Ac-Dc Conversion Without Reversal TRIZ Cases
- Bridgeless PFC Converter with Interleaved Switching Cells
Interleaved switching cells in a bridgeless PFC converter reduce parasitic capacitance and EMI noise while maintaining high efficiency.
- Bidirectional Bipolar Power Converter with Predictive Transient Control
Integrated switched-mode device resolves complexity trade-offs by merging multiple supply functions into one universal unit that adapts to line variations.
- Power Factor Correction Circuit Dynamic Switching Frequency Control
A power factor correction circuit adjusts switching frequency based on inductor current ripple to reduce normal mode noise.
- Power Converter With Parallel Resonance Circuit
A power converter uses a parallel resonance circuit to mix low and high frequency components for efficient AC to DC conversion.
- Aircraft Bus Centering Device Using Virtual Ground
Bus centering device maintains central node voltage at ground potential using switching components, reducing aircraft weight and electrical discharge risks.
- Load-Selective Input Voltage Sensor for AC-DC Power Converters
A load-selective input voltage sensor reduces power consumption by enabling sensing only during specific switching periods.
- Hybrid AC DC Distribution System for Variable Speed Generator Efficiency
A hybrid AC and DC distribution system merges power buses to reduce electronic components in variable speed generator applications.
- Switching Mode Power Supply Dynamic High-Voltage Charging
A switching mode power supply uses dynamic high-voltage charging to maintain operating voltage.
- Mirrored Snubber Circuit for Power Converter Voltage Spike Mitigation
A mirrored snubber circuit recirculates energy between filter sections to mitigate voltage spikes in power converters.
- Multi-phase Autotransformer Delta Topology for Compact Power Systems
A multi-phase autotransformer with delta-connected primary windings and phase-shifted secondary outputs consolidates power conversion into a single unit.
- Uninterruptible Power Supply Capacitor Voltage Balancing
Feedback control adjusts converter switching states to reduce voltage imbalances between capacitors during power failures with small load currents.
- AC to DC Power Conversion Without Diode Bridge Rectification
Dynamic switching control eliminates diode bridge power loss while accepting full AC input waveforms.
- UPS Controller Identification for Network Resilience
UPS controllers embed stable identification data within network packets, resolving conflicts between fixed IP requirements and dynamic network reconfiguration.
- Overvoltage Limiting via AC Voltage Converter and Rectifier
An overvoltage limitation device transports power from input connections to output connections using an AC voltage converter and rectifier.
- MPPT Controller Adjusting Duty Cycle via Inductor Energy-Releasing Duration
A controller adjusts a converter duty cycle based on inductor energy-releasing duration to track maximum power points.
- Universal Power Supply Connector for Wye and Delta Configurations
A universal power supply connector accommodates both wye and delta connections through a shared rectifying module and bulk capacitor.