Electric Power Transfer Ac Network TRIZ Cases
- Multiphase AC Generator System for Ship Power Optimization
Variable frequency control reduces fuel consumption in ship power generation by decoupling generator speed from fixed grid frequency.
- DC Power Flow Control in Meshed HVDC Networks
A DC power flow control device injects adjustable voltage into transmission lines to balance current distribution across meshed networks.
- Wind Farm Voltage and Current Control for Grid Stability
A wind farm controller manages voltage-influencing and current-influencing units to exchange power with the electrical supply grid.
- Current Converter Unit Asymmetrical Fault Management
A current converter unit connects a connection point to ground potential via a current-damping electrical component.
- Single Star MMC AC-AC Converter for Railway Grids
A single star Modular Multilevel Converter uses a transformer arrangement to couple three-phase and single-phase grids.
- Hybrid HVDC Transformer for Offshore Wind Power Collection
A hybrid HVDC transformer steps up medium voltage DC to high voltage DC for efficient long-distance transmission.
- Power Converter Voltage Control for AC System Fault Restoration
A power converter sets output voltage to open circuit breakers while keeping switching elements operational.
- AC-DC Interface Grounding Switch for Fast Fault Disconnection
Branches with impedance elements allow circuit breakers to open instantly during faults, preventing converter stress from overvoltage.
- Adjustable Speed Generator Control via AC Voltage Reference Modification
Modifying the local AC bus voltage reference based on grid conditions prevents DC link overvoltages during faults without requiring a DC chopper.
- Active Filtering System for DC Bus Ripple Reduction
Active filtering system reduces device volume and power losses by generating compensation voltage opposite to capacitor AC components.
- Power Converter Control Device Simplified Circuit Configuration
A power converter control device uses centralized power interruption compensation circuits to maintain gate pulse generation during outages.
- Power Converter Fault Current Dissipation via Switch Recirculation
A power converter dissipates fault current by keeping internal switches closed to allow current recirculation through the source.
- Tripolar VSC-HVDC System With Shared Converter Valves
Shared converter valves in a tripolar VSC-HVDC system reduce station space and equipment count, eliminating ground fault power interruptions common in LCC-HVDC.
- Capacitor Circuit for Peak Current Support in Limited Power Sources
A circuit uses a capacitor to bypass current limits of a power converter, supplying peak power demands without overloading the source.
- Voltage Source Converter Phase Current Control
A voltage source converter controller generates modified AC voltage demands for single-phase limbs to independently adjust phase currents.
- HVDC Fault Clearing via Self-Reconfiguring Power Converters
Self-reconfiguring power converters detect voltage levels to isolate faults and rebalance the HVDC network, eliminating telecom coordination delays.
- Segmented Voltage Initiation for Flexible DC Isolated Island Systems
A segmented voltage reference wave initiates flexible DC transmission systems under isolated island conditions.