Electric Power Transfer Ac Network TRIZ Cases

Variable frequency control reduces fuel consumption in ship power generation by decoupling generator speed from fixed grid frequency.

A DC power flow control device injects adjustable voltage into transmission lines to balance current distribution across meshed networks.

A wind farm controller manages voltage-influencing and current-influencing units to exchange power with the electrical supply grid.

A current converter unit connects a connection point to ground potential via a current-damping electrical component.

A single star Modular Multilevel Converter uses a transformer arrangement to couple three-phase and single-phase grids.

A hybrid HVDC transformer steps up medium voltage DC to high voltage DC for efficient long-distance transmission.

A power converter sets output voltage to open circuit breakers while keeping switching elements operational.

Branches with impedance elements allow circuit breakers to open instantly during faults, preventing converter stress from overvoltage.

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 reduces device volume and power losses by generating compensation voltage opposite to capacitor AC components.

A power converter control device uses centralized power interruption compensation circuits to maintain gate pulse generation during outages.

A power converter dissipates fault current by keeping internal switches closed to allow current recirculation through the source.

Shared converter valves in a tripolar VSC-HVDC system reduce station space and equipment count, eliminating ground fault power interruptions common in LCC-HVDC.

A circuit uses a capacitor to bypass current limits of a power converter, supplying peak power demands without overloading the source.

A voltage source converter controller generates modified AC voltage demands for single-phase limbs to independently adjust phase currents.

Self-reconfiguring power converters detect voltage levels to isolate faults and rebalance the HVDC network, eliminating telecom coordination delays.

A segmented voltage reference wave initiates flexible DC transmission systems under isolated island conditions.

Gate-controlled semiconductor switching in a current source converter limits fault currents and reduces harmonic distortion without external circuit breakers.

A current sensor management unit detects faulty sensors in HVDC converter limbs and calculates replacement values from healthy readings.

A control module monitors HVDC transmission link parameters to regulate AC power plant output via voltage source converters.

Auxiliary converters synthesize waveforms to minimize DC voltage ripple, eliminating bulky passive filtering equipment and reducing installation costs.

A grid-connected inverter protection apparatus monitors output current to detect low grid voltage conditions.

Sequential PWM activation and dynamic load-based inverter selection eliminate circulating currents, reduce THD, and improve MTBF.

A filter unit connects to the neutral point of an AC voltage supply system within a power transmission installation.

Dynamic buck-boost operation reduces cell capacitance by up to 80% while maintaining linear modulation assurance and harmonic stability.

A local power network uses bidirectional inverters and a shared DC link to transfer energy between AC networks, reducing infrastructure upgrade costs.

Active voltage source devices inject series DC voltage to stabilize power transmission across multi-terminal networks.

Grouping and prioritizing inverter stations prevents synchronous passive control entry that causes overcurrent damage during island state detection.

A phase module arrester protects converter switching modules from overcharging during grid faults.

A voltage source converter uses a neutral potential pole and series switching cells to generate bipolar pulses for power conversion.

Segmented split DC links use diodes to block reverse current flow from the common bus, preventing capacitor discharge damage during faults.

A current diversion system uses switching devices to redirect fault currents away from critical semiconductor components in power converters.

Cascaded H-bridge modules replace heavy mechanical generators to reduce equipment weight while extending offshore HVAC connection distances.

Virtual impedance mechanism damps oscillations between interconnected converters without physical resistors.

Dynamic DC voltage adjustment in HVDC transmission systems reduces operating costs and minimizes power losses.

Second arresters with lower switching impulse protective levels balance pole voltages, enabling automatic restarts and preventing overvoltage on healthy poles.

A series-connected HVDC apparatus introduces DC voltage to control power transmission while a parallel bypass device diverts current.

A measuring device assigns satellite timestamps to signals for decentralized synchronization.

A monitoring system evaluates current intensity and rate of change across multiple time intervals to detect DC faults in high-voltage transmission lines.

Dynamic current limits based on real-time voltage conditions coordinate AC and DC protections, removing faults without affecting converter operation.

A power conversion assembly modulates DC and AC components on HVDC conductors to supply auxiliary energy.

Automated probing identifies broken links and misconfigurations, reducing installation errors in complex power conversion networks.

Separating HV and LV valve halls disperses power reception points, reducing short circuit currents and improving grid stability.

Parallel bypass circuits with asymmetrically positioned cell converters reduce circulating current impedance in modular multilevel converters.

Variable impedance decoupling elements prevent resonance interference between multiple inverters operating at different frequencies on a shared DC link.

Segmented chain-link converters eliminate complex IGBT drive circuits and snubber components to reduce switching losses in high voltage DC transmission.

Modulate HVDC cable electrical properties to diffuse space charge accumulation in extruded polymer insulation.

Modular DC/DC step-up converters in a medium voltage DC collection system eliminate bulky transformers, reducing power losses and equipment volume.

Autonomous local controllers manage converter-side currents and voltages independently, eliminating reliance on high-speed central communication.

Voltage source converters enable bipolar HVDC networks with independent pole control.