Ac-Dc Conversion Without Reversal TRIZ Cases
- Rectifier Bridge Inrush Current Limiting Circuit
A rectifier bridge uses a third thyristor and resistor pair to limit startup current peaks.
- Power Conversion Device Short Circuit Detection via Voltage Monitoring
Voltage detection circuit monitors DC terminal potential to identify short circuit failures in power conversion devices.
- Power Conversion Device Switching Frequency Control
A power conversion device adjusts switching frequency using a logic-based changing unit within the control signal path.
- Digital Low-Pass Filter for AC/DC Driver Integration
A digital low-pass filter uses differential-integral processing to generate stable analog signals for driver circuits.
- Power Supply Regenerative Converter for Injection Molding
A power supply regenerative converter manages alternating current flow between an AC power supply and inverter parts using bidirectional electric power conversion.
- Dual-Edge Tracking Synchronous Rectifier Control for Resonant Converters
Dual-edge tracking control synchronizes rectifier switching with primary side transitions to maintain stable operation across varying frequencies.
- Modular Multi-Level Converter Control Architecture
Distributed sub-control units transmit state information to a central controller, resolving HVDC transmission complexity while maintaining output power quality.
- Power Converter Shutdown via Combined Voltage Current Thresholds
A control circuit monitors output voltage and current to shut down a power converter when specific thresholds are reached.
- Magnetic Amplifier LED Driver Circuit for Current Stability
A magnetic amplifier drive circuit regulates current to solid-state light sources using control windings and power windings.
- Waveform Shaping Circuit for DALI Spurious Harmonic Suppression
A waveform shaping circuit alters input impedance using series resistance and bypass switches to manage current profiles in lighting control units.
- Power Conversion Device Input Current Control
A power conversion device controller monitors input and output electrical parameters to regulate charging current flow.
- Multi-pulse Transformer Phase Shift Harmonic Attenuation
Phase-shifted secondary windings in a multi-pulse transformer attenuate harmonic distortions from non-linear loads, eliminating bulky line filters.
- Voltage Supply Circuit for Compact Power Delivery
A voltage supply circuit uses a feedback loop to adjust modulation voltage and maintain constant power output.
- Dual EMI Filter PFC Circuit for Compressor Drive
Segmented filters and controlled charging reduce electromagnetic interference while extending component lifespan in compressor drives.
- Two-Stage Transformer Assembly for Lightning Impulse Withstand
Segmenting insulation across stages allows medium frequency transformers to meet lightning impulse requirements while minimizing weight and complexity.