Apparatus With Intermediate Ac Conversion TRIZ Cases

A controller board sequences positive and negative DC voltage to stainless steel plates via MOSFET drive outputs.

A bidirectional low voltage power supply uses a single pulse width modulator to switch between power delivery and recycling converters.

A multi-output power supply controller limits switching duty ranges to maintain balanced output voltages.

Switch controller detects output voltage and current to manage burst mode operations, eliminating extra circuitry needed for frequency threshold adjustment.

Capacitor integration determines control signal timing to maintain accurate phase shifts despite switching cycle variations in power factor correction.

Segmenting high-power output into parallel modules reduces leakage inductance and transformer size while centralized control lowers manufacturing complexity.

An asymmetrical bridge converter prevents transformer saturation and energy losses by controlling switch duty cycles to maintain independent module operation.

A synchronous timing pulse generation circuit adjusts the pulse starting time of a PWM signal to control power input in switching power supplies.

Snubber circuit recycles leakage inductance energy to power gate drivers, reducing power losses and heat dissipation in switch-mode power supplies.

A switching power converter controller reduces electromagnetic interference by implementing frequency hopping across multiple pulse width modulation modes.

Frequency division suppresses interference between multiple piezoelectric transformers, preserving output precision for compact image forming apparatuses.

Dynamic phase adjustment of parallel converter circuits reduces high-frequency electrical noise and radio interference.

Parallel inverter circuits coupled to full-bridge rectifiers via H-bridge topology reduce circulating currents and conduction losses.

A configurable voltage regulator circuit uses a coupling inductor to transfer power between phases for adjustable output voltages.

Segmented converter stages using MOSFETs and IGBTs reduce switching losses across varying output currents.

A synchronization circuit modulates reference signals onto a carrier current to coordinate switching operations across series-connected converter modules.

Master power supply terminal connects directly to slave units, eliminating redundant wiring and reducing installation complexity.

Replacing ordinary capacitors with piezoelectric elements reduces leakage current and eliminates fire hazards while increasing output power.

A switching controller monitors feedback voltage and duty ratio to trigger immediate main switch shutdown.

A bidirectional insulated DC/DC converter employs single-phase 3-level inverters to generate controlled AC voltages for power exchange.

Common duty cycle control balances stacked power modules, resolving input voltage sharing and output regulation challenges.

A control module generates current compensation signals to equalize output currents in parallel power supply modules.

A frequency modulation device varies switching operation frequency to minimize harmonic interference in power supplies.

A load detecting sensor compares output voltage against a reference value to trigger an amplifying circuit stop, preventing electric shock and circuit damage.

Active clamp circuit eliminates voltage spikes and reduces turn-off losses for higher efficiency.

A switching circuit determines average output current using the power switch inherent resistance and a voltage-to-current converter.

A power conversion apparatus switches output voltage between multiple units to distribute heat generation across segments.

Digital calculation replaces physical sensors to resolve slow responsiveness in DC-DC converters while maintaining precise current control.

A switching power supply device uses a current limiting feedback circuit to generate inverse proportion feedback currents from an auxiliary winding.

Control unit applies voltage to transformer before shifting states, reducing surge voltage at leakage inductance.

PWM control module detects AC-off states by sensing rectified voltage, ensuring accurate power reset and preventing abnormal operation.

A power supply apparatus uses a single transformer with multiple secondary coils to generate distinct output voltages.

Local calculation units generate damping signals to simulate ohmic resistance, resolving current distortion and stability trade-offs.

Segmenting high input power across multiple transformer circuits reduces magnetic core heat generation and improves conversion efficiency.

A closed-loop estimator derives magnetisation flux to inject a DC current component into an output transformer.

Parallel transformers with share inductors distribute current evenly, reducing heat generation and improving conversion efficiency.

A variable-frequency power supply drives a magnetron while a controller detects anode current to calculate anode voltage for output power adjustment.

Segmented E and I cores cancel magnetic flux in specific legs, preventing saturation and reducing energy loss in interleaved transformers.

A magnetic MEMS switch directs flux via a cantilever core, eliminating I2R losses and contact sparking in DC-DC regulators.

A two-stage PWM DC-DC converter uses dynamic duty-cycle adjustment to manage voltage and current regulation across varying input conditions.

A full bridge DC-DC converter applies a current doubler circuit to process secondary side transformer output for electric loads.

Adjustable output voltage reduces standby power consumption and extends battery lifespan in image forming apparatuses.

Variable duty control prevents magnetic saturation in DC reactors by gradually increasing pulse width until capacitor voltage resets the core.

Shared diodes and parallel inductors merge rectification circuits to reduce conduction loss and ripple currents while maintaining dual voltage outputs.

A switching mode power supply uses a blocking unit to discharge residual capacitor voltage when external AC power is removed.

A power supply adjusting unit uses primary and secondary non-isolation converting units to enable real-time dynamic voltage adjustment.

An averaging circuit calculates average feedback voltage from multiple outputs to reduce cross-regulation effects and simplify the design process.

A power supply circuit monitors output voltage via feedback control to detect abnormal conditions and protect switching elements.

A UPS controlling module manages battery charging and discharging modes through dynamic power value monitoring.

A line filter uses dedicated current paths to suppress common mode noise from heat radiation units.