Wind Turbines

© 2019 by the authors; CC BY license

LVRT; voltage measurement; wind power system; grid codes; wind turbines; large eddy simulation (LES); kinetic energy entrainment; actuator disk model; vertical axis turbine; dynamic stall; streamtube model; participation factor; permanent magnet synchronous generator wind turbine (PMSG WT); PI controller parameters; small-signal modeling; flat plate lift and drag; PV (photovoltaic) wind loads; small wind turbines; unsteady aerodynamic forces; high step-up; three-phase AC/DC converter; rectifier; flyback; switched capacitor; wind turbine; drivetrain; fatigue; stochastic model; reliability analysis; atmospheric turbulence; large-eddy simulation; stable boundary layer; wind shear; wind turbine; generator; lumped parameter network; thermal analysis; ageing; fault detection and diagnosis; wind turbine; self-adaptive flange; diffuser; drag reduction; fluid-structure interaction; wind turbine rotor; aerodynamic load control; microtab; four-bar linkage; vertical axis wind turbine; blade force; measurement; wind power; tangential force; normal force; H-rotor; fuzzy logic; wind power; fault ride-through; squirrel-cage induction generator; transient stability; modular multilevel converter; fault detection; fault localization; capacitor voltage; adaptive observer; vertical axis wind turbine; Savonius; Myring Equation; computational fluid dynamics (CFD); vibro-impact energy; wind turbines; multi-staged clutch damper; harmonic balance method; drag torque; firing frequency; gear backlash; clearance; resonant AC-DC converter; fractional output; rectifier; high frequency distribution; cascaded converter; harmonic balance method; multi-staged clutch damper; hysteresis; Poincaré map; quasi-periodic; piecewise-type nonlinearity; firing frequency; wind power; doubly-fed induction generator (DFIG); fault current characteristics; non-severe fault; asymmetrical fault; de-loaded (DL) operation; improved hill climb searching (IHCS); kinetic energy (KE) discharge; maximum power point tracking (MPPT); frequency support control; large eddy simulations; wind farm; turbulent boundary layers; wind farm control; optimization; adjoints; blade element momentum theory; passive pitch control; disk pulley; small horizontal axis wind turbine; vertical-axis wind turbines (VAWTs); VAWT wake; atmospheric boundary layer (ABL); large-eddy simulation (LES); actuator line model (ALM); turbulence; aerodynamic optimization; closed-loop system; multi-point method; maximum power point tracking (MPPT) control; variable-speed wind turbine (VSWT); permanent magnet synchronous generator; wind turbine; recurrent Chebyshev neural network; discrete-type Lyapunov function; heat flux sensor; measurement; power electronics; reliability; wind turbine; overcurrent relay; wind power system; malfunction of protection relay; wind speed; coordination of protection relay; principal component analysis; hypothesis test; fault detection; sensor selection; FAST; wind power; vertical axis wind turbine (VAWT); permanent magnet synchronous generator (PMSG); multi-criteria decision methods; wind turbine; support structures; weighted sum method (WSM); weighted product method (WPM); technique for the order of preference by similarity to the ideal solution (TOPSIS); analytical hierarchy process (AHP); preference ranking organization method for enrichment evaluation (PROMETHEE); elimination et choix traduisant la realité (ELECTRE); stochastic inputs; dynamic analysis; pore pressure; seabed soils; offshore wind farm; jacket foundation; offshore foundation; mathematical model; boundary integral; damping in viscoelastic media; resonance; wind turbine; multi-rotor; load; power; coherence; wind turbine wakes; Reynolds stress model; actuator disc; anisotropic turbulence; BEM; wind turbine; pitch control; feedback linearization; two degree-of-freedom (2-DOF) motion controller; induction generator; wind power generation system; vertical axis; off grid; slip frequency control; segmented current-limiting control; wind turbine; wind energy; fuzzy logic; decision-making; fuzzy arithmetic mean operator; short-term outage model; prediction model; supervisory control and data acquisition (SCADA) data; wind turbine (WT); roof-top; small wind turbine (SWT); wind condition; horizontal aspect ratio; wind direction; large-eddy simulation (LES); aerodynamic optimization; design tip speed ratio (TSR); maximum power point tracking (MPPT); inverse design; variable-speed