Ac-Dc Conversion TRIZ Cases
- Switched Capacitor Voltage Regulator Diode Protection
A switched capacitor voltage regulator uses a flying capacitor and transistor switches to transfer charge between input and output nodes.
- DC/AC Converter Neutral Phase Point Voltage Reference
A DC/AC converter integrates a neutral phase point within the DC/DC stage to provide a stable voltage reference.
- Distributed Gate Controller for Power Switches
A distributed gate controller system manages power switches via a bidirectional communication bus.
- Direct Converter Inductance Continuous Current Flow
Series inductance enables continuous current flow in a direct converter, reducing capacitance requirements and space.
- Multilevel Converter Submodule Voltage Ripple Suppression
Periodic control error sampling suppresses submodule voltage ripple without signal filtering, reducing current harmonics and hardware complexity.
- Hysteretic Mode Controller for Capacitor Voltage Divider Efficiency
A hysteretic mode controller adjusts switching frequency in a capacitor voltage divider to maintain high conversion efficiency.
- Five-Level Half-Bridge Inverter Topology for Leakage Current Elimination
A five-level inverter topology uses a floating capacitor to output distinct voltage levels and reduce system size.
- Configurable Rectifier for Low-Level Signal Detection
A configurable rectifier circuit processes differential input signals to generate precise output levels.
- Power Conversion Circuit for Controlled AC Output
A power conversion circuit segments DC to controlled DC, enabling precise output regulation without modifying existing power conditioners.
- Power Supply Circuit with Auxiliary Signal for Fast Voltage Restoration
Auxiliary instruction circuit generates proactive enable signals to activate booster circuits before voltage drops occur.
- Self-Powered Active EMI Filter Using Thermoelectric Modules
A self-powered active EMI filter uses thermoelectric modules to generate power for operational amplifiers.
- Power Conversion System Timing Controller for Converter Noise Reduction
A timing controller disperses switching noise by staggering converter startup phases, preventing simultaneous operation that destabilizes the DC bus voltage.
- Electrosurgical Generator Inductor Current Control
A boost inverter and controller regulate inductor current via duty cycle adjustments to stabilize electrosurgical energy delivery.
- PoDL Powered Device Active Rectifier Bridge Shunting Switch
Active rectifier bridge with shunting switch enables PoDL classification communication by bypassing polarity correction blocks.
- Three-Phase Voltage Sensor for Asymmetrical Drop Compensation
A three-phase voltage sensor detects individual phase voltages to enable precise reactive power compensation during grid disturbances.
- Multiphase Voltage Converter Switched Capacitor Network
A multiphase multistage voltage converter uses switched capacitor networks to achieve high voltage transfer gain without external components.
- Bidirectional Power Converter Valve Stress Reduction
A bidirectional power converter uses current sensing and controller logic to manage switching times for smoother energy transfer.
- Ultra High Voltage Regulator Transformer Removal
A compact ultra high voltage regulator uses a non-isolated buck-boost topology to convert AC power without bulky transformers.
- Reconfigurable Charge Pump Series Parallel Topology
Dynamic series and parallel cell arrangement reduces output impedance, maintaining high efficiency under fluctuating supply voltages.
- Multi-level Topology Circuit Reduces Switching Element Voltage Stress
A multi-level topology circuit segments voltage across six switching elements to lower individual stress requirements.