Flexible AC Transmission TRIZ Cases

A rail-and-guide mounting structure lets heavy cabinet submodules slide in and out for faster replacement, smoother handling, and lower maintenance effort.

A tap-adjusted third winding combines step-down conversion with phase angle control to ease grid transmission bottlenecks and cut equipment footprint.

A recursive control loop fits nonlinear grid transients in real time to stabilize impedance injection units during power flow control.

External fault current protection makes FACTS units modular, lighter, and reusable while reducing internal circuit complexity for distributed control.

Underused solar farm inverters act as STATCOMs to control reactive power at the PCC, limiting feeder overvoltage and avoiding added SVC costs.

Series single-phase inverters and a STATCOM balance feeder loads with fast active and reactive power control in AC grids.

Automatic relay logic isolates a faulted feeder, starts BESS-backed single-phase islanding, and restores grid service with safety checks.

A modular ESS power cabinet combines battery storage, inverter, transformer, and frequency regulation to smooth fast load swings and maintain UPS continuity.

Selective battery-string coupling lets a BESS self-start and power auxiliaries without external grid, diesel, or shore power.

A DC bus with battery energy storage buffers fast-charging loads on weak AC grids, reducing voltage regulation and protection issues.

When E-STATCOM storage is full or undersized, a resistor-based absorption path dissipates excess active power to keep AC grid balancing stable.

Reconfigurable branch and trunk cable wiring in a BESS wiring box supports multiple grid types while reducing SKU and service complexity.

External fault current protection makes FACTS modules smaller, interchangeable, and better suited to distributed grid control.

A transformer-less DCSTATCOM combines bidirectional DC-DC conversion and a multilevel inverter to supply medium-voltage active and reactive power.

Reactive current is prioritized during AC voltage deviations, then limited by grid frequency to preserve active power transfer and stability.

By combining networking, control, and current conversion functions, this case removes redundant detection and soft-start circuits to lower cost and speed response.

Cross-coupled voltage reference control helps STATCOMs damp wider sub-synchronous oscillations and reduce grid resonance sensitivity.

A DC/DC link between PV and BESS captures excess solar power beyond inverter limits, reducing clipping and enabling flexible grid feed timing.

A hierarchical BESS control architecture coordinates multiple microgrids with different peak timings to balance demand and reduce interruptions.

Independent per-phase switching regulates unbalanced three-phase, two-phase, or single-phase loads while reducing flicker and power losses.

A secondary controller redistributes power setpoints by battery SoC and capacity to balance grid-scale BESS units and extend utilization time.

ANN-tuned BESS PI control helps microgrids recover frequency and voltage faster after generator loss, short circuits, and load changes.

A parallel DC-link switching branch enables controlled discharge during AC network faults, avoiding inverter voltage buildup and damage.

Distributed individual reactors between sub-modules replace one large arm reactor, cutting converter volume and installation space.

Antiparallel thyristor bridging bypasses the series converter during faults, cutting recovery time and limiting transients in AC networks.

Two coordinated converters and energy storage let a metal heating furnace maintain power supply and flicker compensation during outages or maintenance.

A meshed control topology lets adjacent storage units relay commands through alternate paths, improving fault tolerance and grid support.

Voltage vector shift detection opens switchgear fast enough for a BESS in virtual-synchronous mode to prevent blackout during grid loss.

By connecting only selected battery storage units, this case keeps short-circuit current within component limits while preserving high energy capacity.

Machine learning predicts BESS charging windows from load and state-of-charge data to handle EV peak demand while extending battery life.

Reactive power controllers turn loads into smart stabilizers that absorb or deliver power to reduce grid voltage and frequency fluctuations.

Grip and angular-velocity sensing let the controller detect kickback in real time and stop motor drive before loss of control worsens.

Machine learning predicts battery charging and discharging under variable EV loads to extend storage lifetime and support weak grids.

A battery energy storage system buffers EV charging with 1-second meter data to curb grid peaks, cut emissions, and avoid costly upgrades.

Battery buffering and power-cabinet control smooth short power spikes, cut 3-phase motor noise, and maintain long-duration UPS continuity.

Carrier frequency and phase-shift PWM suppress harmonic-driven energy imbalance in MMC cells, stabilizing output voltage and capacitor balance.

External fault current modules replace built-in protection in FACTS equipment, reducing weight and cost while supporting modular distributed control.

Grip sensing and motor feedback let the processor detect kickback in real time and stop the brushless motor before loss of control.

A power-safe circuit keeps inverter switches off during initial line fault surges, then an SCR bypass diverts current after supply threshold is reached.

Multiple control signal paths let adjacent storage units relay commands autonomously, improving grid-scale storage fault tolerance and expansion.

A spring and solenoid latch bypass switch rapidly shorts abnormal STATCOM and HVDC sub-modules while reducing switch size and cost.

An integrated pre-ignition arc in a vacuum circuit breaker closes a fault bypass path quickly while reducing cost, space, and environmental sensitivity.

A transformer-coupled current-limiting bypass isolates the converter during faults to cut short-circuit current and improve AC system reliability.

A controller balances wind, solar, and battery set points to meet active power references while improving grid stability and energy yield.

A voltage-monitored bypass path protects HVDC sub-module capacitors and prevents disconnection when the sub-module controller fails.

Continuously variable susceptance elements couple same-frequency AC networks to control active and reactive power with lower losses and less hardware.

By moving fault current protection outside the FACTS unit, this case cuts weight and complexity while enabling reusable distributed power modules.

Processor-controlled switching offsets BESS standby parasitic losses by redirecting renewable or grid energy to keep facility devices powered.

A battery energy storage system supports block loading during black grid restoration, speeding recovery while limiting turbine stress and overload.

Solid-state transformer switching enables sub-cycle grid-edge voltage sag control with under 0.3% losses and 5-7% energy savings.

Voltage vector shift detection opens switchgear within milliseconds so a BESS in virtual-synchronous generator mode avoids blackout during grid loss.