Design of a 3.4MW Wind Turbine with Integrated Plasma Actuator-based Load Control. Chetan, M., Sakib, M. S., Griffith, D T., Gupta, A., & Rotea, M. A. Wind Energy - In Review, January, 2021. abstract bibtex Historically, cost reduction in wind energy has been accomplished by increasing hub heights and rotor diameters to capture more energy per turbine. However, growth in capital costs must be constrained with larger rotors to provide a lower Levelized Cost of Energy (LCOE) design solution. This reduction in LCOE is accomplished with addition of new technologies and their technical and cost-effective design integration. Capital costs grow rapidly with rotor diameter, faster than the rated power, because as rotor diameter increases, the blades get heavier and more costly. Costs rise with rotor size in other major components as well including the tower, drive-train, pitch system, etc. The growth in rotor and turbine costs with larger turbine sizes is also driven by the additional structure that must be added to withstand unsteady aerodynamic loads caused by turbulence, gusts, wind shear, misaligned yaw, upwind wakes, and the tower shadow. In this paper, we present a holistic design solution to integrate active load control using a controllable Gurney Flap. We illustrate the design solution for a land-based 3.4MW wind turbine rotor. Comparisons to a baseline reference 3.4MW wind turbine show significant load reduction (15-18\% DEL reduction for flap-wise blade root moments), rotor mass reduction (5-6\%), and LCOE reduction (3.5-5.9\%). To achieve these results a comprehensive sequential iterative co-design design procedure is introduced to integrate the controllable Gurney Flap into the turbine design, and to drive the design solution toward the best LCOE reduction solution.
@article{chetan_design_2021,
title = {Design of a 3.{4MW} {Wind} {Turbine} with {Integrated} {Plasma} {Actuator}-based {Load} {Control}},
volume = {n/a},
copyright = {© 2020 The Authors. Wind Energy published by John Wiley \& Sons Ltd},
abstract = {Historically, cost reduction in wind energy has been accomplished by increasing hub heights and rotor diameters to capture more energy per turbine. However, growth in capital costs must be constrained with larger rotors to provide a lower Levelized Cost of Energy (LCOE) design solution. This reduction in LCOE is accomplished with addition of new technologies and their technical and cost-effective design integration. Capital costs grow rapidly with rotor diameter, faster than the rated power, because as rotor diameter increases, the blades get heavier and more costly. Costs rise with rotor size in other major components as well including the tower, drive-train, pitch system, etc. The growth in rotor and turbine costs with larger turbine sizes is also driven by the additional structure that must be added to withstand unsteady aerodynamic loads caused by turbulence, gusts, wind shear, misaligned yaw, upwind wakes, and the tower shadow. In this paper, we present a holistic design solution to integrate active load control using a controllable Gurney Flap. We illustrate the design solution for a land-based 3.4MW wind turbine rotor. Comparisons to a baseline reference 3.4MW wind turbine show significant load reduction (15-18{\textbackslash}\% DEL reduction for flap-wise blade root moments), rotor mass reduction (5-6{\textbackslash}\%), and LCOE reduction (3.5-5.9{\textbackslash}\%). To achieve these results a comprehensive sequential iterative co-design design procedure is introduced to integrate the controllable Gurney Flap into the turbine design, and to drive the design solution toward the best LCOE reduction solution.},
language = {en},
number = {n/a},
journal = {Wind Energy - In Review},
author = {Chetan, Mayank and Sakib, Mohammad Sadman and Griffith, D Todd and Gupta, Abhineet and Rotea, Mario A.},
month = jan,
year = {2021},
keywords = {downwind, extreme-scale wind turbines, gravo-aeroelastic scaling, ground test},
}
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Capital costs grow rapidly with rotor diameter, faster than the rated power, because as rotor diameter increases, the blades get heavier and more costly. Costs rise with rotor size in other major components as well including the tower, drive-train, pitch system, etc. The growth in rotor and turbine costs with larger turbine sizes is also driven by the additional structure that must be added to withstand unsteady aerodynamic loads caused by turbulence, gusts, wind shear, misaligned yaw, upwind wakes, and the tower shadow. In this paper, we present a holistic design solution to integrate active load control using a controllable Gurney Flap. We illustrate the design solution for a land-based 3.4MW wind turbine rotor. Comparisons to a baseline reference 3.4MW wind turbine show significant load reduction (15-18\\% DEL reduction for flap-wise blade root moments), rotor mass reduction (5-6\\%), and LCOE reduction (3.5-5.9\\%). 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Wind Energy published by John Wiley \\& Sons Ltd},\n\tabstract = {Historically, cost reduction in wind energy has been accomplished by increasing hub heights and rotor diameters to capture more energy per turbine. However, growth in capital costs must be constrained with larger rotors to provide a lower Levelized Cost of Energy (LCOE) design solution. This reduction in LCOE is accomplished with addition of new technologies and their technical and cost-effective design integration. Capital costs grow rapidly with rotor diameter, faster than the rated power, because as rotor diameter increases, the blades get heavier and more costly. Costs rise with rotor size in other major components as well including the tower, drive-train, pitch system, etc. The growth in rotor and turbine costs with larger turbine sizes is also driven by the additional structure that must be added to withstand unsteady aerodynamic loads caused by turbulence, gusts, wind shear, misaligned yaw, upwind wakes, and the tower shadow. In this paper, we present a holistic design solution to integrate active load control using a controllable Gurney Flap. We illustrate the design solution for a land-based 3.4MW wind turbine rotor. Comparisons to a baseline reference 3.4MW wind turbine show significant load reduction (15-18{\\textbackslash}\\% DEL reduction for flap-wise blade root moments), rotor mass reduction (5-6{\\textbackslash}\\%), and LCOE reduction (3.5-5.9{\\textbackslash}\\%). 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