducting IGBTs.

A power delivery device deactivates its power factor correction circuit when output voltage falls below a predetermined level.

Graded doping profiles and a spiral resistor manage electric fields to prevent device breakdown in DC-to-DC converters.

A controller manages multiphase DC-DC converter switches to prevent body diode conduction in coupled inductors.

Adaptive dead time control prevents cross-conduction in voltage regulator switching circuitry.

A bias system provides startup voltage while discharging residual charges from differential capacitors.

An auxiliary inductor charges to oppose main current, enabling zero-current switching that reduces switching losses and improves energy transfer efficiency.

A matrix converter control unit executes voltage increase and phase follow-up actions to manage mode transitions.

A power supply control device optimizes current phase to enhance output transmission efficiency in matrix converters.

A current sense circuit detects input voltage fluctuations on the primary side of a resonant transformer to regulate output current.

A PWM controlled resonant converter charges an LC tank to enable zero-voltage switching across wide input voltage ranges.