A wind turbine controller shifts the asynchronous generator torque-speed curve to counteract rotor voltage increases during grid frequency deviations.
Nozzles and diffusers accelerate airflow through a drum-style rotor, enabling efficient wind energy capture at low speeds without requiring tall support towers.
Two-step prediction minimizes regulation cost and prevents energy storage damage during broadband oscillation suppression in wind-storage stations.
A wind turbine controller selects blade angles and rotor positions from pre-stored environmental profiles to mitigate vibration risks.
Deformable trailing edges with bistable elements adapt blade curvature to varying wind speeds, reducing energy consumption and improving aerodynamic stability.
Controller adjusts rotor shaft position using axisymmetric accelerometer signals to determine estimated position.
A wind farm control method coordinates generating units to stabilize grid voltage during disturbances.
Differential tether movement enables roll control of a stiff airfoil flying object for wind energy generation.
Detects component damage by analyzing temperature differences between thermally coupled parts, avoiding complex vibration monitoring systems.
Control unit switches wind farm to predefined state using low-voltage power supply, enabling self-startup after grid faults.
Segmented hub extension with rotatable airfoil increases energy output without increasing pitch bearing load.
A wind turbine system with two alternators and a switching mechanism adjusts rotational speed engagement for optimized power output.
Coordinated de-icing control across wind turbines uses a pilot turbine to assess operational state before activating rotor blade heating systems.
A control unit adjusts wind turbine operation based on environmental parameters.
Weather prediction controls wind turbine throttling by evaluating thermal stratification and turbulence intensity to reduce unnecessary energy losses.
Dynamic voltage control via choke coils and switches overcomes fixed-step limitations, enabling realistic short-circuit simulation.
A lightning protection device redirects current through insulated external channels on the generator rotor and nacelle cover.
Dual pitch control mechanisms maintain rotor speed during grid faults, preventing prolonged downtime and stabilizing voltage fluctuations.
A variable geometry turbine adjusts inlet passageway width and vanes to manage exhaust gas flow through a dedicated wastegate port.
Dual threshold logic filters gradual wind shifts, reducing mechanical wear while maintaining alignment accuracy.
Autonomous frequency monitoring adjusts power references to balance park output, eliminating complex centralised converters and umbilical cables.
Flared perimeter sections in the clevis opening create enlarged clearance zones that eliminate contact with the clevis pin to reduce wear and fatigue.
Subsystem controller generates modeled electrical values using local high-fidelity sensor data to compensate for low-fidelity point of interconnection signals.
A self-excited induction generator uses a capacitor bank to produce electricity without grid connection.
A wind converter management system uses measurement associations to determine device conditions without physical model adaptation.
Segmenting turbines into an array mounted on a rotatable frame increases swept area and energy production while reducing structural complexity.
A wind turbine controller adjusts individual blade pitch angles to minimize tower excitation using onboard accelerometer data.
Finite element analysis models tonal noise transmission through wind turbine radiating components to guide structural modifications.
Hub-mounted sensors detect reference plane movement without physical contact, resolving the contradiction between measurement precision and device complexity.
A controller uses computational fluid dynamics to generate signals that drive an actuator for changing a turbine blade's three-dimensional shape.
Proximity sensors measure main shaft displacement to enable fatigue assessment and failure trending, reducing system complexity and monitoring costs.
A wind turbine controller determines a pitch rate to distribute lubricant in the pitch bearing.
Coordinating a generator and energy storage system maintains voltage and frequency stability during islanding transients without inter-turbine communication.
A wind turbine control system manages rotor-nacelle assembly operating levels during maintenance activities.
Segmented dual pump architecture distributes workload to extend component lifespan while maintaining continuous operation during primary unit failure.
A wind turbine control system manages power balance during start-up using energy storage and dissipation elements.
Dynamic pitch adjustment reduces fatigue damage on wind turbine components by correcting imbalanced loads during operation.
A conductive fiber sock fully encloses the electrical conductor in a wind turbine blade to route lightning strikes toward the hub.
A wind farm test and control apparatus calculates unit frequency regulation capability without energy storage batteries.
Dynamic rotor speed and yaw angle adjustments modify the ice throw risk zone around wind turbine blades.
A wind turbine generator adjusts active power demand values at a predetermined rate to stabilize grid frequency and voltage.
A vent valve in a gas turbine bearing chamber opens during speed reduction to equalize pressure, preventing flow reversal and oil leakage through seals.
Yawing the nacelle to a benign angle reduces structural loads during idling, preventing damage from pitch faults.
Dual angular-velocity sensors compute blade pitch angle independently of rotational rate, eliminating mechanical encoder wear and error accumulation.
A controller monitors wind turbine rotational speed to detect stuck rotor blades using filtered running averages.
An annular insert orients rotor blades at a cone angle to increase tower separation.
Neural network processes anemometer and generator power signals to detect wind gust patterns, reducing computational load while avoiding high mechanical loads.
Valve control module modifies active and inactive cylinder cycle patterns to suppress resonant vibrations while maintaining target net displacement.
Alternating magnetic pole arrangements increase flux density and a non-magnetic partition wall inhibits temperature rise in the heat generator.
A wind plant controller commands selected turbines to temporarily boost power output based on weather forecasts and current shortfalls.