Wind Motor Control TRIZ Cases

A wind turbine controller adjusts rotational speed to capture maximum energy at medium and low wind speeds.

A monitoring unit automatically provides updated condition data to a portable communication device via a wireless interface.

Dynamic yaw angle thresholds adapt to wind velocity, preventing cable twisting while maintaining continuous power generation.

Pneumatic blowing slots regulate blade speed and pitch without mechanical actuators, reducing device complexity.

Composite stay bolts provide a protected conduction path that prevents moisture-induced flashovers and protects sensitive pitch components.

Control nodes verify personnel presence to prevent unnecessary brake activation and damage during wind turbine shutdowns.

A control system adjusts individual blade pitch angles to mitigate aerodynamic loads during wind turbine yaw error events.

An air guide arrangement uses a base element and actuator element to control movable folding devices.

A control system stabilizes multi-rotor wind turbines during shutdown by applying thrust commands to opposing rotor subsets.

A wind power installation uses a PID controller to adjust active power injection, preventing oscillations and stabilizing grid frequency during reconnection.

A motor control circuit shares power and switching components across multiple fan devices, reducing manufacturing costs and maintenance complexity.

Variable cut-in rotor speeds optimize low-wind efficiency while maintaining grid reactive power compliance.

A liquid damper system integrates into a direct-driven wind turbine's hollow generator shaft using magnetic coupling to control vibrations.

A secondary controller adjusts sensor signals using bias values to optimize wind turbine tip speed ratio.

Open-loop scalar control uses generator excitation to position direct drive turbine hubs, eliminating separate positioning motors and encoders.

Controller detects tower thermal gradient to calculate displacement magnitude and direction for nacelle setpoint adjustment.

A rotor assembly uses a simplified cable system to support vanes directly on the central hub.

A wind turbine protection system filters speed and direction signals to calculate a gust indicator for precise component loading management.

Porous induction walls with zero-net-mass-flux actuators reduce drag and increase lift by preventing boundary layer separation at shock waves.

Automatic yaw calibration system identifies wind alignment errors using historical operation data analysis.

Cyclic pitch angle differences disrupt edgewise blade oscillations without adding mechanical weight or reducing power output.

A control device determines performance identifiers for wind turbines using operating parameters.

Position-based control reduces lateral and torsional nacelle vibration by shifting tower frequency away from excitation sources through gain adjustment.

A recalibration system adjusts wind turbine nacelle positions using historical performance data and predicted wake features to ensure accurate orientation.

A submerged barrage channels flowing water to increase velocity for efficient small turbine operation.

Curved fairings guide fluid flow into a gap to rotate a blade assembly on a vertical axis, overcoming directional limitations of conventional windmills.

A wind turbine lifetime estimator adjusts operational settings based on accumulated stress to extend component life.

Dynamic tolerance band adjustment minimizes DC offsets and improves vibration spectrum without requiring high-cost component precision.

Segmented vertical axis blades reduce drag by cutting through wind with a closed edge while the open back pocket absorbs airflow.

A wind turbine safety system uses real-time load signals to adjust operational parameters and maintain a safe condition.

LiDAR sensors measure wind speed above the rotor sweep, extrapolating data to minimize interference and improve accuracy.

A wind turbine group evaluation device establishes a criterial correlation between target and reference turbine power outputs to isolate control parameter effects.

Replacing yoke pivots with a transverse shaft and guide rod assembly reduces torque requirements and wear on the nozzle ring control mechanism.

Employs empirical orthogonal function decomposition on benchmarking turbine data to resolve calculation inaccuracies and assess economic losses from brownouts.

A wind energy system calculates effective wind speed using rotor rotational speed and pitch angle data from existing sensors.

A doubly-fed induction generator system adjusts cut-in rotation speed using DC link voltage margins to extend operational range.

Farm-level controller distributes power commands to wind turbines, enabling frequency regulation and grid stabilization during transient events.

A wind farm noise prediction system calculates acoustic power levels and propagation losses to adjust turbine operations in real time.

Strain gauges measure gravity induced blade moments to identify individual rotor blade positions, preventing maintenance misalignment.

Optical capture devices record light source positions to calibrate wind turbine sensor systems.

An intermediary elastomeric bearing at the tower base mitigates oscillations during storage and transport without requiring high-altitude installation.

Processing subsystem calculates net measurement noise from wind incoherence and atmospheric signals to estimate oncoming wind speeds.

A wind turbine generator system sets minimum output power commands based on priority to maintain stable operation during grid curtailment events.

Dynamic repositioning of floating wind turbines redistributes mechanical wear, equalizing degradation and extending farm service life.

Dynamic cut-out adjustment using predicted fatigue and limit loads maximizes energy capture while maintaining structural safety limits.

An integrated battery in the wind turbine power converter resolves intermittency by storing excess energy during high generation periods for later dispatch.

Hollow columns coupled with adjustable submerged structures capture wave energy to drive an air turbine for power generation.

Airfoil vanes use the Coandă effect to direct wind toward blades, resolving vertical turbine efficiency limits.

Segmented blade pitch and movable aerodynamic devices resolve the contradiction between maximizing upstream productivity and managing downstream load impacts.