Flexible AC Transmission TRIZ Cases

A battery energy storage system monitors state of charge to switch balancing services to alternative assets.

A reactive power compensator uses pre-configured discharging connection units to electrically link submodule capacitors in series upon system stop.

A modular multilevel converter uses model predictive control to optimize switching sequences and minimize voltage ripple on module capacitors.

A reactive power compensator controller generates an offset signal through phasor transformation to drive cells within phase clusters.

Thyristor-controlled series compensation circuitry manages reactive power demand to stabilize generator operation.

A network control circuit combines a static reactive power compensator with an electronically controllable load resistor to regulate active and reactive power flows.

Dynamic power allocation resolves efficiency losses from varying PCS and battery characteristics, improving operational profit by approximately 10 percent.

External fault current protection module couples to modular impedance injection units.

A battery energy storage system charges directly from generation sources while a control unit dynamically adjusts active DC/AC converters.

Distributed voltage regulators adjust setpoints to stabilize grid frequency at the edge.

A dynamic voltage sag correction device rectifies line-to-line signals and stores energy to generate correction signals across multiple input voltages.

Dividing input current into parallel branches with inductive coupling resolves FACTS power transfer capacity limits for diverse generator ratings.

A grid-forming inverter stabilizes AC voltage at the connection point, enabling reliable power feeding into weak grids with low short-circuit capacity.

A power supply system sets a dynamic droop curve to manage charging and discharging across multiple batteries.

A processor calculates charging efficiency-based power to control a battery energy storage system, minimizing power loss during charge and discharge cycles.

Merges AC-DC and DC-DC conversion into one unit to eliminate intermediate bus losses, improving power factor correction.

Full-bridge converter cells segment fault current paths to isolate DC side short circuits without shutting down the entire power electronic system.

A reactive power compensation controller adjusts the modulation index of phase clusters to maintain voltage balance across cells.

A battery dynamic power flow control system shifts and shapes power consumption patterns to optimize capacity.

Vertical stacking of switches and cooling plates reduces handling difficulty and occupied area in heavy thyristor assemblies.

A power quality compensator uses a ripple predictor to forecast bus voltage fluctuations for faster control response.

Thyristor controlled series capacitor system provides positive electrical damping to stabilize power transmission lines.

A modular multilevel converter system sets resonant frequency above switching frequency to cancel capacitor ripple voltage.

A controllable voltage source injects counter-voltage to stabilize battery terminals and protect electrochemical cells from harmonic current ripple.

Zero sequence voltage monitoring identifies faulty converter stations, allowing rapid recovery of healthy units and promoting transformerless designs.

A photovoltaic inverter adjusts active and reactive current outputs during grid voltage dips to stabilize the electrical signal.

Distributed active impedance injection modules dynamically control power flow on high-voltage transmission lines using a multi-turn transformer and virtual ground.

STATCOM controller manages reactive power production via dynamic mode switching between closed-loop and feedforward schemes.

Opening charging resistor switches creates a low-impedance path that reduces discharge time and maintenance downtime for STATCOM systems.

A synthetic test circuit uses a current source and controller to simulate submodule performance conditions.

A voltage source converter provides reactive power support through thyristor controlled reactors.

A control device adjusts a FACTS shunt compensator voltage setpoint using a synchronous condenser error signal to create a total voltage reference.

Y-connected thyristor switched capacitors reduce phase voltage, lowering component volume and cost while integrating a harmonic filter to minimize distortion.

Predicting final submodule voltages selects insertion states to balance energy stores, reducing voltage ripple and switching frequency.

Dynamic converter switching manages reactive power injection in multi-converter wind turbines.

Controller detects communication faults and reconfigures setpoints to compensate for offline devices, preventing saturation during wind plant operation.

H-bridge topology with four switches enables selective bypass of series-connected FACTS devices, reducing system complexity and cost.

AC-AC series voltage regulators enable granular voltage control at each point of load, resolving inefficiencies from legacy grid averaging methods.

Modular control enables current sharing in isolated DC/DC converters, simplifying the complex coupling strategies that increase costs and reduce stability.

A distribution transformer interface unit integrates shunt and series converter circuits to regulate load voltage.

A power conversion device uses a stacked conductor bridge circuit to increase output voltage and current.

A hybrid power compensation apparatus merges a STATCOM with an energy storage system to supply active power.

A series connection of two-pole switching modules generates periodic longitudinal voltage to manage alternating-voltage network load flow.

Cascaded H-bridge converters isolate battery modules, eliminating circulating currents and reducing control complexity in 100 MW power stations.

A bidirectional AC-DC power converter regulates input voltage to stabilize the electrical grid.

Segmented static synchronous compensator modules eliminate current harmonics up to the 19th order, resolving voltage instability in wind farms.

Staggering rectangular pulses from impedance injection units synthesizes a pseudo-sinusoidal waveform.

A modular multilevel power converter adjusts series impedance through a transformer to enable flexible electrical energy transmission.