Design and Test of a Vertical-Axis Wind Turbine with Pitch Control

Author:

Miau J.J.1,Liang S.Y.2,Yu R.M.2,Hu C.C.3,Leu T.S.2,Cheng J.C.4,Chen S.J.5

Affiliation:

1. National Cheng-Kung University

2. National Cheng Kung University

3. Kao Yuan University

4. National Formosa University

5. Temple University

Abstract

The concept of pitch control has been implemented in the design of a small vertical-axis wind turbine. Benefits gained can be shown by the experimental and numerical results presented in this paper. As found, the method of variable pitch control outperforms the one of fixed pitch control. The present results show that the former can make remarkable improvement on the starting torque as well as the aerodynamic characteristics at low tip speed ratios.

Publisher

Trans Tech Publications, Ltd.

Reference8 articles.

1. M. Islam, D. S. K. Ting, and A. Fartaj, Aerodynamic Models for Darrieus-Type Straight-Bladed Vertical Axis Wind Turbines, Renewable & Sustainable Energy Reviews, Vol. 12, No. 4, pp.1087-1109. (2008).

2. N. Fujisawa, and M. Takeuchi, Flow Visualization and PIV measurements of Flow Field around a Darrieus Rotor in Dynamic Stall, Journal of Visualization, Vol. 1, No. 4, pp.379-386. (1999).

3. L. Lazauskas, Three pitch control System for vertical axis wind turbines compared, Wind Engineering, Vol. 16, No. 5, pp.269-282. (1992).

4. I. Paraschivoiu, O. Trifu, and F. Saeed, H-Darrieus Wind turbine with blade pitch control, International Journal of Rotating Machinery, Vol. 2009, Article ID 505343, 7 pages. (2009).

5. I. S. Hwang, S. Y. Min, I. O. Jeong, Y. H. Lee and S. J. Kim, Efficiency improvement of a new vertical axis wind turbine by individual active control of blade motion, Proc. SPIE 6173, 617311. (2006); http: /dx. doi. org/10. 1117/12. 658935.

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