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사이드 펄링 시스템이 적용된 소형 풍력 터빈 해석 및 검증

Analysis and Validation of a Small Capacity Wind Turbine with a Side Furling System

Journal of the Korean Society for Precision Engineering 2019;36(5):505-514.
Published online: May 1, 2019

1 강원대학교 대학원 기계융합공학과

2 강원대학교 기계의용·메카트로닉스·재료공학부

3 ㈜라은테크

1 Department of Advanced Mechanical Engineering, Graduate School, Kangwon National University

2 Division of Mechanical and Biomedical, Mechatronics, and Materials Science Engineering, Kangwon National University

3 Laeuntech Co., Ltd.

#E-mail: paek@kangwon.ac.kr, TEL: +82-33-252-6371
• Received: October 8, 2018   • Revised: November 19, 2018   • Accepted: December 6, 2018

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Development and Validation of Control Algorithm for Variable Speed Fixed Pitch Small Wind Turbine
    Donggeun Jeong, Taesu Jeon, Insu Paek, Deokjin Lim
    Energies.2023; 16(4): 2003.     CrossRef

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Analysis and Validation of a Small Capacity Wind Turbine with a Side Furling System
J. Korean Soc. Precis. Eng.. 2019;36(5):505-514.   Published online May 1, 2019
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Analysis and Validation of a Small Capacity Wind Turbine with a Side Furling System
J. Korean Soc. Precis. Eng.. 2019;36(5):505-514.   Published online May 1, 2019
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Analysis and Validation of a Small Capacity Wind Turbine with a Side Furling System
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Blade modeling
Fig. 2 Lift to drag ratio (30% from root)
Fig. 3 Lift to drag ratio (70% from root)
Fig. 4 Wind source area
Fig. 5 Aerodynamic performance of wind turbine rotor
Fig. 6 Result of steady state simulation (without furling system)
Fig. 7 Analysis of dynamic simulation values
Fig. 8 Field of performance test
Fig. 9 Analysis of field test values
Fig. 10 Comparison of field test and simulation
Fig. 11 Free body diagram of furling system14
Fig. 12 Parametric study for various offset
Fig. 13 Result of simulation for furling system (Steady-State)
Fig. 14 Result of simulation for furling system (Dynamic)
Fig. 15 Result of simulation for furling system (Steady-State)
Fig. 16 Result of simulation for furling system (Dynamic)
Fig. 17 Comparison of simulation result and test result18
Analysis and Validation of a Small Capacity Wind Turbine with a Side Furling System

Specification of wind turbine

Property Units Value
Rated electrical power kW 10
Rotor orientation, configuration - Upwind, 3blades
Rotor diameter m 7.5
Hub height m 18
Cut-In, Rated, Cut-Out wind speed m/s 4,10,15

Maximum power coefficients for various wind speeds

v [m/s] λ CPmax
6 5.8 0.4503
8 6.0 0.4628
10 6.0 0.4663
12 6.0 0.4672
14 6.0 0.4673

Torque schedule for wind turbine (RPM vs. torque)

RPM [Normalized] Torque [Normalized]
0 0
0.364 0.066
0.455 0.122
0.546 0.263
0.637 0.419
0.727 0.548
0.818 0.692
0.910 0.855
1.000 1.000

Specification of wind turbine18

Property Units Value
Rated electrical power kW 10
Rotor orientation, Configuration - Upwind, 3blades
Rotor diameter m 6
Hub height m 25
Cut-In, Rated, Cut-Out wind speed m/s 4, 13, 20
Table 1 Specification of wind turbine
Table 2 Maximum power coefficients for various wind speeds
Table 3 Torque schedule for wind turbine (RPM vs. torque)
Table 4 Specification of wind turbine18