Design and Trial of MW-Scale Wind Turbine Blade Fatigue Loading Control System

Author:

Wang Yi Chun1,Wu Jian Zhong1,Liao Gao Hua1

Affiliation:

1. Tongji University

Abstract

This study analyzed requirements of the wind turbine blade fatigue loading, and proposed a novel design method for blade fatigue loading control system. The hardware and software of the control system were designed. Frequency scanning, frequency control and amplitude tracking flow chart have been presented. A control system of the fatigue loading facility was built based on this investigation. The loading test of wind turbine blade has been completed. The data and curve acquired from the test prove that the control system could satisfy loading requirements.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference10 articles.

1. Larwood. S. and Musial W.D., Comprehensive Testing of NedWind 12 Meter Wind Turbine Blades at NREL, Proceedings 39th AIAA Aerospace Sciences Meeting, Wind Energy Symposium, Reno, Nevada, January (2000).

2. Website of RISO National Laboratory – Spakaer blade testing facility, http: /www. risoe. dk/rispubl/VEA/sparkaer/fatigue_tests. htm, accessed: October, (2003).

3. Hughes, S., Musial, W., Wind Turbine Blade Fatigue Test Plan for Enron 37B Rotor Blade, NWTC Document: NWTC-ST-EW-FAT-04-TP, (2002).

4. D.R.V. van Delft, J.L. van Leeuwen, Full-Scale Testing of Wind Turbine Rotor Blades, EWEC 1994 Conference, Thessaloniki.

5. IEC/TS 61400-23: Full-scale structure testing of rotor Blades. April, (2001).

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