wind turbine (VSWT); high pressure torsion (HPT); microstructure; mechanical properties; white etching area (WEA); wind farm wake; fog; wake modelling; meteorological conditions; maximum power point tracking (MPPT); optimization; wake effect; wind power generation; wind farms; wind farm; electric losses; Weibull distribution; graph theory; power system analysis; DC load flow; reliability; casting; fatigue; analysis of covariance (ANCOVA); wind turbines; modal parameters; offshore wind turbine; drivetrain; tower modes; mode tracking; wind energy conversion; squirrel cage induction generator (SCIG); sliding mode control; wind turbine; FAST; reset control; pitch control; miniature wind turbine; power coefficient; thrust coefficient; torque measurement; wind tunnel experiment; conditional averaging; miniature wind turbine; fatigue loads; PIV measurements; unsteady Structural loads; wake meandering; wind tunnel experiment; wind turbine wake; fault tree analysis; binary diagram decisions; wind turbines; converters; condition monitoring; maintenance management; DC microgrid; DC bus voltage; hierarchical/droop control strategy; current-sharing; power balance; wind energy; windbreak; atmospheric boundary layer; wind turbine blade; extensible blade; smart blade; distributed energy resources; low-class wind resource; wind potential; feasibility; techno-economic; South Korea; wind characteristics; wind turbine; annual energy production; stability analysis; sensitivity analysis; wake unsteadiness; wake meandering; passive control; wind turbine; tidal turbine; discontinuous Galerkin; wind energy; vertical axis wind turbine (VAWT); flow field; tip vortex; wind velocity deficit; torque coefficient; extreme loads; vertical axis wind turbine; parking; measurements; wind turbine; structural reliability; uncertainty; load effects; probabilistic design; atmospheric boundary layer (ABL); boundary-layer depth; exit region; farm wake; induction region; large-eddy simulation (LES); large finite-size wind farm; turbulence; delamination detection; macro fiber composite; wavelet transforms; non-destructive tests; neural network; guided waves; wind turbine blade; integral time scale; wake; wind turbine; wind farm; circulation control; blunt trailing edge; wind turbine airfoil; aerodynamic figure of merit; control efficiency; Coanda jet; wind turbine wake; wake deflection; velocity deficit; added turbulence intensity; ambient turbulence; thrust coefficient; yaw angle; wind turbine; condition monitoring; fault detection; principal component analysis; multivariate statistical hypothesis testing; yawed flow; wind turbine; New MEXICO; Detached-Eddy Simulation; wind turbine blade; static testing; finite element modelling; solid; shell; aerodynamics; flow measurement; surface oil flow visualization; stall cells; hysteresis; atmospheric boundary layer; wind turbines; energy capture; complex terrain; terrain-induced turbulence; LES; large-eddy simulation (LES); terrain-induced turbulence; complex terrain; wind turbine control; economic effects; Keywords: CFD; complex terrain; time-series data of actual scalar wind speed; atmospheric boundary layer; wind turbines; damage equivalent load; turbine power curve; effective power curve; estimation errors; power output fluctuations; wind energy; atmospheric boundary layer; wind turbine wake; wind energy conversion system; wind turbine; conceptual synthesis; speed increaser; counter-rotating wind rotors; counter-rotating electric generator; structural, kinematic, static analysis; wind tunnel; enlarge design; Buckingham π theorem; torque-diameter correlation; estimated power; field size; 3-D blade; stall delay; Floating Offshore Wind Turbine; TripleSpar; Simplified Low-Order Wind Turbine; Aerodynamic Platform Stabiliser; wind energy; wind turbine; loads mitigation; combined pitch and trailing edge flap control; load frequency division control algorithm; individual pitch control; trailing edge flap control; wind turbine; downwind; tower shadow; blade-element momentum; lifting line; Northern Cyprus; probability density functions; statistical modeling; wind speed characterization; offshore wind turbine; eddy current tuned mass damper; extreme winds; vibration mitigation; small scale test; prototype observation; numerical simulation; site-specific effects; turbulence intensity; wind speed-up; hub-height wind shear; power output fluctuations; wind turbines; airfoil; trailing edge thickness; aerodynamic noise; CFD; FW-H