Single motor actuation reduces cable wear and improves energy conversion efficiency in wind power kites.
Dynamic current limit adjustment prevents voltage collapse by maintaining active power feed-in while providing necessary reactive support.
A vertical wing rotates on a biased shaft to face approaching wind, eliminating complex active yaw control mechanisms.
Segments the noise spectrum and correlates it with rotor speed to pinpoint tonal noise origins for targeted mitigation.
Forecast-based heating cycles reduce net energy loss by activating thermal protection only when future icing conditions threaten power output.
Electrostatic induction replaces mechanical anemometers, eliminating icing interference and ensuring accurate wind data for energy extraction.
AC crowbar and DC chopper consume generator excess energy to brake wind turbine rotation during over-speed events.
Hybrid model and spectral analysis fuses multi-sensor data to detect generator faults.
A swallow tail extension body attached to the airfoil trailing edge smooths airflow separation.
A phase angle difference monitoring method detects voltage instability in offshore wind park electrical grids by comparing turbine and onshore angles.
A reduced Luenberger observer estimates missing bending moment signals for wind turbine pitch control systems.
A segmented wind turbine rotor blade uses a pivotable outer section to enable compact transport.
Extracting pitch motors onto rotor blades eliminates mechanical transmission losses, reducing energy consumption and dynamic loads while extending service life.
A power station controller regulates active and reactive power output to maintain a defined operating range on the PQ plane.
Wireless point-to-point communication bypasses unstable SCADA networks to ensure reliable emergency stop and operational control.
A wind turbine state monitoring device estimates external forces and deformation amounts using existing control sensors to evaluate structural integrity.
Inverting conventional spoiler logic, the actuator stays flat without pressure to minimize load during emergencies.
Actuator displacement measurement calculates blade pitch brake wear levels, preventing unexpected failures and unnecessary maintenance tasks.
Segmented blades on a circuit frame enable dynamic angle adjustment, resolving manufacturing constraints of large rotors while maximizing energy output.
A wind turbine nacelle mounts on a yaw bearing via a vertical shaft section that creates a yaw displacement to balance pitching and thrust moments.
A passively vented Savonius rotor uses a modular space frame and direct drive to extract energy from wind or water flows.
Seismic event control device actuates wind turbine blade pitch angles to alter structural frequencies and reduce seismic loads.
A wind turbine generator control device adjusts power output based on rotational speed and grid frequency to stabilize the utility grid.
Apertured deflectors mitigate wind turbine loading while suppressing turbulence-induced noise through controlled flow segmentation.
Root end flange integrates pitch bearing mounting, angle limiting, and calibration reference into one component to reduce device complexity.
Span-wise separator comb elements diffuse upstream turbulence and break up vortices to reduce aerodynamic noise at rated power output.
Pilot spool inside servo piston uses hydraulic pressure to reduce hysteresis and load drift, enabling precise nozzle opening degree control.
Wind turbine controllers embed multiple protocol handlers to support diverse SCADA networks without external gateways.
A wind turbine yaw controlling system adjusts nacelle orientation to dampen edgewise oscillations in rotor blades.
A wind park design arranges turbines in a convex polygon to minimize wake interference between units.
Separate mechanical pathways control pitch and camber independently, reducing vibration and fatigue while improving efficiency.
Differentiated power setpoints for wake-zone turbines reduce thermal stress and extend component lifespan by balancing active and reactive loads.
Dual rotary valves modulate exhaust gas flow through high-pressure and low-pressure turbines to optimize turbocharger efficiency.
A wind farm control system calculates demanded generation quantities for individual turbines based on measured wind conditions.
A dual-loop control method uses a fast inner controller to track power reference signals while a slow outer loop filters high-frequency disturbances.
A wind turbine yaw sensor uses a rotary switch and absolute encoder to track nacelle rotation.
Shifting phase potentials via periodic clamping reduces thermal load on switching elements, enabling higher torque transmission at low frequencies.
Model predictive control calculates predicted operational trajectories for wind turbines, balancing power output against noise emissions.
A wind turbine controller uses pitch angle duration to determine generator connection timing.
Radial tensioning device adjusts tubular supporting structure shape to maintain precise annular gap alignment.
A windmill-driven pump lifts water through intermediate tanks using a rotating cylinder and gear assembly.
Seawater spraying melts blade ice and prevents reformation, eliminating complex heating systems while maintaining aerodynamic efficiency.
A wind vane and roller assembly rotates the housing to align with wind direction, reducing mechanical fatigue and resonance in the rotor structure.
Intersecting laser beams on a floating platform localize measurements to resolve turbulence intensity errors from diverging LIDAR averaging.
Alternating first and second semiconductor modules optimize current paths to reduce circuit inductance in electric-power converting devices.
Ground-based lidar and topographic stations measure wind direction and nacelle position, eliminating blade turbulence errors that degrade anemometer accuracy.
Segmented controllers isolate flapwise and edgewise modes, reducing fatigue loads while minimizing computational requirements.
Azimuth-dependent blade pitch modulation reduces acoustic emissions by 2.5 dB while maintaining electric power generation within regulatory limits.
Segmented frequency analysis reduces computational load while detecting loose objects in wind turbines through targeted high frequency sound isolation.
Parallel monitoring of pitch components eliminates cyclic shutdown testing, reducing maintenance costs and mechanical stress on the wind turbine.